0.24.1

.envrc

@@ -1 +1,5 @@
+if [ -f .envrc.local ]; then
+  source_env .envrc.local
+fi
+
 use flake

.hbs2-git/.gitignore

@@ -0,0 +1 @@
+./state.db

.hbs2-git/manifest

@@ -0,0 +1,5 @@
+title: "hbs2 project repo"
+author: "Dmitry Zuikov"
+public: yes
+
+Project description TBD

Makefile

@@ -8,13 +8,13 @@ MAKEFLAGS += --no-builtin-rules
 GHC_VERSION := 9.4.8
 BIN_DIR := ./bin
 BINS := \
-  hbs2              \
+  hbs2               \
-  hbs2-peer         \
+  hbs2-peer          \
-  hbs2-reposync     \
+  hbs2-keyman        \
-  hbs2-keyman       \
+	hbs2-fixer         \
-	hbs2-git-reposync \
+	hbs2-git-subscribe \
-  git-remote-hbs2   \
+  git-remote-hbs2    \
-  git-hbs2          \
+  git-hbs2           \
 
 ifeq ($(origin .RECIPEPREFIX), undefined)
   $(error This Make does not support .RECIPEPREFIX. Please use GNU Make 4.0 or later)

README.md

@@ -1,3 +1,37 @@
+-   [ABOUT](#about){#toc-about}
+    -   [Status update
+        2024-03-20](#status-update-2024-03-20){#toc-status-update-2024-03-20}
+    -   [Status update
+        2024-03-17](#status-update-2024-03-17){#toc-status-update-2024-03-17}
+    -   [What is it](#what-is-it){#toc-what-is-it}
+    -   [Current status](#current-status){#toc-current-status}
+-   [HOWTO](#howto){#toc-howto}
+    -   [How to install](#how-to-install){#toc-how-to-install}
+    -   [How to generate peer's
+        key?](#how-to-generate-peers-key){#toc-how-to-generate-peers-key}
+    -   [How to run
+        hbs2-peer](#how-to-run-hbs2-peer){#toc-how-to-run-hbs2-peer}
+    -   [How to configure
+        hbs2-peer](#how-to-configure-hbs2-peer){#toc-how-to-configure-hbs2-peer}
+    -   [How to create a new own
+        repo](#how-to-create-a-new-own-repo){#toc-how-to-create-a-new-own-repo}
+    -   [How to launch a
+        peer](#how-to-launch-a-peer){#toc-how-to-launch-a-peer}
+    -   [How to save an encrypted file
+        (TBD)](#how-to-save-an-encrypted-file-tbd){#toc-how-to-save-an-encrypted-file-tbd}
+-   [FAQ](#faq){#toc-faq}
+    -   [Why DVCS are not actually
+        distributed](#why-dvcs-are-not-actually-distributed){#toc-why-dvcs-are-not-actually-distributed}
+    -   [Okay, if centralized services are bad, why are you
+        here?](#okay-if-centralized-services-are-bad-why-are-you-here){#toc-okay-if-centralized-services-are-bad-why-are-you-here}
+    -   [What platforms are supported
+        yet?](#what-platforms-are-supported-yet){#toc-what-platforms-are-supported-yet}
+    -   [What is a "reflog"](#what-is-a-reflog){#toc-what-is-a-reflog}
+    -   [What is the fixme?](#what-is-the-fixme){#toc-what-is-the-fixme}
+-   [Contact](#contact){#toc-contact}
+-   [Download](#download){#toc-download}
+-   [Support](#support){#toc-support}
+
 -   [ABOUT](#about)
     -   [What is it](#what-is-it)
     -   [Current status](#current-status)
@@ -34,6 +68,15 @@ This solution facilitates decentralized P2P git repository
 synchronization with automatic peer discovery, requiring no server or
 service.
 
+## Status update 2024-03-20
+
+hbs2-git 0.24.1 is in master. Status =\> beta. Old hbs2-git is
+discontinued. Use the new one.
+
+Data structures are incompatible between the old and the new versions,
+however, migrations is safe and all references remains the same (merely
+the type of the references are changed).
+
 ## Status update 2024-03-17
 
 We have been using hbs2 and hbs2-git for approximately 13 months.
@@ -171,7 +214,6 @@ Typically hbs2-peer config is located at
 
 \$HOME/.config/hbs2-peer/config
 
-
     ; ip/port to for UDP
     listen "0.0.0.0:7351"
 

docs/papers/Makefile

@@ -1,15 +1,33 @@
-all: hbs2-git-problem hbs2-git-new-repo
+REV:=$(shell git rev-parse --short HEAD)
+
+define make_target
+$(basename $(1))-$(REV)$(suffix $(1))
+endef
+
+
+all: hbs2-git-problem hbs2-git-new-repo hbs2-git-doc
 
 .PHONY: all clean
 
 %.pdf: %.tex
 	xelatex $<
 	xelatex $<
+	cp $@ $(call make_target,$@)
 
 hbs2-git-problem: hbs2-git-problem.pdf
 
 hbs2-git-new-repo: hbs2-git-new-repo.pdf
 
+hbs2-git-doc: hbs2-git-doc-0.24.1.pdf
+
+publish-hbs2-git-doc: hbs2-git-doc-0.24.1.pdf
+	$(eval TARGET := $(call make_target,$<))
+	$(eval HASH := $(shell hbs2 metadata create --hash --auto $(TARGET)))
+	@echo Updating $(HBS2GITDOCLWW) $(HASH)
+	hbs2-peer lwwref update -v $(HASH) $(HBS2GITDOCLWW)
+
+publish: publish-hbs2-git-doc
+
 clean:
 	rm -f *.aux *.log *.nav *.out *.snm *.vrb *.toc *.pdf
 

docs/todo/rpc-slow.txt

@@ -0,0 +1,5 @@
+FIXME: git-fetch-push-slow
+  Кажется, тормозит за счёт сканирования меркл-деревьев на предмет
+  missed blocks.
+
+  Надо бы сделать какой-то кэш/фильтры для ускорения вопроса.

flake.nix

@@ -33,10 +33,10 @@ outputs = { self, nixpkgs, haskell-flake-utils, ... }@inputs:
      "hbs2-core"
      "hbs2-storage-simple"
      "hbs2-git"
-     "hbs2-git-reposync"
      "hbs2-qblf"
      "hbs2-keyman"
      "hbs2-share"
+     "hbs2-fixer"
     ];
   in
  haskell-flake-utils.lib.simpleCabalProject2flake {
@@ -52,15 +52,15 @@ outputs = { self, nixpkgs, haskell-flake-utils, ... }@inputs:
    inherit packageNames;
 
    packageDirs = {
-     "hbs2" = "./hbs2";
+     "hbs2"        = "./hbs2";
-     "hbs2-tests" = "./hbs2-tests";
+     "hbs2-tests"  = "./hbs2-tests";
-     "hbs2-core" = "./hbs2-core";
+     "hbs2-core"   = "./hbs2-core";
      "hbs2-storage-simple" = "./hbs2-storage-simple";
-     "hbs2-peer" = "./hbs2-peer";
+     "hbs2-peer"   = "./hbs2-peer";
      "hbs2-keyman" = "./hbs2-keyman";
      "hbs2-share"  = "./hbs2-share";
      "hbs2-git"    = "./hbs2-git";
-     "hbs2-git-reposync"   = "./hbs2-git-reposync";
+     "hbs2-fixer"  = "./hbs2-fixer";
    };
 
    hpPreOverrides = {pkgs, ...}: final: prev: with pkgs; {
@@ -101,6 +101,7 @@ outputs = { self, nixpkgs, haskell-flake-utils, ... }@inputs:
             hoogle
             htags
             text-icu
+            magic
             pkgs.icu72
             pkgs.openssl
             weeder
@@ -117,8 +118,6 @@ outputs = { self, nixpkgs, haskell-flake-utils, ... }@inputs:
         '';
 
       };
-
  };
 
-
 }

hbs2-core/hbs2-core.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-core
-version:            0.1.1.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause

hbs2-core/lib/HBS2/Actors/Peer.hs

@@ -405,7 +405,7 @@ runPeerM :: forall e m . ( MonadIO m
 runPeerM env f  = do
 
   let de = view envDeferred env
-  as <- liftIO $ replicateM 8 $ async $ runPipeline de
+  as <- liftIO $ replicateM 16 $ async $ runPipeline de
 
   sw <- liftIO $ async $ forever $ withPeerM env $ do
           pause defSweepTimeout

hbs2-core/lib/HBS2/Base58.hs

@@ -1,14 +1,23 @@
 module HBS2.Base58 where
 
 import Data.ByteString.Base58 (encodeBase58, bitcoinAlphabet, decodeBase58,Alphabet(..))
+import Data.ByteString  qualified as BS
 import Data.ByteString.Char8 qualified as BS8
 import Data.ByteString.Char8 (ByteString)
-import Data.ByteString.Lazy.Char8 qualified as LBS
+import Data.ByteString.Lazy.Char8 qualified as LBS8
+import Data.ByteString.Lazy qualified as LBS
+import Data.Word
+import Data.Char (ord)
+import Numeric
 
 import Prettyprinter
 
 newtype AsBase58 a = AsBase58 { unAsBase58 :: a }
 
+newtype AsHex a = AsHex { unAsHex :: a }
+
+newtype AsHexSparse a = AsHexSparse { unAsHexSparse :: a }
+
 alphabet :: Alphabet
 alphabet = bitcoinAlphabet
 
@@ -32,3 +41,29 @@ instance Pretty (AsBase58 LBS.ByteString) where
 instance Show (AsBase58 ByteString) where
   show (AsBase58 bs) = BS8.unpack $ toBase58 bs
 
+
+byteToHex :: Word8 -> String
+byteToHex byte = pad $ showHex byte ""
+  where pad s = if length s < 2 then '0':s else s
+
+byteStringToHex :: BS.ByteString -> String
+byteStringToHex bs = concatMap (byteToHex . fromIntegral) (BS.unpack bs)
+
+instance Pretty (AsHexSparse ByteString) where
+  pretty (AsHexSparse bs) = pretty $ unwords $ byteToHex <$> BS.unpack bs
+
+instance Pretty (AsHexSparse LBS.ByteString) where
+  pretty (AsHexSparse bs) = pretty $ unwords $ byteToHex <$> LBS.unpack bs
+
+instance Pretty (AsHex ByteString) where
+  pretty (AsHex bs) = pretty $ byteStringToHex bs
+
+instance Pretty (AsHex LBS.ByteString) where
+  pretty (AsHex bs) = pretty $ byteStringToHex (LBS.toStrict bs)
+
+instance Show (AsHex ByteString) where
+  show (AsHex bs) = byteStringToHex bs
+
+instance Show (AsHex LBS.ByteString) where
+  show (AsHex bs) = byteStringToHex (LBS.toStrict bs)
+

hbs2-core/lib/HBS2/Net/Auth/Schema.hs

@@ -1,6 +1,9 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# Language UndecidableInstances #-}
-module HBS2.Net.Auth.Schema where
+module HBS2.Net.Auth.Schema
+  ( module HBS2.Net.Auth.Schema
+  , module HBS2.Net.Proto.Types
+  ) where
 
 import HBS2.Prelude
 import HBS2.OrDie

hbs2-core/lib/HBS2/Prelude.hs

@@ -23,6 +23,7 @@ module HBS2.Prelude
   , Text.Text
   , (&), (<&>), for_, for
   , HasErrorStatus(..), ErrorStatus(..), SomeError(..), WithSomeError(..), mayE, someE
+  , ByFirst(..)
   ) where
 
 import HBS2.Clock
@@ -153,5 +154,14 @@ asyncLinked m = do
   pure l
 
 
+data ByFirst a b = ByFirst a b
+
+instance Eq a => Eq (ByFirst a b) where
+  (==) (ByFirst a _) (ByFirst b _) = a == b
+
+instance Hashable a => Hashable (ByFirst a b) where
+  hashWithSalt s (ByFirst a _) = hashWithSalt s a
+
+
 -- asyncLinked :: forall m . MonadUnliftIO m =>
 

hbs2-core/lib/HBS2/System/Dir.hs

@@ -7,9 +7,11 @@ module HBS2.System.Dir
 
 import System.FilePath
 import System.FilePattern
-import System.Directory as D
+import System.Directory qualified as D
-import UnliftIO hiding (try)
+import Data.ByteString.Lazy qualified as LBS
-
+import UnliftIO
+import Control.Exception qualified as E
+import Control.Monad
 
 data MkDirOpt = MkDirOptNone
 
@@ -27,7 +29,32 @@ instance ToFilePath FilePath where
 
 mkdir :: (MonadIO m, ToFilePath a) => a -> m ()
 mkdir a = do
-  liftIO $ createDirectoryIfMissing True (toFilePath a)
+  void $ liftIO $ E.try @SomeException (D.createDirectoryIfMissing True (toFilePath a))
+
+data TouchOpt = TouchEasy | TouchHard
+                 deriving stock (Eq,Ord,Show)
+
+class ToFilePath a => HasTouchOpts a where
+  touchOpts :: a -> [TouchOpt]
+
+instance HasTouchOpts FilePath where
+  touchOpts = const [TouchEasy]
+
+touch :: (MonadIO m, HasTouchOpts a) => a -> m ()
+touch what = do
+  here <- doesPathExist fn
+  dir  <- doesDirectoryExist fn
+
+  when (not here || hard) do
+    mkdir (takeDirectory fn)
+    liftIO $ print (takeDirectory fn)
+    unless dir do
+      liftIO $ print fn
+      liftIO $ LBS.appendFile fn mempty
+
+  where
+    hard = TouchHard `elem` touchOpts  what
+    fn = toFilePath what
 
 pwd :: MonadIO m => m FilePath
 pwd = liftIO D.getCurrentDirectory

hbs2-fixer/app/Main.hs

@@ -0,0 +1,705 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE PatternSynonyms #-}
+{-# LANGUAGE ViewPatterns #-}
+{-# LANGUAGE UndecidableInstances #-}
+module Main where
+
+import HBS2.Prelude.Plated
+import HBS2.Actors.Peer
+import HBS2.Base58
+import HBS2.OrDie
+import HBS2.Hash
+import HBS2.Data.Types.Refs
+import HBS2.Net.Auth.Credentials
+import HBS2.Polling
+import HBS2.Misc.PrettyStuff
+import HBS2.System.Dir
+import HBS2.System.Logger.Simple.ANSI hiding (info)
+import HBS2.Net.Messaging.Unix
+
+import HBS2.Git.Data.LWWBlock
+
+import HBS2.Net.Proto.Notify
+import HBS2.Net.Proto.Service
+import HBS2.Peer.Notify
+import HBS2.Peer.RPC.API.Peer
+import HBS2.Peer.RPC.API.RefLog
+import HBS2.Peer.RPC.API.LWWRef
+import HBS2.Peer.RPC.API.Storage
+import HBS2.Peer.RPC.Client.StorageClient
+
+import HBS2.Peer.CLI.Detect
+import HBS2.Peer.Proto.RefLog
+
+import Data.Config.Suckless
+
+import Data.Time.Clock
+import Data.Coerce
+import Control.Monad.Reader
+import Lens.Micro.Platform
+import System.Directory
+import Options.Applicative
+import Data.Maybe
+import Data.Either
+import Data.HashMap.Strict (HashMap)
+import Data.HashMap.Strict qualified as HM
+import Control.Monad.Trans.Cont
+import Control.Monad.Trans.Maybe
+import Data.ByteString.Lazy.Char8 qualified as LBS
+import Data.Text qualified as Text
+import Data.Hashable
+import Control.Exception qualified as E
+import System.Process.Typed
+import System.Environment qualified as Env
+import System.Exit qualified as Exit
+import Data.Cache qualified as Cache
+import Data.Cache (Cache)
+
+{- HLINT ignore "Functor law" -}
+
+
+type Config = [Syntax C]
+
+
+type RLWW = LWWRefKey HBS2Basic
+type RRefLog = RefLogKey HBS2Basic
+
+newtype Watcher =
+  Watcher [Syntax C]
+  deriving newtype (Semigroup,Monoid)
+
+data Ref =
+    RefRefLog RRefLog
+  | RefLWW    RLWW
+  deriving stock (Eq,Generic)
+
+instance Pretty Ref where
+  pretty (RefRefLog r) = parens $ "reflog" <+> dquotes (pretty r)
+  pretty (RefLWW r)    = parens $ "lwwref" <+> dquotes (pretty r)
+
+newtype AnyPolledRef =
+  AnyPolledRef (PubKey 'Sign HBS2Basic)
+  deriving (Eq,Generic)
+
+instance Hashable AnyPolledRef
+
+-- FIXME: move-to-suckless-conf
+deriving newtype instance Hashable Id
+
+instance Pretty AnyPolledRef where
+  pretty (AnyPolledRef r) = pretty (AsBase58 r)
+-- deriving newtype instance Pretty (PubKey 'Sign HBS2Basic) => Pretty AnyPolledRef
+
+instance FromStringMaybe AnyPolledRef where
+  fromStringMay = fmap AnyPolledRef . fromStringMay
+
+newtype PolledRef =
+  PolledRef (Ref, NominalDiffTime)
+  deriving stock (Eq,Generic)
+  deriving newtype (Pretty)
+
+instance Hashable Ref
+
+instance Hashable PolledRef where
+  hashWithSalt salt (PolledRef (r,_)) = hashWithSalt salt r
+
+data FixerEnv = FixerEnv
+  { _configFile :: Maybe FilePath
+  , _lwwAPI     :: ServiceCaller LWWRefAPI UNIX
+  , _refLogAPI  :: ServiceCaller RefLogAPI UNIX
+  , _refLogSink :: NotifySink (RefLogEvents L4Proto) UNIX
+  , _peerAPI    :: ServiceCaller PeerAPI UNIX
+  , _sto        :: AnyStorage
+  , _config     :: TVar Config
+  , _configPoll :: TVar Int
+  , _watchers   :: TVar (HashMap PolledRef Watcher)
+  , _listeners  :: TVar (HashMap RRefLog (Async ()))
+  , _result     :: TVar (HashMap Ref (Maybe HashRef, Maybe HashRef))
+  , _runNum     :: TVar Int
+  , _locals     :: TVar (HashMap Id (Syntax C))
+  , _pipeline   :: TQueue (IO ())
+  }
+
+makeLenses ''FixerEnv
+
+
+newtype FixerM m a = FixerM { runFixerM :: ReaderT FixerEnv m a }
+  deriving newtype (Applicative, Functor, Monad, MonadIO, MonadReader FixerEnv, MonadUnliftIO)
+
+instance MonadIO m => HasConf (FixerM m) where
+  getConf = asks _config >>= readTVarIO
+
+
+debugPrefix  = toStdout . logPrefix "[debug] "
+
+readConf :: MonadIO m => FilePath -> m [Syntax MegaParsec]
+readConf  fn = liftIO (readFile fn) <&> parseTop <&> fromRight mempty
+
+withConfig :: MonadUnliftIO m => Maybe FilePath -> FixerM m () -> FixerM m ()
+withConfig cfgPath m = do
+  defConfDir <- liftIO $ getXdgDirectory XdgConfig "hbs2-fixer"
+
+  let configPath = fromMaybe (defConfDir </> "config") cfgPath
+  unless (isJust cfgPath) do
+    debug $ pretty configPath
+    touch configPath
+
+  syn <- readConf configPath
+  tsyn <- newTVarIO syn
+
+  local (set config tsyn . set configFile (Just configPath)) (void m)
+
+withApp :: Maybe FilePath -> FixerM IO () -> IO ()
+withApp cfgPath action = do
+  setLogging @DEBUG debugPrefix
+  setLogging @INFO  defLog
+  setLogging @ERROR errorPrefix
+  setLogging @WARN  warnPrefix
+  setLogging @NOTICE noticePrefix
+
+  soname <- detectRPC
+              `orDie` "can't detect RPC"
+
+  flip runContT pure do
+
+    client <- lift $ race (pause @'Seconds 1) (newMessagingUnix False 1.0 soname)
+                >>= orThrowUser ("can't connect to" <+> pretty soname)
+
+    void $ ContT $ withAsync $ runMessagingUnix client
+
+    peerAPI    <- makeServiceCaller @PeerAPI (fromString soname)
+    refLogAPI  <- makeServiceCaller @RefLogAPI (fromString soname)
+    storageAPI <- makeServiceCaller @StorageAPI (fromString soname)
+    lwwAPI     <- makeServiceCaller @LWWRefAPI (fromString soname)
+
+    let endpoints = [ Endpoint @UNIX  peerAPI
+                    , Endpoint @UNIX  refLogAPI
+                    , Endpoint @UNIX  lwwAPI
+                    , Endpoint @UNIX  storageAPI
+                    ]
+
+    void $ ContT $ withAsync $ liftIO $ runReaderT (runServiceClientMulti endpoints) client
+
+    let o = [MUWatchdog 20, MUDontRetry]
+    clientN <- newMessagingUnixOpts o False 1.0 soname
+
+    void $ ContT $ withAsync $ runMessagingUnix clientN
+
+    sink <- newNotifySink
+
+    void $ ContT $ withAsync $ flip runReaderT clientN $ do
+              debug $ red "notify restarted!"
+              runNotifyWorkerClient sink
+
+    void  $ ContT $ withAsync $ flip runReaderT clientN $ do
+        runProto @UNIX
+          [ makeResponse (makeNotifyClient @(RefLogEvents L4Proto) sink)
+          ]
+
+    env <- FixerEnv Nothing
+                    lwwAPI
+                    refLogAPI
+                    sink
+                    peerAPI
+                    (AnyStorage (StorageClient storageAPI))
+             <$> newTVarIO mempty
+             <*> newTVarIO 30
+             <*> newTVarIO mempty
+             <*> newTVarIO mempty
+             <*> newTVarIO mempty
+             <*> newTVarIO 0
+             <*> newTVarIO mempty
+             <*> newTQueueIO
+
+    lift $ runReaderT (runFixerM $ withConfig cfgPath action) env
+      `finally` do
+         setLoggingOff @DEBUG
+         setLoggingOff @INFO
+         setLoggingOff @ERROR
+         setLoggingOff @WARN
+         setLoggingOff @NOTICE
+
+  where
+    errorPrefix  = toStdout . logPrefix "[error] "
+    warnPrefix   = toStdout . logPrefix "[warn] "
+    noticePrefix = toStdout
+
+
+data ConfWatch =
+    ConfWatch
+  | ConfRead
+  | ConfUpdate [Syntax C]
+
+mainLoop :: FixerM IO ()
+mainLoop = forever $ do
+  debug "hbs2-fixer. do stuff since 2024"
+  conf <- getConf
+  -- debug $ line <> vcat (fmap pretty conf)
+
+  flip runContT pure do
+
+    lift $ updateFromConfig conf
+
+    void $ ContT $ withAsync $ do
+            cfg <- asks _configFile `orDie` "config file not specified"
+
+            flip fix ConfRead $ \next -> \case
+              ConfRead -> do
+                debug $ yellow "read config" <+> pretty cfg
+                newConf <- readConf cfg
+                oldConf <- getConf
+
+                let a = hashObject @HbSync (LBS.pack $ show $ pretty newConf)
+                let b = hashObject @HbSync (LBS.pack $ show $ pretty oldConf)
+
+                let changed = a /= b
+
+                if not changed then
+                  next ConfWatch
+                else
+                  next (ConfUpdate newConf)
+
+              ConfUpdate new -> do
+                debug $ yellow "read config / update state"
+                updateFromConfig new
+                next ConfWatch
+
+              ConfWatch{} -> do
+                w <- asks _configPoll >>= readTVarIO
+                pause (TimeoutSec (realToFrac w))
+                next  ConfRead
+
+    -- poll reflogs
+    void $ ContT $ withAsync do
+
+      let w = asks _watchers
+               >>= readTVarIO
+               <&> HM.toList
+               <&> \wtf -> [ (ByFirst r wa, t) | (PolledRef (r,t), wa) <- wtf ]
+
+      polling (Polling 1 1) w $ \case
+        ByFirst ref wa -> do
+          new <- getRefRpc ref
+          re <- asks _result
+          old <- readTVarIO re
+                   <&> (snd <=< HM.lookup ref)
+
+          when (new /= old) do
+            atomically $ modifyTVar re (HM.insert ref (old, new))
+            -- bindId
+            forM_ new (runWatcher wa ref)
+
+      pure ()
+
+
+    jobs <- asks _pipeline
+    void $ ContT $ withAsync $ forever do
+      liftIO $ E.try @SomeException (join $ atomically $ readTQueue jobs)
+        >>= \case
+          Left e -> err (viaShow e)
+          _ -> pure ()
+
+    forever $ pause @'Seconds 60
+
+oneSec :: MonadUnliftIO m => m b -> m (Either () b)
+oneSec = race (pause @'Seconds 1)
+
+
+fromStrLitMay :: forall s c . FromStringMaybe s => Syntax c -> Maybe s
+fromStrLitMay = \case
+  LitStrVal s -> fromStringMay (Text.unpack s)
+  _ -> Nothing
+
+pattern PTop :: forall {c}. Id -> [Syntax c] -> Syntax c
+pattern PTop ctor rest <- ListVal (SymbolVal ctor : rest)
+
+pattern PPolledRef :: forall {c}. Id -> AnyPolledRef  -> Syntax c
+pattern PPolledRef t r <- ListVal [ SymbolVal t, fromStrLitMay @AnyPolledRef -> Just r ]
+
+pattern PWatchRef :: forall {c}. Integer -> Id -> AnyPolledRef -> [Syntax c] -> [Syntax c]
+pattern PWatchRef n t r w    <- (LitIntVal n : PPolledRef t r : w)
+
+pattern PListenRef :: forall {c}. Id -> AnyPolledRef -> [Syntax c] -> [Syntax c]
+pattern PListenRef t r w <- (PPolledRef t r : w)
+
+-- pattern PDisplay :: Syntax c
+pattern PDisplay :: forall {c}. Syntax c -> Syntax c
+pattern PDisplay w  <- ListVal [ SymbolVal "display", w ]
+
+pattern PApply :: Id -> [Syntax C] -> Syntax C
+pattern PApply f a <- ListVal ( SymbolVal f : a )
+
+fetchRef :: forall m . MonadIO m => Ref -> FixerM m ()
+fetchRef r = do
+    case r of
+      RefRefLog ref -> do
+        api <- asks _refLogAPI
+        void $ liftIO $ oneSec $ void $ callService @RpcRefLogFetch api (fromRefLogKey ref)
+      RefLWW ref -> do
+        api <- asks _lwwAPI
+        void $ liftIO $ oneSec $ void $ callService @RpcLWWRefFetch api ref
+
+
+getRefRpc :: forall m . MonadIO m => Ref -> FixerM m (Maybe HashRef)
+getRefRpc r = do
+    case r of
+      RefRefLog ref -> do
+        api <- asks _refLogAPI
+        liftIO (oneSec $ callService @RpcRefLogGet api (fromRefLogKey ref))
+          >>= \case
+                Right (Right x) -> pure x
+                _               -> pure Nothing
+
+      RefLWW ref -> do
+        api <- asks _lwwAPI
+        liftIO (oneSec $ callService @RpcLWWRefGet api ref) >>= \case
+          Right (Right x) -> pure (lwwValue <$> x)
+          _               -> pure Nothing
+
+subscribeRef :: forall m . MonadIO m => Integer -> Ref -> FixerM m ()
+subscribeRef n r = do
+  debug $ "subscribeRef" <+> pretty n <+> pretty r
+  let (puk,t) = case r of
+                 RefRefLog k ->  (coerce k, "reflog")
+                 RefLWW    k  -> (coerce k, "lwwref")
+
+  let minutes = fromIntegral $ max 1 (n `div` 60)
+
+  api <- asks _peerAPI
+  void $ liftIO $ oneSec $ callService @RpcPollAdd api (puk, t, minutes)
+
+asRef :: Id -> AnyPolledRef -> Maybe Ref
+asRef t r = case t of
+  "lwwref" -> Just $ RefLWW (coerce r)
+  "reflog" -> Just $ RefRefLog (coerce r)
+  _        -> Nothing
+
+
+runWatcher :: forall m . MonadUnliftIO m => Watcher -> Ref -> HashRef -> FixerM m ()
+runWatcher (Watcher code)  ref new = do
+  debug $ yellow "CHANGED" <+> pretty ref <+> pretty new
+
+  sto <- asks _sto
+
+  newCode <- flip transformBiM code $ \case
+               PApply "lwwref:get-hbs2-git-reflog" _ -> do
+                 v <- case ref of
+                        RefLWW k -> readLWWBlock sto k
+                        _ -> pure Nothing
+
+                 -- FIXME: wrappers-for-syntax-ctors
+                 let vv = maybe1 v (List (noContext @C) mempty) $
+                           \(_, LWWBlockData{..}) ->
+                             List (noContext @C) [ Symbol (noContext @C) "reflog"
+                                                 , Literal (noContext @C)
+                                                           (mkLit @Text (fromString $ show $ pretty (AsBase58 lwwRefLogPubKey)))
+                                                 ]
+                 pure vv
+
+               w -> pure w
+
+  debug (pretty newCode)
+  runConfig newCode
+
+
+
+display :: forall m . MonadUnliftIO m => Syntax C -> FixerM m ()
+display what = do
+  case what of
+    LitStrVal s -> notice (pretty s)
+    ast         -> notice (pretty ast)
+
+nil :: Syntax C
+nil = List (noContext @C) []
+
+list_ :: [Syntax C] -> Syntax C
+list_ = List (noContext @C)
+
+symbol_ :: Id -> Syntax C
+symbol_ = Symbol (noContext @C)
+
+str_ :: Text -> Syntax C
+str_ s = Literal (noContext @C) (LitStr s)
+
+int_ :: Integer -> Syntax C
+int_ s = Literal (noContext @C) (LitInt s)
+
+bool_ :: Bool -> Syntax C
+bool_ s = Literal (noContext @C) (LitBool s)
+
+-- FIXME: to-suckless-conf
+class AsString s where
+  asString :: s -> String
+
+instance AsString Literal where
+  asString (LitStr s) = Text.unpack s
+  asString other = show $ pretty other
+
+instance AsString (Syntax c) where
+  asString (Literal _ x) = asString x
+  asString x = show $ pretty x
+
+data RunOpts =
+  RunCWD FilePath
+
+instance Pretty RunOpts where
+  pretty = \case
+    RunCWD f -> parens ("cwd" <+> pretty f)
+
+eval :: forall m . MonadUnliftIO m => Syntax C -> FixerM m (Syntax C)
+eval = eval'
+  -- debug $ "EVAL" <+> pretty syn <+> pretty r
+  -- pure r
+
+eval' :: forall m . MonadUnliftIO m => Syntax C -> FixerM m (Syntax C)
+eval' syn = do
+
+  case syn  of
+
+    x@(Literal{}) -> pure x
+
+    (SymbolVal n) -> lookupLocal n
+
+    w@(PApply "list" code') -> do
+      code <- mapM unquote code'
+      pure $ list_ (symbol_ "list" : code)
+
+    PApply "local" [SymbolVal n, what] -> do
+      bindLocal n =<< eval what
+      pure nil
+
+    PApply "eval" [e] -> do
+      eval e >>= \case
+        (ListVal ( SymbolVal "list" : es ) ) -> do
+           lastDef nil <$> mapM eval es
+
+        _ -> pure nil
+
+    PApply "listen" (what' : code) -> do
+      what <- eval  what'
+      case what of
+        PPolledRef "reflog" ref -> do
+          setReflogListener (coerce ref) =<< mapM unquote code
+
+        PPolledRef tp r -> do
+          warn $ yellow "not supported listener type" <+> pretty tp
+
+        _ -> pure ()
+
+      pure nil
+
+    PApply "watch" (p' : what' : watcher') -> do
+      p <- eval p'
+      what <- eval what'
+      watcher <- mapM unquote watcher'
+
+      case (p, what) of
+        (LitIntVal n, PPolledRef tp ref) -> do
+
+          let re = asRef tp ref
+
+          forM_ re (subscribeRef n)
+          void $ async (pause @'Seconds 5 >> forM_ re  fetchRef)
+
+          void $ runMaybeT do
+
+            -- FIXME: more-diagnostics
+            pref <- toMPlus $ case tp of
+                        "lwwref" -> Just $ PolledRef (RefLWW (coerce ref), fromIntegral n)
+                        "reflog" -> Just $ PolledRef (RefRefLog (coerce ref), fromIntegral n)
+                        _        -> Nothing
+
+            debug $ blue "watch" <+> pretty n <+> pretty tp <+> pretty ref
+            w <- asks _watchers
+            atomically $ modifyTVar w (HM.insert pref (Watcher watcher))
+
+        _ -> pure ()
+
+      pure nil
+
+    PApply "on-start" wtf -> do
+
+      rn <- asks _runNum
+      rnn <- atomically do
+              x <- readTVar rn
+              modifyTVar rn succ
+              pure x
+
+      when (rnn == 0) do
+        mapM_ eval wtf
+
+      pure nil
+
+    PApply fn args' -> do
+      args <- mapM eval args'
+      case fn of
+
+        "reflog" -> do
+          pure $ list_ (symbol_ "reflog" : args)
+
+        "lwwref" -> do
+          pure $ list_ (symbol_ "lwwref" : args)
+
+        "watch-config" -> do
+          case headDef (int_ 30) args of
+            LitIntVal n -> do
+              debug $ "watch-config" <+> pretty n
+              asks _configPoll >>= atomically . flip writeTVar (fromIntegral n)
+            _ -> do
+              pure ()
+
+          pure nil
+
+        "debug" -> do
+          let onOff = headDef (bool_ False) args
+          case onOff of
+            LitBoolVal True -> do
+              setLogging @DEBUG debugPrefix
+            _ -> do
+              setLoggingOff @DEBUG
+
+          pure nil
+
+        "string-append" -> do
+          pieces <- for args $ \case
+              LitStrVal s -> pure s
+              other       -> pure (Text.pack $ show $ pretty other)
+
+          pure $ str_ $ mconcat pieces
+
+        "display" -> do
+          first <- headDef nil <$> mapM eval args
+          case first of
+            LitStrVal s -> notice (pretty s)
+            ast         -> notice (pretty ast)
+
+          pure nil
+
+        "getenv" -> do
+          let name = asString $ headDef nil args
+          liftIO $ Env.lookupEnv name
+           >>= \case
+                 Nothing -> pure nil
+                 Just s  -> pure $ str_ (fromString s)
+
+        "mkdir" -> do
+          debug $ "mkdir" <+> pretty args
+          mapM_ mkdir [ Text.unpack s | (LitStrVal s) <- args ]
+          pure nil
+
+        "exit" -> do
+           case headDef (int_ 0) args of
+            LitIntVal 0 -> liftIO Exit.exitSuccess
+            LitIntVal w -> liftIO $ Exit.exitWith (ExitFailure $ fromIntegral w)
+            _           -> liftIO Exit.exitFailure
+
+           pure nil
+
+        "run" -> do
+          debug $ red "RUN-ARGS" <+> pretty args
+          (o,cargs) <- case args of
+                      (ListVal (SymbolVal "list" : SymbolVal "opts" : opts) : rest)  -> do
+                        let pairs = [ (opt, e) | ListVal [SymbolVal opt, e] <- opts ]
+                        oo <- for pairs $ \(o, e) -> (o,) <$> eval e
+                        let cwd = lastMay [ RunCWD (Text.unpack f )
+                                          | ("cwd", LitStrVal f) <- oo
+                                          ]
+                        pure (maybeToList cwd, rest)
+
+                      rest -> do
+                        pure (mempty, rest)
+
+          let what = unwords $ [Text.unpack s | LitStrVal s <- cargs]
+
+          let cwd = case headMay [ p | c@(RunCWD p) <- o ] of
+                      Just c -> setWorkingDir c
+                      _      -> id
+
+          debug $ red "RUN" <+> pretty what <+> pretty o
+
+          let job = void $ runProcess_ (shell what & cwd)
+          pip  <- asks _pipeline
+          atomically $ writeTQueue pip job
+
+          pure nil
+
+        _ -> pure nil
+
+
+    _ -> pure nil
+
+
+unquote :: forall code m . (code ~ Syntax C, MonadUnliftIO m) => code -> FixerM m code
+unquote code = flip transformBiM code $ \case
+  x@(ListVal [SymbolVal "unquoted", rest] :: Syntax C) -> do
+    eval rest
+
+  x -> pure x
+
+setReflogListener :: forall m . MonadUnliftIO m => RRefLog -> [Syntax C] -> FixerM m ()
+setReflogListener reflog code = do
+  debug $ green "setReflogListener" <+> pretty reflog <> line <> pretty code
+
+  dudes <- asks _listeners
+
+  a <- atomically do
+         x <- readTVar dudes <&> HM.lookup reflog
+         modifyTVar dudes (HM.delete reflog)
+         pure x
+
+  maybe1 a none cancel
+
+  sink <- asks _refLogSink
+
+  debug $ "subscribe to" <+> pretty reflog
+
+  new <- async do
+          cache <- liftIO $ Cache.newCache (Just (toTimeSpec (TimeoutSec 10)))
+
+          runNotifySink sink (RefLogNotifyKey reflog) $ \(RefLogUpdateNotifyData _ h) -> do
+            debug $ "Got notification" <+> pretty reflog <+> pretty h
+            here <- liftIO (Cache.lookup cache (reflog, h)) <&> isJust
+            unless here do
+              liftIO $ Cache.insert cache (reflog,h) ()
+              runConfig code
+
+  atomically $ modifyTVar dudes (HM.insert reflog new)
+
+bindLocal :: forall m . MonadUnliftIO m => Id -> Syntax C -> FixerM m ()
+bindLocal l e = do
+  -- debug $ "bindLocal" <+> pretty l
+  asks _locals >>= atomically . flip modifyTVar (HM.insert l e)
+
+lookupLocal :: forall m . MonadUnliftIO m => Id ->FixerM m (Syntax C)
+lookupLocal name = do
+  -- debug $ "lookupLocal" <+> pretty name
+  asks _locals >>= readTVarIO <&> fromMaybe nil . HM.lookup name
+
+runConfig :: forall m . MonadUnliftIO m => Config -> FixerM m ()
+runConfig conf = do
+  debug $ green "runConfig"
+  bindLocal "off" (bool_ False)
+  bindLocal "on"  (bool_ True)
+
+  mapM_ eval conf
+
+updateFromConfig :: MonadUnliftIO m => Config -> FixerM m ()
+updateFromConfig conf = do
+  asks _config >>= atomically . flip writeTVar conf
+  runConfig conf
+
+main :: IO ()
+main = do
+  runMe =<< customExecParser (prefs showHelpOnError)
+              ( info (helper <*> opts)
+                ( fullDesc
+                <> header "hbs2-fixer"
+                <> progDesc "Intermediary between hbs2-peer and external applications. Listen events / do stuff"
+                ))
+
+  where
+    opts = optional $ strOption (short 'c' <> long "config" <> metavar "FILE" <> help "Specify configuration file")
+
+    runMe opt = withApp opt mainLoop
+

hbs2-fixer/examples/fixer-config-example.scm

@@ -0,0 +1,72 @@
+;; hbs2-fixer config example
+
+(local home (getenv "HOME"))
+
+(local root (string-append home "/.local/share/hbs2-git-repos/0.24.1"))
+
+(local hbs2-repo  "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP" )
+(local hbs2-repo-path (string-append root "/" hbs2-repo))
+
+(watch-config 30)
+
+(debug off)
+
+(display (string-append "repo1" " " hbs2-repo-path))
+
+(eval (list (display "OKAY11 FROM EVAL")))
+
+(on-start
+  (display (string-append "on-start" " " "mkdir" " " hbs2-repo-path))
+
+  (mkdir hbs2-repo-path)
+
+  (run (string-append "git init --bare " hbs2-repo-path))
+  (display update-hbs2-repo)
+
+  (run (list opts (cwd hbs2-repo-path))
+       (string-append "git hbs2 import" " " hbs2-repo))
+
+  (run (list opts (cwd hbs2-repo-path))
+       (string-append "git gc" ) )
+)
+
+(watch 60 (lwwref "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP")
+  (run-config
+    (watch 300 (lwwref:get-hbs2-git-reflog)
+       (display "GIT REFLOG CHANGED BY WATCH")
+
+       (run (list opts (cwd hbs2-repo-path))
+            (string-append "git hbs2 import" " " hbs2-repo ))
+
+       (display (string-append "Updated " hbs2-repo " OK"))
+
+    )
+
+    (listen (lwwref:get-hbs2-git-reflog)
+
+       (display "GIT REFLOG CHANGED BY LISTENER")
+
+       (run (list opts (cwd hbs2-repo-path))
+            (string-append "git hbs2 import" " " hbs2-repo ))
+
+       (display (string-append "Updated " hbs2-repo " OK"))
+    )
+
+    )
+  (display (string-append "Updated " hbs2-repo))
+)
+
+; (watch 30 (lwwref "Byc3XUeSbJBXVFueumkNkVJMPHbGoUdxYEJBgzJPf8io")
+;   (run "./on-my-ref4.sh")
+; )
+
+; (watch 30 (lwwref "DTmSb3Au7apDTMctQn6yqs9GJ8mFW7YQXzgVqZpmkTtf")
+;   (run "./on-my-ref4.sh")
+; )
+
+; (watch 30 (reflog "BKtvRLispCM9UuQqHaNxu4SEUzpQNQ3PeRNknecKGPZ6")
+;   (run "./on-my-ref4.sh")
+; )
+
+; (display "JOPAKITA 111")
+

hbs2-fixer/examples/getenv.scm

@@ -0,0 +1,4 @@
+
+(display (getenv 1234))
+
+(display (getenv "HOME"))

hbs2-fixer/examples/home.scm

@@ -0,0 +1,10 @@
+
+(local home (getenv "HOME"))
+
+(local root (string-append home "/.local/share/hbs2-git-repos/0.24.1"))
+
+(local hbs2-repo  "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP" )
+(local hbs2-repo-path (string-append root "/" hbs2-repo))
+
+(display root)
+

hbs2-fixer/examples/listen.scm

@@ -0,0 +1,25 @@
+;; hbs2-fixer config example
+
+; (debug off)
+
+(watch-config 30)
+
+(local home (getenv "HOME"))
+
+(local root (string-append home "/.local/share/hbs2-git-repos/0.24.1"))
+
+(local hbs2-repo  "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP" )
+(local hbs2-repo-path (string-append root "/" hbs2-repo))
+
+
+(local myref "BKtvRLispCM9UuQqHaNxu4SEUzpQNQ3PeRNknecKGPZ6" )
+
+(listen (reflog myref)
+   (display (string-append "HELLO FROM REFLOG " (unquoted myref)))
+)
+
+(listen (lwwref myref)
+   (display "WON'T HAPPEN")
+)
+
+(display "FUUBAR!")

hbs2-fixer/examples/runeval.scm

@@ -0,0 +1,5 @@
+
+(local code (list (display "HELLO")))
+
+(eval code)
+

hbs2-fixer/examples/watch.scm

@@ -0,0 +1,4 @@
+
+(watch 30 (lwwref "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP")
+  (display "PREVED")
+)

hbs2-fixer/hbs2-fixer.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
-name:               hbs2-git-reposync
+name:               hbs2-fixer
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause
@@ -57,7 +57,7 @@ common shared-properties
                      , TemplateHaskell
 
 
-  build-depends: hbs2-core, hbs2-peer
+  build-depends: hbs2-core, hbs2-peer, hbs2-git
                , attoparsec
                , aeson
                , async
@@ -106,9 +106,9 @@ common shared-properties
                , wai-app-file-cgi
                , wai-extra
 
-executable hbs2-git-reposync
+executable hbs2-fixer
     import:           shared-properties
-    main-is:          ReposyncMain.hs
+    main-is:          Main.hs
 
     ghc-options:
         -threaded
@@ -122,14 +122,9 @@ executable hbs2-git-reposync
         base, hbs2-core, hbs2-peer
       , optparse-applicative
       , unliftio
-      , terminal-progress-bar
-      , http-types
-      , scotty
-      , wai
-      , wai-middleware-static
-      , wai-extra
 
-    hs-source-dirs:   .
+    hs-source-dirs:   app
-    default-language: Haskell2010
+    default-language: GHC2021
+
 
 

hbs2-git-reposync/LICENSE

@@ -1,30 +0,0 @@
-Copyright (c) 2023, Dmitry Zuikov
-
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-
-    * Neither the name of Dmitry Zuikov nor the names of other
-      contributors may be used to endorse or promote products derived
-      from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

hbs2-git-reposync/ReposyncMain.hs

@@ -1,463 +0,0 @@
-{-# Language TemplateHaskell #-}
-module Main where
-
-import HBS2.Prelude.Plated
-import HBS2.Net.Auth.Credentials
-import HBS2.OrDie
-import HBS2.Data.Types.Refs
-import HBS2.Actors.Peer
-import HBS2.Net.Proto.Notify
-import HBS2.Peer.Proto
-import HBS2.Peer.RPC.Client.Unix hiding (Cookie)
-import HBS2.Peer.RPC.API.RefLog
-import HBS2.Peer.Notify
-
-import HBS2.System.Logger.Simple hiding (info)
-
-import Data.Config.Suckless
-
-import Data.Char qualified as Char
-import Control.Monad.Catch (MonadThrow(..))
-import Control.Monad.Except (runExceptT,throwError)
-import Control.Monad.Cont
-import Control.Monad.Reader
-import Data.ByteString.Builder hiding (writeFile)
-import Data.ByteString.Char8 qualified as BS8
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Either
-import Data.List qualified as List
-import Data.Maybe
-import Data.Text qualified as Text
-import Lens.Micro.Platform
-import Network.Wai.Middleware.Static (staticPolicy, addBase)
-import Network.Wai.Middleware.RequestLogger (logStdoutDev)
-import Options.Applicative
-import qualified Data.Text.Encoding as TE
-import System.Directory
-import System.FilePath
-import System.Process.Typed
-import Text.InterpolatedString.Perl6 (qc)
-import Control.Concurrent.STM (flushTQueue)
-import UnliftIO
-import Web.Scotty hiding (header,next)
-
-import Network.HTTP.Types
-import Network.Wai
-
-import System.Exit qualified as Exit
-import System.IO.Unsafe (unsafePerformIO)
-
-import Streaming.Prelude qualified as S
-
--- TODO: support-encrypted-repoes
-
-die :: (MonadIO m, Show msg) => msg -> m a
-die msg = liftIO $ Exit.die [qc|{msg}|]
-
-data RepoInitException = RepoInitException FilePath deriving (Show, Typeable)
-instance Exception RepoInitException
-
-debugPrefix :: SetLoggerEntry
-debugPrefix  = toStdout . logPrefix "[debug] "
-
-errorPrefix :: SetLoggerEntry
-errorPrefix  = toStdout . logPrefix "[error] "
-
-warnPrefix :: SetLoggerEntry
-warnPrefix  = toStdout . logPrefix "[warn] "
-
-noticePrefix :: SetLoggerEntry
-noticePrefix  = toStdout . logPrefix "[notice] "
-
-data ReposyncRootKey
-data ReposyncHttpPort
-
-instance Monad m => HasCfgKey ReposyncRootKey (Maybe String) m where
-  key = "root"
-
-instance Monad m => HasCfgKey ReposyncHttpPort (Maybe Int) m where
-  key = "http-port"
-
-data RepoEntry =
-  RepoEntry
-  { repoPath :: FilePath
-  , repoRef  :: RefLogKey HBS2Basic
-  , repoKeys :: [FilePath]
-  , repoHash :: TVar (Maybe HashRef)
-  }
-  deriving stock (Eq)
-
-
-data ReposyncState =
-
-  ReposyncState
-  { _rpcSoname         :: FilePath
-  , _rpcRefLog         :: ServiceCaller RefLogAPI UNIX
-  , _rpcNotifySink     :: NotifySink (RefLogEvents L4Proto) UNIX
-  , _reposyncBaseDir   :: FilePath
-  , _reposyncPort      :: Int
-  , _reposyncEntries   :: TVar [RepoEntry]
-  }
-
-makeLenses 'ReposyncState
-
-newtype ReposyncM m a =
-  App { unReposyncM :: ReaderT ReposyncState m a }
-  deriving newtype ( Applicative
-                   , Functor
-                   , Monad
-                   , MonadIO
-                   , MonadThrow
-                   , MonadReader ReposyncState
-                   , MonadUnliftIO
-                   , MonadTrans
-                   )
-
-
-myName :: FilePath
-myName = "hbs2-git-reposync"
-
-reposyncDefaultDir :: FilePath
-reposyncDefaultDir = unsafePerformIO do
-  getXdgDirectory XdgData (myName </> "repo")
-{-# NOINLINE reposyncDefaultDir #-}
-
-newState :: MonadUnliftIO m
-         => FilePath
-         -> ServiceCaller RefLogAPI UNIX
-         -> NotifySink (RefLogEvents L4Proto) UNIX
-         -> m ReposyncState
-
-newState so refLog sink =
-  ReposyncState so refLog sink reposyncDefaultDir 4017 <$> newTVarIO mempty
-
-{- HLINT ignore "Functor law" -}
-withConfig :: forall a m . (MonadUnliftIO m) => Maybe FilePath -> ReposyncM m a -> ReposyncM m ()
-withConfig cfg m = do
-
-  let defDir  = reposyncDefaultDir
-
-  defConfDir <- liftIO $ getXdgDirectory XdgConfig myName
-
-  realCfg <- case cfg of
-             Just f -> pure f
-             Nothing -> do
-                liftIO do
-                  let conf = defConfDir </> "config"
-                  void $ try @_ @IOException $ createDirectoryIfMissing True defConfDir
-                  debug $ "config-dir" <+> pretty defConfDir
-                  void $ try @_ @IOException $ appendFile conf ""
-                  pure conf
-
-  syn <- liftIO (readFile realCfg) <&> parseTop
-                                   <&> fromRight mempty
-
-  debug $ "config" <+> pretty realCfg <> line <> pretty syn
-
-  ev <- asks (view reposyncEntries)
-
-  let root = runReader (cfgValue @ReposyncRootKey) syn
-              & fromMaybe defDir
-
-  let port = runReader (cfgValue @ReposyncHttpPort) syn
-              & fromMaybe 4017
-
-  es <- entries root syn
-  atomically $ modifyTVar ev (\x -> List.nub ( x <> es))
-
-  local ( set reposyncBaseDir root .
-          set reposyncPort port
-        ) (void m)
-
-  where
-    entries root syn = do
-
-      let findKeys w = [ Text.unpack p
-                       | ListVal (Key "decrypt" [LitStrVal p]) <- w
-                       ]
-
-      let reflogs = catMaybes [ (,) <$> fromStringMay @(RefLogKey HBS2Basic) (Text.unpack o)
-                                    <*> pure (findKeys args)
-                              | ListVal (Key "reflog" (LitStrVal o : args)) <- syn
-                              ]
-
-      forM reflogs $ \(repo, keys) -> do
-        let path = show $ pretty repo
-        mt <- newTVarIO Nothing
-        pure $ RepoEntry (root </> path) repo keys mt
-
-
-
-
-runSync :: (MonadUnliftIO m, MonadThrow m) => ReposyncM m ()
-runSync = do
-  es <- asks (view reposyncEntries) >>= readTVarIO
-  so <- asks (view rpcSoname)
-
-  refLogRPC <- asks (view rpcRefLog)
-  sink      <- asks (view rpcNotifySink)
-
-  root <- asks (view reposyncBaseDir)
-  port <- asks (fromIntegral . view reposyncPort)
-
-  http <- async $ liftIO $ scotty port $ do
-              middleware $ staticPolicy (addBase root)
-              middleware logStdoutDev
-              get "/" $ do
-                text "This is hbs2-git-reposync"
-
-  r <- forM es $ \entry -> async $ void $ flip runContT pure do
-          let ref = repoRef entry
-          let rk = fromRefLogKey ref
-          tv <- newTVarIO Nothing
-
-          upd <- newTQueueIO
-
-          debug $ "STARTED WITH" <+> pretty (repoPath entry)
-
-          let notif =
-                liftIO $ async do
-                          debug $ "Subscribed" <+> pretty ref
-                          runNotifySink sink (RefLogNotifyKey ref) $ \(RefLogUpdateNotifyData _ h) -> do
-                            debug $ "Got notification" <+> pretty ref <+> pretty h
-                            atomically $ writeTQueue upd ()
-
-          void $ ContT $ bracket notif cancel
-
-          lift $ initRepo entry
-
-          lift $ syncRepo entry
-
-
-          fix \next -> do
-
-            void $ liftIO $ race (pause @'Seconds 60) (atomically (peekTQueue upd))
-            pause @'Seconds 5
-            liftIO $ atomically $ flushTQueue upd
-
-            rr' <- liftIO $ race (pause @'Seconds 1) do
-                      callService @RpcRefLogGet refLogRPC rk
-                          <&> fromRight Nothing
-
-            rr <- either (const $ pause @'Seconds 1 >> warn "rpc call timeout" >>  next) pure rr'
-
-            debug $ "REFLOG VALUE:" <+> pretty rr
-
-            r0 <- readTVarIO tv
-
-            unless ( rr == r0 ) do
-              debug $ "Syncronize repo!" <+> pretty (repoPath entry)
-              fix \again -> do
-                lift (syncRepo entry) >>= \case
-                  Left{} -> do
-                    debug $ "Failed to update:" <+> pretty (repoPath entry)
-                    pause @'Seconds 5
-                    again
-
-                  Right{} -> do
-                    atomically $ writeTVar tv rr
-
-            next
-
-  void $ waitAnyCatchCancel (http : r)
-
-data SyncError = SyncError
-
-syncRepo :: (MonadUnliftIO m, MonadThrow m) => RepoEntry -> m (Either SyncError ())
-syncRepo (RepoEntry{..}) = runExceptT do
-
-  -- let cfg = shell [qc|git fetch origin && git remote update origin|] & setWorkingDir repoPath
-  let cfg = shell [qc|git remote update origin && git remote prune origin|] & setWorkingDir repoPath
-  code <- runProcess cfg
-
-  case code of
-    ExitFailure{} -> do
-      err $ "Unable to sync repo" <+> pretty repoPath
-      throwError SyncError
-
-    _             -> debug $ "synced" <+> pretty repoPath
-
-
-  let readLocalBranches = shell [qc|git for-each-ref refs/heads|]
-                            & setWorkingDir repoPath
-
-  let readBranches = shell [qc|git ls-remote origin|]
-                       & setWorkingDir repoPath
-
-  (_, o, _) <- readProcess readBranches
-
-  let txt = TE.decodeUtf8 (LBS.toStrict o)
-
-  let ls = Text.lines txt & fmap Text.words
-
-  let refs = [ (b,a) | [a,b] <- ls ]
-
-  -- TODO: remove-only-vanished-refs
-  unless (null refs) do
-
-    (_, o, _) <- readProcess readLocalBranches
-    let out = TE.decodeUtf8 (LBS.toStrict o)
-                 & Text.lines
-                 & fmap Text.words
-
-    let refs = [ r | [_,_,r] <- out ]
-    forM_ refs $ \r -> do
-      -- debug $ "REMOVING REF" <+> pretty r
-      let cmd = shell [qc|git update-ref -d {r}|] & setWorkingDir repoPath
-      void $ runProcess cmd
-
-  forM_ refs $ \(ref, val) -> do
-    -- debug $ "SET REFERENCE" <+> pretty ref <+> pretty val
-    let updateBranch = shell [qc|git update-ref {ref} {val}|]
-                        & setWorkingDir repoPath
-                        & setStdout closed
-                        & setStderr closed
-
-    void $ readProcess updateBranch
-
-    void $ runProcess (shell "git update-server-info" & setWorkingDir repoPath)
-
-  -- let gc = shell [qc|git gc|] & setWorkingDir repoPath
-  -- void $ runProcess gc
-
-regenConfig :: MonadUnliftIO m => RepoEntry -> ReposyncM m ()
-regenConfig RepoEntry{..} = do
-
-  let hbs2conf = repoPath </> ".hbs2/config"
-  rpc <- asks (view rpcSoname)
-
-  let config = ";; generated by hbs2-reposync" <> line
-               <> "rpc" <+> "unix" <+> viaShow rpc <> line
-               <> line
-               <> vcat (fmap (("decrypt"<+>) . dquotes.pretty) repoKeys)
-
-  liftIO $ writeFile hbs2conf (show config)
-
-initRepo :: (MonadUnliftIO m, MonadThrow m) => RepoEntry -> ReposyncM m ()
-initRepo e@(RepoEntry{..}) = do
-  debug $ "initRepo" <+> pretty repoPath
-
-  let gitDir = repoPath
-  gitHere <- liftIO $ doesDirectoryExist gitDir
-
-  liftIO $ createDirectoryIfMissing True gitDir
-  debug $ "create dir" <+> pretty gitDir
-
-  let hbs2 = gitDir </> ".hbs2"
-  liftIO $ createDirectoryIfMissing True hbs2
-
-  regenConfig e
-
-  unless gitHere do
-
-    let cfg = shell [qc|git init --bare && git remote add origin hbs2://{pretty repoRef}|]
-                 & setWorkingDir repoPath
-
-    code <- runProcess cfg
-
-    case code of
-      ExitFailure{} -> do
-        err $ "Unable to init git repository:" <+> pretty gitDir
-        throwM $ RepoInitException gitDir
-
-      _ -> pure ()
-
-
-detectRPC :: (MonadUnliftIO m) => m (Maybe FilePath)
-detectRPC = do
-
-  (_, o, _) <- readProcess (shell [qc|hbs2-peer poke|])
-  let answ = parseTop (LBS.unpack o) & fromRight mempty
-
-  pure (headMay [ Text.unpack r | ListVal (Key "rpc:" [LitStrVal r]) <- answ  ])
-
-withApp :: forall a m . MonadUnliftIO m
-        => Maybe FilePath
-        -> ReposyncM m a
-        -> m ()
-
-withApp cfg m = do
-
-  setLogging @DEBUG  debugPrefix
-  setLogging @INFO   defLog
-  setLogging @ERROR  errorPrefix
-  setLogging @WARN   warnPrefix
-  setLogging @NOTICE noticePrefix
-
-  -- lrpc =
-
-  forever $ handleAny cleanup $ do
-
-    soname <- detectRPC `orDie` "RPC not found"
-
-    let o = [MUWatchdog 20, MUDontRetry]
-
-    client <- race ( pause @'Seconds 1) (newMessagingUnixOpts o False 1.0 soname)
-                `orDie` "hbs2-peer rpc timeout!"
-
-    clientN <- newMessagingUnixOpts o False 1.0 soname
-
-    rpc <- makeServiceCaller (fromString soname)
-
-    messaging <- async $ runMessagingUnix client
-
-    mnotify   <- async $ runMessagingUnix clientN
-
-    sink <- newNotifySink
-
-    wNotify <- liftIO $ async $ flip runReaderT clientN $ do
-                debug "notify restarted!"
-                runNotifyWorkerClient sink
-
-    nProto <- liftIO $ async $ flip runReaderT clientN $ do
-        runProto @UNIX
-          [ makeResponse (makeNotifyClient @(RefLogEvents L4Proto) sink)
-          ]
-
-    let endpoints = [ Endpoint @UNIX  rpc
-                    ]
-
-    c1 <- async $ liftIO $ runReaderT (runServiceClientMulti endpoints) client
-
-    state <- newState soname rpc sink
-
-    r <- async $ void $ runReaderT (unReposyncM $ withConfig cfg m) state
-
-    void $ waitAnyCatchCancel [c1, messaging, mnotify, nProto, wNotify, r]
-
-    notice "exiting"
-
-  setLoggingOff @DEBUG
-  setLoggingOff @INFO
-  setLoggingOff @ERROR
-  setLoggingOff @WARN
-  setLoggingOff @NOTICE
-
-
-  where
-    cleanup e = do
-      err (viaShow e)
-      warn "Something bad happened. Retrying..."
-      pause @'Seconds 2.5
-
-main :: IO ()
-main = runMe .  customExecParser (prefs showHelpOnError) $
-  info (helper <*> ((,) <$> opts <*> parser))
-  (  fullDesc
-  <> header "hbs2-reposync"
-  <> progDesc "syncronizes hbs2-git repositories"
-  )
-  where
-    -- parser ::  Parser (IO ())
-    parser = hsubparser (  command "run" (info pRun (progDesc "run syncronization"))
-                        )
-
-    runMe x = do
-      (o, run) <- x
-      withApp o run
-
-    opts = optional $ strOption (short 'c' <> long "config")
-
-    pRun = do
-      pure runSync
-

hbs2-git-reposync/examples/config

@@ -1,19 +0,0 @@
-
-rpc unix "/tmp/hbs2-rpc.socket"
-
-; http-port 4017
-
-; root "/home/dmz/.local/share/hbs2-reposync/repo"
-
-;; single reflog
-
-[ reflog "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP"
-;; options may go here if any
-]
-
-[ reflog  "JCVvyFfj1C21QfFkcjrFN6CoarykfAf6jLFpCNNKjP7E"
-  (decrypt "/home/dmz/w/hbs2/owner.key")
-]
-
-
-

hbs2-git/CHANGELOG.md

@@ -1,5 +0,0 @@
-# Revision history for hbs2-git
-
-## 0.1.0.0 -- YYYY-mm-dd
-
-* First version. Released on an unsuspecting world.

hbs2-git/LICENSE

@@ -1,30 +0,0 @@
-Copyright (c) 2023, Dmitry Zuikov
-
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-
-    * Neither the name of Dmitry Zuikov nor the names of other
-      contributors may be used to endorse or promote products derived
-      from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

hbs2-git/examples/config/encrypted-ref

@@ -1,18 +0,0 @@
-rpc unix "/tmp/hbs2-rpc.socket"
-
-keyring "/home/dmz/dmz-data/hbs2/HBcSZnjpEcA88S19S5QwC5N4yyKZY4SvAuBWqHQhK6wV.key"
-
-keyring "/home/dmz/w/hbs2/test1.key"
-keyring "/home/dmz/w/hbs2/test2.key"
-keyring "/home/dmz/w/hbs2/test3.key"
-keyring "/home/dmz/w/hbs2/test4.key"
-keyring "/home/dmz/w/hbs2/test5.key"
-
-[ encrypted "EDRuSaFmWbCnyUNtFbgCtqfiCrYPJvnY9pZB81AbSTbr"
-  (ttl 86400)
-  (owner "21MU19xcRbhhPakPJCG6Jyrf7Xv6JMCyMDEfCk16hR5G")
-  (member "21MU19xcRbhhPakPJCG6Jyrf7Xv6JMCyMDEfCk16hR5G")
-  (member "GcTjPEDSTCKNKnwPZWBjudeTqSie2fvYfsoSAzUKTRZ5")
-]
-
-

hbs2-git/examples/config/encrypted-ref-2

@@ -1,30 +0,0 @@
-rpc unix "/tmp/hbs2-rpc.socket"
-
-branch "master"
-branch "hbs2-git"
-
-keyring "/home/dmz/dmz-data/hbs2/BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP.key"
-keyring "/home/dmz/dmz-data/hbs2/HBcSZnjpEcA88S19S5QwC5N4yyKZY4SvAuBWqHQhK6wV.key"
-
-keyring "/home/dmz/w/hbs2/k5.key"
-
-;;keyring "/home/dmz/w/hbs2/test1.key"
-;;keyring "/home/dmz/w/hbs2/test2.key"
-;;keyring "/home/dmz/w/hbs2/test6.key"
-;; keyring "/home/dmz/w/hbs2/test3.key"
-
-decrypt "/home/dmz/w/hbs2/au11.key"
-decrypt "/home/dmz/w/hbs2/owner.key"
-decrypt "/home/dmz/w/hbs2/k5.key"
-
-[ encrypted "HFKuPTyaQLLmfgfVveu5GA4spt4c6oQBMUo1aeQ4abXG"
-  (ttl 86400)
-  (owner "21MU19xcRbhhPakPJCG6Jyrf7Xv6JMCyMDEfCk16hR5G")
-  (member "H9miZgHYg84wZM8Hu93t7iLHcKnZytAEgcB26LGbLTz4")
-  (member "2jsaezeu8iCRYBqMVBauCxnkHXvP3CkEFLeVxE8bRfvH")
-  (member "FNGD1oNh9AVXw1v7ZFpC5V2P2GGYRoUwnP6qwTw9JGpn")
-  (member "J2FWG3uib7TpZsu1k8sz8cekC3VH1ggNBhZKJxtUce4Q")
-  (member "E9WGzRzmD5G5SHbz9u7n3WKCz1eaVNPvT5f1NEKUQ6FU")
-  (keyring "/home/dmz/w/hbs2/owner.key")
-]
-

hbs2-git/git-hbs2-subscribe/Main.hs

@@ -0,0 +1,111 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE UndecidableInstances #-}
+module Main where
+
+import HBS2.Git.Client.Prelude hiding (info)
+import HBS2.Git.Client.App hiding (_progress, _storage, _peerAPI, _lwwAPI, _refLogAPI)
+import HBS2.Git.Client.Progress
+import HBS2.Git.Client.Import
+import HBS2.Git.Client.RefLog
+import HBS2.Peer.CLI.Detect
+
+import Options.Applicative
+import Data.Semigroup ((<>))
+
+main :: IO ()
+main = do
+  let parser = subscribe
+                <$> optional (strOption
+                    ( long "socket"
+                   <> short 's'
+                   <> metavar "SOCKET"
+                   <> help "Socket file path"))
+                <*> argument pLww (metavar "LWWREF")
+  join $ execParser (info (parser <**> helper)
+              ( fullDesc
+             <> progDesc "Parse command line arguments"
+             <> header "Command line arguments parsing example"))
+
+
+  where
+    pLww :: ReadM (LWWRefKey HBS2Basic)
+    pLww = maybeReader fromStringMay
+
+
+data MyStuff =
+  MyStuff
+  { _peerAPI   :: ServiceCaller PeerAPI UNIX
+  , _lwwAPI    :: ServiceCaller LWWRefAPI UNIX
+  , _refLogAPI :: ServiceCaller RefLogAPI UNIX
+  , _storage   :: AnyStorage
+  , _progress  :: AnyProgress
+  }
+
+newtype MyApp m a = MyApp {  fromMyApp :: ReaderT MyStuff m a }
+                    deriving newtype ( Functor
+                                     , Applicative
+                                     , Monad
+                                     , MonadIO
+                                     , MonadUnliftIO
+                                     , MonadThrow
+                                     , MonadReader MyStuff
+                                     )
+
+instance Monad m => HasProgressIndicator  (MyApp m) where
+  getProgressIndicator = asks _progress
+
+instance Monad m => HasStorage (MyApp m) where
+  getStorage = asks _storage
+
+instance Monad m => HasAPI PeerAPI UNIX (MyApp m) where
+  getAPI = asks _peerAPI
+
+instance Monad m => HasAPI LWWRefAPI UNIX (MyApp m) where
+  getAPI = asks _lwwAPI
+
+instance Monad m => HasAPI RefLogAPI UNIX (MyApp m) where
+  getAPI = asks _refLogAPI
+
+subscribe :: forall m . MonadUnliftIO m => Maybe String -> LWWRefKey HBS2Basic  -> m ()
+subscribe soname' ref = do
+
+  soname <- maybe1 soname' detectRPC (pure.Just) `orDie` "can't locate rpc"
+
+  flip runContT pure do
+
+    client <- lift $ race (pause @'Seconds 1) (newMessagingUnix False 1.0 soname)
+                >>= orThrowUser ("can't connect to" <+> pretty soname)
+
+    q <- lift newProgressQ
+    let ip = AnyProgress q
+
+    void $ ContT $ withAsync $ runMessagingUnix client
+    void $ ContT $ withAsync $ drawProgress q
+
+    peerAPI    <- makeServiceCaller @PeerAPI (fromString soname)
+    refLogAPI  <- makeServiceCaller @RefLogAPI (fromString soname)
+    storageAPI <- makeServiceCaller @StorageAPI (fromString soname)
+    lwwAPI     <- makeServiceCaller @LWWRefAPI (fromString soname)
+
+    let sto = AnyStorage (StorageClient storageAPI)
+
+    let endpoints = [ Endpoint @UNIX  peerAPI
+                    , Endpoint @UNIX  refLogAPI
+                    , Endpoint @UNIX  lwwAPI
+                    , Endpoint @UNIX  storageAPI
+                    ]
+
+    void $ ContT $ withAsync $ liftIO $ runReaderT (runServiceClientMulti endpoints) client
+
+    let app = MyStuff peerAPI lwwAPI refLogAPI sto ip
+
+    lift $ flip runReaderT app  $ fromMyApp do
+      merelySubscribeRepo ref
+
+      onProgress ip ImportAllDone
+
+      hFlush stdout
+      hFlush stderr
+
+  pure ()
+

hbs2-git/git-hbs2/GitRemoteMain.hs

@@ -1,267 +0,0 @@
-module Main where
-
-import HBS2.Prelude.Plated
-import HBS2.Data.Types.Refs
-import HBS2.Base58
-import HBS2.OrDie
-import HBS2.Git.Types
-
-import HBS2.System.Logger.Simple
-
-import HBS2Git.App
-import HBS2Git.State
-import HBS2Git.Import
-import HBS2Git.Evolve
-import HBS2.Git.Local.CLI
-
-import HBS2Git.Export (runExport)
-
-import HBS2Git.Config as Config
-import GitRemoteTypes
-import GitRemotePush
-
-
-import Control.Concurrent.STM
-import Control.Monad.Reader
-import Data.Attoparsec.Text hiding (try)
-import Data.Attoparsec.Text qualified as Atto
-import Data.ByteString.Char8 qualified as BS
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Foldable
-import Data.Functor
-import Data.Function ((&))
-import Data.HashMap.Strict qualified as HashMap
-import Data.Maybe
-import Data.Text qualified as Text
-import Data.List qualified as List
-import System.Environment
-import System.Posix.Signals
-import Text.InterpolatedString.Perl6 (qc)
-import UnliftIO.IO as UIO
-import Control.Monad.Catch
-import Control.Monad.Trans.Resource
-import Lens.Micro.Platform
-
-
-send :: MonadIO m => BS.ByteString -> m ()
-send = liftIO . BS.hPutStr stdout
-
-sendLn :: MonadIO m => BS.ByteString -> m ()
-sendLn s = do
-  trace $ "sendLn" <+> pretty (show s)
-  liftIO $ BS.hPutStrLn stdout s
-
-sendEol :: MonadIO m => m ()
-sendEol = liftIO $ BS.hPutStrLn stdout "" >> hFlush stdout
-
-receive :: MonadIO m => m BS.ByteString
-receive = liftIO $ BS.hGetLine stdin
-
-done :: MonadIO m => m Bool
-done = UIO.hIsEOF stdin
-
-parseRepoURL :: String -> Maybe HashRef
-parseRepoURL url' = either (const Nothing) Just (parseOnly p url)
-  where
-    url = Text.pack url'
-    p = do
-      _ <- string "hbs2://"
-      topic'  <- Atto.manyTill' anyChar endOfInput
-      let topic = BS.unpack <$> fromBase58 (BS.pack topic')
-      maybe (fail "invalid url") (pure . fromString) topic
-
-
-capabilities :: BS.ByteString
-capabilities = BS.unlines ["push","fetch"]
-
-
-getGlobalOptionFromURL :: HasGlobalOptions m => [String] -> m ()
-getGlobalOptionFromURL args = do
-
-  case args of
-    [_, ss] -> do
-      let (_, suff) = Text.breakOn "?" (Text.pack ss)
-                      & over _2 (Text.dropWhile (== '?'))
-                      & over _2 (Text.splitOn "&")
-                      & over _2 (fmap (over _2 (Text.dropWhile (=='=')) . Text.break (== '=')))
-                      & over _2 (filter (\(k,_) -> k /= ""))
-
-      forM_ suff $ \(k,v) -> do
-        addGlobalOption (Text.unpack k) (Text.unpack v)
-
-    _ -> pure ()
-
-loop :: forall m . ( MonadIO m
-                   , MonadCatch m
-                   , MonadUnliftIO m
-                   , MonadMask m
-                   , HasProgress m
-                   , HasConf m
-                   , HasStorage m
-                   , HasRPC m
-                   , HasRefCredentials m
-                   , HasEncryptionKeys m
-                   , HasGlobalOptions m
-                   ) => [String] -> m ()
-loop args = do
-
-  trace $ "args:" <+> pretty args
-
-  ref <- case args of
-            [_, ss] -> do
-              let (s, _) = Text.breakOn "?" (Text.pack ss)
-
-              let r = Text.stripPrefix "hbs2://" s <&> fromString @RepoRef . Text.unpack
-
-              pure r `orDie` [qc|bad reference {args}||]
-
-            _  -> do
-                die [qc|bad reference: {args}|]
-
-  trace $ "ref:" <+> pretty ref
-
-  dbPath <- makeDbPath ref
-
-  trace $ "dbPath:" <+> pretty dbPath
-
-  db <- dbEnv dbPath
-
-  -- TODO: hbs2-peer-fetch-reference-and-wait
-
-  checkRef <- readRef ref <&> isJust
-
-  let getHeads upd = do
-        when upd do importRefLogNew False ref
-        refsNew <- withDB db stateGetActualRefs
-        let possibleHead = listToMaybe $ List.take 1 $ List.sortOn guessHead (fmap fst refsNew)
-
-        let hd = refsNew & LBS.pack . show
-                                    . pretty
-                                    . AsGitRefsFile
-                                    . RepoHead possibleHead
-                                    . HashMap.fromList
-        pure hd
-
-
-  hd <- getHeads True
-
-  refs <- withDB db stateGetActualRefs
-
-  let heads = [ h | h@GitHash{} <- universeBi refs ]
-
-  missed <- try (mapM (gitReadObject Nothing) heads) <&> either (\(_::SomeException) -> True) (const False)
-
-  let force = missed || List.null heads
-
-  when force do
-  -- sync state first
-    traceTime "TIMING: importRefLogNew" $ importRefLogNew True ref
-
-  batch <- liftIO $ newTVarIO False
-
-  fix \next -> do
-
-    eof <- done
-
-    when eof do
-      exitFailure
-
-    s <- receive
-
-    let str = BS.unwords (BS.words s)
-    let cmd = BS.words str
-
-    isBatch <- liftIO $ readTVarIO batch
-
-    case cmd of
-      [] -> do
-        liftIO $ atomically $ writeTVar batch False
-        sendEol
-        when isBatch next
-        -- unless isBatch do
-
-      ["capabilities"] -> do
-          trace $ "send capabilities" <+> pretty (BS.unpack capabilities)
-          send capabilities >> sendEol
-          next
-
-      ["list"] -> do
-        for_ (LBS.lines hd) (sendLn . LBS.toStrict)
-        sendEol
-        next
-
-      ["list","for-push"] -> do
-        for_ (LBS.lines hd) (sendLn . LBS.toStrict)
-        sendEol
-        next
-
-      ["fetch", sha1, x] -> do
-        trace $ "fetch" <+> pretty (BS.unpack sha1) <+> pretty (BS.unpack x)
-        liftIO $ atomically $ writeTVar batch True
-        -- sendEol
-        next
-
-      ["push", rr] -> do
-        let bra = BS.split ':' rr
-        let pu = fmap (fromString' . BS.unpack) bra
-        liftIO $ atomically $ writeTVar batch True
-        -- debug $ "FUCKING PUSH" <> viaShow rr <+> pretty pu
-        -- shutUp
-        pushed <- push ref pu
-        case pushed of
-          Nothing  -> hPrint stderr "oopsie!" >> sendEol >> shutUp
-          Just re -> sendLn [qc|ok {pretty re}|]
-        next
-
-      other -> die $ show other
-
-
-    shutUp
-
-  where
-    fromString' "" = Nothing
-    fromString' x  = Just $ fromString x
-
-main :: IO ()
-main = do
-
-  hSetBuffering stdin  NoBuffering
-  hSetBuffering stdout LineBuffering
-
-  doTrace <- lookupEnv "HBS2TRACE" <&> isJust
-
-  when doTrace do
-    setLogging @DEBUG  debugPrefix
-    setLogging @TRACE  tracePrefix
-
-  setLogging @NOTICE noticePrefix
-  setLogging @ERROR  errorPrefix
-  setLogging @WARN   warnPrefix
-  setLogging @INFO   infoPrefix
-
-  args <- getArgs
-
-  void $ installHandler sigPIPE Ignore Nothing
-
-  evolve
-
-  (_, syn) <- Config.configInit
-
-  runWithRPC $ \rpc -> do
-    env <- RemoteEnv <$> liftIO (newTVarIO mempty)
-                     <*> liftIO (newTVarIO mempty)
-                     <*> liftIO (newTVarIO mempty)
-                     <*> pure rpc
-
-    runRemoteM env do
-      runWithConfig syn $ do
-        getGlobalOptionFromURL args
-        loadCredentials mempty
-        loadKeys
-        loop args
-
-  shutUp
-
-  hPutStrLn stdout ""
-  hPutStrLn stderr ""
-

hbs2-git/git-hbs2/GitRemotePush.hs

@@ -1,106 +0,0 @@
-{-# Language AllowAmbiguousTypes #-}
-module GitRemotePush where
-
-import HBS2.Prelude.Plated
-import HBS2.Data.Types.Refs
-import HBS2.OrDie
-import HBS2.System.Logger.Simple
-import HBS2.Net.Auth.Credentials hiding (getCredentials)
-
-import HBS2.Git.Local
-import HBS2.Git.Local.CLI
-
-import HBS2Git.Config as Config
-import HBS2Git.Types
-import HBS2Git.State
-import HBS2Git.App
-import HBS2Git.Export (exportRefOnly,exportRefDeleted)
-import HBS2Git.Import (importRefLogNew)
-
-import GitRemoteTypes
-
-import Control.Monad.Reader
-import Data.Functor
-import Data.Set (Set)
-import Text.InterpolatedString.Perl6 (qc)
-import Control.Monad.Catch
-import Control.Monad.Trans.Resource
-
-newtype RunWithConfig m a =
-  WithConfig { fromWithConf :: ReaderT [Syntax C] m a }
-  deriving newtype ( Applicative
-                   , Functor
-                   , Monad
-                   , MonadIO
-                   , MonadReader [Syntax C]
-                   , MonadTrans
-                   , MonadThrow
-                   , MonadCatch
-                   , MonadMask
-                   , MonadUnliftIO
-                   )
-
-
-runWithConfig :: MonadIO m => [Syntax C] -> RunWithConfig m a -> m a
-runWithConfig conf m = runReaderT (fromWithConf m) conf
-
-
-instance (Monad m, HasGlobalOptions m) => HasGlobalOptions (RunWithConfig m) where
-  addGlobalOption k v = lift $ addGlobalOption k v
-  getGlobalOption k = lift $ getGlobalOption k
-
-instance (Monad m, HasStorage m) => HasStorage (RunWithConfig m) where
-  getStorage = lift getStorage
-
-instance (Monad m, HasRPC m) => HasRPC (RunWithConfig m) where
-  getRPC = lift getRPC
-
-instance MonadIO m => HasConf (RunWithConfig (GitRemoteApp m)) where
-  getConf = ask
-
-instance MonadIO m => HasRefCredentials (RunWithConfig (GitRemoteApp m)) where
-  getCredentials = lift . getCredentials
-  setCredentials r c = lift $ setCredentials r c
-
-
-instance MonadIO m => HasEncryptionKeys (RunWithConfig (GitRemoteApp m)) where
-  addEncryptionKey = lift . addEncryptionKey
-  findEncryptionKey = lift . findEncryptionKey
-  enumEncryptionKeys = lift enumEncryptionKeys
-
-push :: forall  m . ( MonadIO m
-                    , MonadCatch m
-                    , HasConf m
-                    , HasRefCredentials m
-                    , HasEncryptionKeys m
-                    , HasGlobalOptions m
-                    , HasStorage m
-                    , HasRPC m
-                    , MonadUnliftIO m
-                    , MonadMask m
-                    )
-
-     => RepoRef -> [Maybe GitRef] -> m (Maybe GitRef)
-
-
-push remote what@[Just bFrom , Just br] = do
-
-  _ <- cfgValue @ConfBranch  @(Set GitRef) <&> transformBi normalizeRef
-  trace $ "PUSH PARAMS" <+> pretty what
-  gh <- gitGetHash (normalizeRef bFrom) `orDie` [qc|can't read hash for ref {pretty br}|]
-  _ <- traceTime "TIME: exportRefOnly" $ exportRefOnly () remote (Just bFrom) br gh
-  importRefLogNew False remote
-  pure (Just br)
-
-push remote [Nothing, Just br]  = do
-
-  _ <- cfgValue @ConfBranch  @(Set GitRef) <&> transformBi normalizeRef
-  trace $ "deleting remote reference" <+> pretty br
-  exportRefDeleted () remote br
-  importRefLogNew False remote
-  pure (Just br)
-
-push r w = do
-  warn $ "ignoring weird push" <+> pretty w <+> pretty r
-  pure Nothing
-

hbs2-git/git-hbs2/GitRemoteTypes.hs

@@ -1,83 +0,0 @@
-{-# Language TemplateHaskell #-}
-{-# Language UndecidableInstances #-}
-module GitRemoteTypes where
-
-import HBS2.Prelude
-import HBS2.OrDie
-import HBS2.Net.Proto
-import HBS2.Net.Auth.Credentials
-import HBS2.Peer.RPC.Client.StorageClient
-
-import HBS2Git.Types
-import Control.Monad.Reader
-import Lens.Micro.Platform
-import Data.HashMap.Strict qualified as HashMap
-import Data.HashMap.Strict (HashMap)
-import Control.Concurrent.STM
-import Control.Monad.Catch
-import Control.Monad.Trans.Resource
-
-data RemoteEnv =
-  RemoteEnv
-  { _reCreds :: TVar (HashMap RepoRef (PeerCredentials Schema))
-  , _reKeys  :: TVar (HashMap (PubKey 'Encrypt Schema) (PrivKey 'Encrypt Schema))
-  , _reOpts  :: TVar (HashMap String String)
-  , _reRpc   :: RPCEndpoints
-  }
-
-makeLenses 'RemoteEnv
-
-newtype GitRemoteApp m a =
-  GitRemoteApp { fromRemoteApp :: ReaderT RemoteEnv m a }
-  deriving newtype ( Applicative
-                   , Functor
-                   , Monad
-                   , MonadIO
-                   , MonadReader RemoteEnv
-                   , MonadThrow
-                   , MonadCatch
-                   , MonadUnliftIO
-                   , MonadMask
-                   , MonadTrans
-                   )
-
-instance Monad m => HasStorage (GitRemoteApp m) where
-  getStorage =  asks (rpcStorage . view reRpc) <&> AnyStorage . StorageClient
-
-instance Monad m => HasRPC (GitRemoteApp m) where
-  getRPC =  asks (view reRpc)
-
-runRemoteM :: MonadIO m => RemoteEnv -> GitRemoteApp m a -> m a
-runRemoteM env m = runReaderT (fromRemoteApp m) env
-
-
-instance MonadIO m => HasGlobalOptions (GitRemoteApp m) where
-  addGlobalOption k v =
-    asks (view reOpts ) >>= \t -> liftIO $ atomically $
-      modifyTVar' t (HashMap.insert k v)
-
-  getGlobalOption k = do
-    hm <- asks (view reOpts) >>= liftIO . readTVarIO
-    pure (HashMap.lookup k hm)
-
-instance MonadIO m => HasRefCredentials (GitRemoteApp m) where
-
-  setCredentials ref cred = do
-    asks (view reCreds) >>= \t -> liftIO $ atomically $
-      modifyTVar' t (HashMap.insert ref cred)
-
-  getCredentials ref = do
-    hm <- asks (view reCreds) >>= liftIO . readTVarIO
-    pure (HashMap.lookup ref hm) `orDie` "keyring not set (3)"
-
-instance MonadIO m => HasEncryptionKeys (GitRemoteApp m) where
-  addEncryptionKey ke = do
-    asks (view reKeys) >>= \t -> liftIO $ atomically do
-      modifyTVar' t (HashMap.insert (view krPk ke) (view krSk ke))
-
-  findEncryptionKey puk = (asks (view reKeys) >>= \t -> liftIO $ readTVarIO t) <&> HashMap.lookup puk
-
-  enumEncryptionKeys = do
-    them <- (asks (view reKeys) >>= \t -> liftIO $ readTVarIO t) <&> HashMap.toList
-    pure $ [KeyringEntry k s Nothing | (k,s) <- them ]
-

hbs2-git/git-hbs2/Main.hs

@@ -1,122 +1,219 @@
+{-# Language UndecidableInstances #-}
 module Main where
 
-import HBS2.Prelude
+import HBS2.Git.Client.Prelude hiding (info)
-import HBS2.OrDie
+import HBS2.Git.Client.App
+import HBS2.Git.Client.Export
+import HBS2.Git.Client.Import
+import HBS2.Git.Client.State
 
-import HBS2Git.App
+import HBS2.Git.Data.RefLog
-import HBS2Git.Export
+import HBS2.Git.Local.CLI qualified as Git
-import HBS2Git.Tools
+import HBS2.Git.Data.Tx qualified as TX
-import HBS2Git.KeysCommand
+import HBS2.Git.Data.Tx (RepoHead(..))
-import HBS2.Version
+import HBS2.Git.Data.LWWBlock
+import HBS2.Git.Data.GK
 
-import RunShow
+import HBS2.Storage.Operations.ByteString
 
 import Options.Applicative as O
-import Control.Monad
-import Data.Aeson qualified as Aeson
 import Data.ByteString.Lazy qualified as LBS
 
-import Paths_hbs2_git qualified as Pkg
+import System.Exit
+
+globalOptions :: Parser [GitOption]
+globalOptions = do
+
+  t <- flag [] [GitTrace]
+           (  long "trace" <> short 't' <> help "allow trace"
+           )
+
+  d <- flag [] [GitDebug]
+           (  long "debug" <> short 'd' <> help "allow debug"
+           )
+
+  pure (t <> d)
+
+commands :: GitPerks m => Parser (GitCLI m ())
+commands =
+  hsubparser (  command "export"  (info pExport  (progDesc "export repo to hbs2-git"))
+             <> command "import" (info pImport  (progDesc "import repo from reflog"))
+             <> command "key"    (info pKey     (progDesc "key management"))
+             <> command "tools"  (info pTools   (progDesc "misc tools"))
+             )
+
+
+pRefLogId :: ReadM RefLogId
+pRefLogId = maybeReader (fromStringMay @RefLogId)
+
+
+pLwwKey :: ReadM (LWWRefKey HBS2Basic)
+pLwwKey = maybeReader fromStringMay
+
+pHashRef :: ReadM HashRef
+pHashRef = maybeReader (fromStringMay @HashRef)
+
+pInit :: GitPerks m => Parser (GitCLI m ())
+pInit = do
+  pure runDefault
+
+
+pExport :: GitPerks m => Parser (GitCLI m ())
+pExport = do
+
+  puk <- argument pLwwKey (metavar "REFLOG-KEY")
+
+  et <- flag ExportInc ExportNew
+           (  long "new" <> help "new is usable to export to a new empty reflog"
+           )
+
+  enc <- flag' ExportPublic (long "public" <> help "create unencrypted reflog")
+          <|>
+          ( ExportPrivate <$>
+                strOption (long "encrypted" <> help "create encrypted reflog"
+                                            <> metavar "GROUP-KEY-FILE")
+          )
+
+  pure do
+    git <- Git.gitDir >>= orThrowUser "not a git dir"
+    notice (green "git dir" <+> pretty git <+> pretty (AsBase58 puk))
+
+    env <- ask
+
+    withGitEnv ( env & set gitApplyHeads False & set gitExportType et & set gitExportEnc enc) do
+      unless (et == ExportNew) do
+        importRepoWait puk
+
+      export puk mempty
+
+pImport :: GitPerks m => Parser (GitCLI m ())
+pImport = do
+  puk <- argument pLwwKey (metavar "LWWREF")
+
+  pure do
+    git <- Git.gitDir >>= orThrowUser "not a git dir"
+    importRepoWait puk
+
+pTools :: GitPerks m => Parser (GitCLI m ())
+pTools = hsubparser (  command "dump-pack" (info pDumpPack (progDesc "dump hbs2 git pack"))
+                    <> command "show-ref" (info pShowRef (progDesc "show current references"))
+                    <> command "show-remotes" (info pShowLww (progDesc "show current remotes (hbs2 references)"))
+                    )
+
+
+data DumpOpt = DumpInfoOnly | DumpObjects | DumpPack
+
+pDumpPack :: GitPerks m => Parser (GitCLI m ())
+pDumpPack = do
+  what <- dumpInfoOnly <|> dumpObjects <|> dumpPack
+  pure do
+    co <- liftIO LBS.getContents
+
+    (idSize,idVer,sidx,pack) <- TX.unpackPackMay co
+                                  & orThrowUser "can't unpack the bundle"
+
+    case what of
+      DumpInfoOnly -> do
+        liftIO $ print $ pretty "version:"    <+> pretty idVer  <> line
+                             <> "index size:" <+> pretty idSize <> line
+                             <> "objects:"    <+> pretty (length sidx)
+      DumpObjects -> do
+        liftIO $ print $ vcat (fmap pretty sidx)
+
+      DumpPack -> do
+        liftIO $ LBS.putStr pack
+
+  where
+    dumpInfoOnly = flag DumpInfoOnly DumpInfoOnly
+                      ( long "info-only" )
+
+    dumpObjects = flag DumpObjects DumpObjects
+                      ( long "objects" )
+
+    dumpPack = flag DumpPack DumpPack
+                      ( long "pack" )
+
+
+pShowLww :: GitPerks m => Parser (GitCLI m ())
+pShowLww = pure do
+  items <- withState selectAllLww
+  liftIO $ print $ vcat (fmap fmt items)
+  where
+    fmt (l,n,k) = fill 4 (pretty n) <+> fill 32 (pretty l) <+> fill 32 (pretty (AsBase58 k))
+
+pShowRef :: GitPerks m => Parser (GitCLI m ())
+pShowRef = do
+  pure do
+    sto <- asks _storage
+    void $ runMaybeT do
+
+      tx  <- withState do
+               selectMaxAppliedTx >>= lift  . toMPlus <&> fst
+
+      rh <- TX.readRepoHeadFromTx sto tx >>= toMPlus
+
+      liftIO $ print $ vcat (fmap formatRef (_repoHeadRefs rh))
+
+
+pKey :: GitPerks m => Parser (GitCLI m ())
+pKey = hsubparser (  command "show"   (info pKeyShow  (progDesc "show current key"))
+                  <> command "update" (info pKeyUpdate (progDesc "update current key"))
+                  )
+        <|> pKeyShow
+
+pKeyShow :: GitPerks m => Parser (GitCLI m ())
+pKeyShow = do
+  full <- flag False True (long "full" <> help "show full key info")
+  pure do
+    sto <- asks _storage
+    void $ runMaybeT do
+
+      tx  <- withState do
+               selectMaxAppliedTx >>= lift  . toMPlus <&> fst
+
+      rh <- TX.readRepoHeadFromTx sto tx
+               >>= toMPlus
+
+      gkh <- toMPlus (_repoHeadGK0 rh)
+
+      if not full then do
+        liftIO $ print $ pretty gkh
+      else do
+        gk <- runExceptT (readGK0 sto gkh) >>= toMPlus
+        liftIO $ print $ ";; group key" <+> pretty gkh <> line <> line <> pretty gk
+
+pKeyUpdate :: GitPerks m => Parser (GitCLI m ())
+pKeyUpdate = do
+  rlog <- argument pRefLogId (metavar "REFLOG-KEY")
+  fn <- strArgument (metavar "GROUP-KEY-FILE")
+  pure do
+    gk <- loadGK0FromFile  fn
+            `orDie` "can not load group key or invalid format"
+
+    sto <- asks _storage
+
+    gh <- writeAsMerkle sto (serialise gk) <&> HashRef
+
+    added <- withState $ runMaybeT do
+                (tx,_) <- lift selectMaxAppliedTx >>= toMPlus
+                lift do
+                  insertNewGK0 rlog tx gh
+                  commitAll
+                  pure gh
+
+    case added of
+      Nothing -> liftIO $ putStrLn "not added" >> exitFailure
+      Just x  -> liftIO $ print $ pretty x
 
 main :: IO ()
-main = join . customExecParser (prefs showHelpOnError) $
+main = do
-  info (helper <*> parser)
+  (o, action) <- customExecParser (prefs showHelpOnError) $
-  (  fullDesc
+                      O.info (liftA2 (,) globalOptions commands <**> helper)
-  <> header "git-hbs2"
+                        ( fullDesc
-  <> progDesc "helper tool for hbs2-git"
+                           <> header "hbs2-git"
-  )
+                           <> progDesc "hbs2-git"
-  where
-    parser ::  Parser (IO ())
-    parser = hsubparser (  command "init"      (info pInit (progDesc "init new hbs2 repo"))
-                        <> command "list-refs" (info pListRefs (progDesc "list refs"))
-                        <> command "show"      (info pShow (progDesc "show various types of objects"))
-                        <> command "tools"     (info pTools (progDesc "misc tools"))
-                        <> command "key"       (info pKeys (progDesc "manage keys"))
-                        <> command "version"   (info pVersion (progDesc "show program version"))
                         )
 
-    pVersion = pure do
+  runGitCLI o action
-        LBS.putStr $ Aeson.encode $(inlineBuildVersion Pkg.version)
-
-    pExport = do
-      keyfile   <- strArgument (metavar "KEIRING-FILE")
-      pure $ runApp WithLog do
-          runExport' keyfile
-
-    pListRefs = do
-      pure $ runApp NoLog runListRefs
-
-    showReader s = if s == "config"
-      then Just ShowConfig
-      else ShowRef <$> fromStringMay s
-
-    pShow = do
-      object <- optional $
-        argument (maybeReader showReader) (metavar "object" <> help "<HASH-REF> | config")
-
-      pure $ runApp NoLog (runShow object)
-
-    pTools = hsubparser (    command "scan" (info pToolsScan (progDesc "scan reference"))
-                          <> command "export"    (info pExport (progDesc "export repo"))
-                          <> command "refs" (info pToolsGetRefs (progDesc "list references"))
-
-                        )
-
-    pToolsScan = do
-      ref  <- strArgument (metavar "HASH-REF")
-      pure $ runApp WithLog (runToolsScan ref)
-
-    pToolsGetRefs = do
-      ref  <- strArgument (metavar "HASH-REF")
-      pure $ runApp WithLog (runToolsGetRefs ref)
 
 
-    pKeys = hsubparser (  command "list"   (info pKeysList    (progDesc "list keys for refs"))
-                       <> command "refs"   (info pKeyRefsList (progDesc "list encrypted refs"))
-                       <> command "update" (info pKeyUpdate   (progDesc "update key for the ref"))
-                       )
-
-
-    pKeyUpdate = do
-      ref <- strArgument (metavar "REF-KEY")
-      pure $ do
-        rk <- pure (fromStringMay ref) `orDie` "invalid REF-KEY"
-        runApp WithLog (runKeysUpdate rk)
-
-    pKeyRefsList = do
-      pure $ do
-        runApp WithLog runKeyRefsList
-
-    pKeysList = do
-      ref <- strArgument (metavar "REF-KEY")
-      pure $ do
-        rk <- pure (fromStringMay ref) `orDie` "invalid REF-KEY"
-        runApp WithLog (runKeysList rk)
-
-    pInit = do
-      opts <- pOpts
-      pure do
-        runInit (runInitRepo opts)
-
-      where
-        pOpts = pInteractive
-
-        pInteractive = NewRepoOpts <$> optional pKeyring
-                                   <*> pEncryption
-
-
-        pEncryption = pEncryptionHere <|> pure Nothing
-
-        pEncryptionHere = do
-          puk <- option pEncPk ( short 'p' <> long "encryption-pk" <> help "public key for encryption")
-          fn  <- strOption ( short 'e' <> long "keyring-enc" <> help "keyring for encryption" )
-          pure $ Just (puk, fn)
-
-
-        pEncPk :: ReadM (PubKey 'Encrypt (Encryption L4Proto))
-        pEncPk  = eitherReader $
-            maybe (Left "invalid encryption public key") pure . fromStringMay
-
-        pKeyring = do
-          strOption (short 'k' <> long "keyring" <> help "reference keyring file")
-

hbs2-git/git-hbs2/RunShow.hs

@@ -1,53 +0,0 @@
-module RunShow where
-
-import HBS2.Prelude
-import HBS2.Base58
-
-import HBS2Git.App
-import HBS2Git.State
-import HBS2Git.Config
-import HBS2Git.Tools
-import HBS2Git.PrettyStuff
-
-import Control.Monad.Catch (MonadMask)
-import Data.Foldable
-import Prettyprinter.Render.Terminal
-
-data ShowObject = ShowRef RepoRef | ShowConfig
-
-showRef :: (MonadIO m, MonadMask m) => RepoRef -> App m ()
-showRef h = do
-  db <- makeDbPath h >>= dbEnv
-  -- FIXME: re-implement-showRef
-  pure ()
-  -- withDB db do
-  --   hd <- stateGetHead
-  --   imported <- stateGetLastImported 10
-  --   liftIO $ do
-  --     print $ "current state for" <+> pretty (AsBase58 h)
-  --     print $ "head:" <+> pretty hd
-  --     print $ pretty "last operations:"
-  --     for_ imported (\(t,h1,h2) -> print $ pretty t <+> pretty h1 <+> pretty h2)
-
-showRefs :: (MonadIO m, MonadMask m) => App m ()
-showRefs = do
-  liftIO $ putDoc $ line <> green "References:" <> section
-  runListRefs
-
-showConfig :: (MonadIO m, MonadMask m) => App m ()
-showConfig = liftIO do
-  ConfigPathInfo{..} <- getConfigPathInfo
-  cfg <- readFile configFilePath
-  putDoc $ green "Config file location:" <> section <> pretty configFilePath <> section
-  putDoc $ green "Config contents:" <> line <> pretty cfg
-
-showSummary :: (MonadIO m, MonadMask m) => App m ()
-showSummary = do
-  showRefs
-  liftIO $ putDoc section
-  showConfig
-
-runShow :: (MonadIO m, MonadMask m) => Maybe ShowObject -> App m ()
-runShow (Just (ShowRef h)) = showRef h
-runShow (Just ShowConfig) = showConfig
-runShow Nothing = showSummary

hbs2-git/git-remote-hbs2/Main.hs

@@ -0,0 +1,215 @@
+module Main where
+
+import Prelude hiding (getLine)
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Client.App
+import HBS2.Git.Client.Import
+import HBS2.Git.Client.Export
+import HBS2.Git.Client.State
+import HBS2.Git.Client.Progress
+import HBS2.Git.Client.Config
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.Tx qualified as TX
+import HBS2.Git.Data.Tx (RepoHead(..))
+import HBS2.Git.Data.LWWBlock
+
+import HBS2.System.Dir
+
+import Control.Concurrent.STM qualified as STM
+import System.Posix.Signals
+import System.Environment
+import System.IO (hPutStrLn)
+import System.IO qualified as IO
+import System.Exit qualified as Exit
+
+import Data.ByteString.Char8 qualified as BS8
+import Data.ByteString.Lazy.Char8 qualified as LBS8
+import Data.Attoparsec.ByteString.Char8 hiding (try)
+import Data.Attoparsec.ByteString.Char8 qualified as Atto
+import Data.Maybe
+import Data.HashMap.Strict qualified as HM
+import Data.List qualified as L
+import Text.InterpolatedString.Perl6 (qc)
+import System.Exit hiding (die)
+
+{- HLINT ignore "Use isEOF" -}
+{- HLINT ignore "Use putStrLn" -}
+
+done :: MonadIO m => m Bool
+done = hIsEOF stdin
+
+getLine :: MonadIO m => m String
+getLine = liftIO IO.getLine
+
+sendLine :: MonadIO m => String -> m ()
+sendLine = liftIO . IO.putStrLn
+
+die :: (MonadIO m, Pretty a) => a -> m b
+die s = liftIO $ Exit.die (show $ pretty s)
+
+parseURL :: String -> Maybe (LWWRefKey HBS2Basic)
+parseURL s = eitherToMaybe $ Atto.parseOnly p (BS8.pack s)
+  where
+    p = do
+      void $ string "hbs21://" <|> string "hbs2://"
+
+      Atto.takeWhile1 (`elem` getAlphabet)
+       <&> BS8.unpack
+       <&> fromStringMay @(LWWRefKey HBS2Basic)
+       >>= maybe (fail "invalid reflog key") pure
+
+parsePush :: String -> Maybe (Maybe GitRef, GitRef)
+parsePush s = eitherToMaybe $ Atto.parseOnly p (BS8.pack s)
+  where
+    gitref = fromString @GitRef . BS8.unpack
+    p = do
+      a <- optional (Atto.takeWhile1 (/= ':')) <&> fmap gitref
+      char ':'
+      b <- Atto.takeWhile1 (const True) <&> gitref
+      pure (a,b)
+
+data S =
+    Plain
+  | Push
+  deriving stock (Eq,Ord,Show,Enum)
+
+
+{- HLINT ignore "Functor law" -}
+main :: IO ()
+main = do
+  hSetBuffering stdin  LineBuffering
+  hSetBuffering stdout LineBuffering
+
+  void $ installHandler sigPIPE Ignore Nothing
+
+  args <- getArgs
+
+  (remote, puk) <- case args of
+                     [s, u] ->
+                        (s,) <$> pure (parseURL u)
+                                  `orDie` show ("invalid reflog" <+> pretty u)
+
+                     _ -> die "bad args"
+
+  runGitCLI mempty $ do
+
+    env <- ask
+
+    flip runContT pure do
+
+      lift $ withGitEnv (env & set gitApplyHeads False) do
+
+        debug $ red "run" <+> pretty args
+
+        sto <- asks _storage
+        ip <- asks _progress
+
+        importRepoWait puk
+          `catch` (\(_ :: ImportRefLogNotFound) -> do
+                      onProgress ip ImportAllDone
+                      let url = headMay (catMaybes [ parseURL a | a <- args]) <&> AsBase58
+                      pause @'Seconds 0.25
+                      liftIO $ hFlush stderr
+                      liftIO $ hPutDoc stderr $ ""
+                                  <> ul (yellow "Reference" <+> pretty url <+>  yellow "is not available yet.") <> line
+                                  <> "If you sure it's a new one -- make sure you've added the key to hbs2-keyman and then run"
+                                  <> line <> line
+                                  <> "hbs2-keyman update" <> line <> line
+                                  <> "git" <+> pretty hbs2Name <+> "export --new" <+> pretty url <> line <> line
+                                  <> "to init the reflog first." <> line
+                                  <> "Pushing to an existing reflog as a new one may cause unwanted data duplication." <> line
+                                  <> line
+                                  <> "Note: what ever pushed -- can not be unpushed" <> line
+                                  <> "If it's not a new reflog --- just wait until it became available"
+                      liftIO exitFailure
+                  )
+          `catch` ( \(ImportTxApplyError h) -> do
+                      onProgress ip ImportAllDone
+                      pause @'Seconds 0.25
+                      liftIO $ hFlush stderr
+                      liftIO $ hPutDoc stderr $ red "Can not apply tx" <+>  pretty h <> line <> line
+                                      <> "It means you don't have a key do decrypt this tx or the data is not completely downloaded yet"
+                                      <> line
+
+                      liftIO exitFailure
+                  )
+
+        void $ runExceptT do
+
+            tpush <- newTQueueIO -- @(GitRef, Maybe GitHash)
+
+            flip fix Plain $ \next s -> do
+
+              eof <- done
+
+              when eof $ pure ()
+
+              cmd <- ExceptT (try @_ @IOError (getLine <&> words))
+
+              debug $ "C:" <+> pretty cmd
+
+              case cmd of
+
+                [] | s == Plain -> do
+                  onProgress ip (ImportSetQuiet True)
+                  pure ()
+
+                [] | s == Push -> do
+                       refs <- atomically (STM.flushTQueue tpush)
+                                 <&> HM.toList . HM.fromList
+
+                       importRepoWait puk
+                       export puk refs
+                       sendLine ""
+                       next Plain
+
+                ["capabilities"] -> do
+                  debug $ "send capabilities"
+                  sendLine "push"
+                  sendLine "fetch"
+                  sendLine ""
+                  next Plain
+
+                ("list" : _) -> do
+
+
+                    r'  <- runMaybeT $ withState do
+                            tx <- selectMaxAppliedTx >>= lift  . toMPlus <&> fst
+
+                            rh <- TX.readRepoHeadFromTx sto tx >>= lift . toMPlus
+                            pure (_repoHeadRefs rh)
+
+                    let r = fromMaybe mempty r'
+
+                    forM_ (fmap (show . formatRef) r) sendLine
+
+                    sendLine ""
+
+                    next Plain
+
+                ("push" : pargs : _ ) -> do
+                  (fromRef, toRef) <- orThrowUser "can't parse push" (parsePush pargs)
+
+                  r <- readProcess (setStderr closed $ shell [qc|git rev-parse {pretty $ fromRef}|])
+                        <&> headDef "" . LBS8.words . view _2
+                        <&> fromStringMay @GitHash . LBS8.unpack
+
+                  let val = const r =<< fromRef
+
+                  atomically $ writeTQueue tpush (toRef, val)
+
+                  sendLine [qc|ok {pretty toRef}|]
+                  next Push
+
+                _ -> next Plain
+
+              pure ()
+
+  `finally` liftIO do
+    hPutStrLn stdout "" >> hFlush stdout
+    -- notice $ red "BYE"
+    hPutStrLn stderr ""
+
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/App.hs

@@ -0,0 +1,203 @@
+module HBS2.Git.Client.App
+  ( module HBS2.Git.Client.App
+  , module HBS2.Git.Client.App.Types
+  ) where
+
+import HBS2.Git.Client.Prelude hiding (info)
+import HBS2.Git.Client.App.Types
+import HBS2.Git.Client.Config
+import HBS2.Git.Client.Progress
+import HBS2.Git.Client.State
+
+import HBS2.Git.Data.Tx
+
+import HBS2.Git.Local.CLI
+
+import HBS2.System.Dir
+
+import Data.Maybe
+import System.Environment
+import System.IO (hPutStr)
+import Data.Vector qualified as V
+import Data.Vector ((!))
+
+drawProgress :: MonadUnliftIO m => ProgressQ -> m ()
+drawProgress (ProgressQ q) = do
+
+  let spin = V.fromList ["--","\\","|","/"]
+  let l = V.length spin
+  i <- newTVarIO 0
+
+  tl <- newTVarIO =<< getTimeCoarse
+
+  let updateSpinner = do
+        atomically  $ modifyTVar i succ
+
+  let getSpinner = do
+        j <- readTVarIO i <&> (`mod` l)
+        pure $ spin ! j
+
+  let
+    limit :: MonadIO m => Timeout 'Seconds -> m () -> m ()
+    limit dt m = do
+       t0  <- readTVarIO tl
+       now <- getTimeCoarse
+       when (expired dt (now - t0)) do
+        atomically $ writeTVar tl now
+        m
+
+  let loop = do
+        flip fix False \next quiet -> do
+
+          let put s | quiet = pure ()
+                    | otherwise = putStatus s
+
+          ev <- atomically $ readTQueue q
+
+          case ev of
+            ImportIdle -> do
+              next quiet
+
+            ImportSetQuiet qq -> do
+              put ""
+              next qq
+
+            ImportWaitLWW n lww -> do
+              limit 0.25 $ put ("wait lwwref" <+> pretty lww <+> pretty n)
+              next quiet
+
+            ImportRefLogStart puk -> do
+              put ("wait reflog" <+> pretty (AsBase58 puk))
+              next quiet
+
+            ImportRefLogDone puk Nothing -> do
+              updateSpinner
+              c <- getSpinner
+              put ("wait reflog" <+> pretty (AsBase58 puk) <+> pretty c)
+              next quiet
+
+            ImportRefLogDone _ (Just h) -> do
+              put ("reflog value" <+> pretty h)
+              next quiet
+
+            ImportWaitTx h -> do
+              updateSpinner
+              c <- getSpinner
+              put ("wait tx data" <+> pretty h <+> pretty c)
+              next quiet
+
+            ImportScanTx h -> do
+              put ("scan tx" <+> pretty h)
+              next quiet
+
+            ImportApplyTx h -> do
+              put ("apply tx" <+> pretty h)
+              next quiet
+
+            ImportApplyTxError h s -> do
+              limit 0.25 $ put $ red ("failed" <+> pretty s) <+> pretty h
+              next quiet
+
+            ImportReadBundleChunk meta (Progress s _) -> do
+              let h = bundleHash meta
+              let e = if bundleEncrypted meta then yellow "@" else ""
+              limit 0.5 $ put $ "read pack" <+> e <> pretty h <+> pretty s
+              next quiet
+
+            ExportWriteObject (Progress s _) -> do
+              limit 0.5 $ put $ "write object" <+> pretty s
+              next quiet
+
+            ImportAllDone -> do
+              put "\n"
+
+  loop
+    `finally` do
+      putStatus ""
+
+  where
+    putStatus :: MonadUnliftIO m => Doc AnsiStyle -> m ()
+    putStatus s = do
+      liftIO $ hPutStr stderr $ toStringANSI $ "\r" <> fill 80 "" <> "\r" <> pretty (take 74 (toStringANSI s))
+      liftIO $ hFlush stderr
+
+runGitCLI :: (GitPerks m) => [GitOption] -> GitCLI m a -> m a
+runGitCLI o m = do
+
+  soname <- runExceptT getSocketName
+              >>= orThrowUser "no rpc socket"
+
+  flip runContT pure do
+
+    client <- lift $ race (pause @'Seconds 1) (newMessagingUnix False 1.0 soname)
+                >>= orThrowUser ("can't connect to" <+> pretty soname)
+
+    void $ ContT $ withAsync $ runMessagingUnix client
+
+    peerAPI    <- makeServiceCaller @PeerAPI (fromString soname)
+    refLogAPI  <- makeServiceCaller @RefLogAPI (fromString soname)
+    storageAPI <- makeServiceCaller @StorageAPI (fromString soname)
+    lwwAPI     <- makeServiceCaller @LWWRefAPI (fromString soname)
+
+    let endpoints = [ Endpoint @UNIX  peerAPI
+                    , Endpoint @UNIX  refLogAPI
+                    , Endpoint @UNIX  lwwAPI
+                    , Endpoint @UNIX  storageAPI
+                    ]
+
+    void $ ContT $ withAsync $ liftIO $ runReaderT (runServiceClientMulti endpoints) client
+
+    conf <- lift $ readConfig True
+
+    git <- gitDir
+              >>= orThrowUser "git dir not set"
+              >>= canonicalizePath
+
+    q <- lift newProgressQ
+    let ip = AnyProgress q
+
+    cpath <- lift getConfigDir
+
+    progress <- ContT $ withAsync (drawProgress q)
+
+    env <- lift $ newGitEnv ip o git cpath conf peerAPI refLogAPI lwwAPI storageAPI
+    lift $ runReaderT setupLogging env
+    lift $ withGitEnv env (evolveDB >> m)
+      `finally` do
+        onProgress ip ImportAllDone
+        cancel progress
+        shutDownLogging
+
+runDefault :: GitPerks m => GitCLI m ()
+runDefault = do
+  pure ()
+
+setupLogging :: (GitPerks m, HasGitOpts m) => m ()
+setupLogging = do
+
+  traceEnv <- liftIO $ lookupEnv "HBS2TRACE" <&> isJust
+
+  setLogging @INFO   defLog
+  setLogging @ERROR  (logPrefix "" . toStderr)
+  setLogging @WARN   (logPrefix "" . toStderr)
+  setLogging @NOTICE (logPrefix "" . toStderr)
+
+  dbg <- debugEnabled
+
+  when (dbg || traceEnv) do
+    setLogging @DEBUG  (logPrefix "" . toStderr)
+
+  trc <- traceEnabled
+
+  when (trc || traceEnv) do
+    setLogging @TRACE  (logPrefix "" . toStderr)
+
+shutDownLogging :: MonadUnliftIO m => m ()
+shutDownLogging  = do
+  setLoggingOff @INFO
+  setLoggingOff @ERROR
+  setLoggingOff @WARN
+  setLoggingOff @NOTICE
+  setLoggingOff @DEBUG
+  setLoggingOff @TRACE
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/App/Types.hs

@@ -0,0 +1,168 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# Language UndecidableInstances #-}
+module HBS2.Git.Client.App.Types
+  ( module HBS2.Git.Client.App.Types
+  , module HBS2.Git.Client.App.Types.GitEnv
+  , module HBS2.Git.Local
+  , module Data.Config.Suckless
+  , module Control.Monad.Catch
+  ) where
+
+import HBS2.Git.Client.Prelude hiding (info)
+import HBS2.Git.Client.Progress
+import HBS2.Git.Local
+import HBS2.Git.Client.App.Types.GitEnv
+
+import HBS2.Git.Data.Tx
+import HBS2.Git.Data.GK
+
+import HBS2.KeyMan.Keys.Direct
+import HBS2.Net.Auth.GroupKeySymm
+import HBS2.Storage.Operations.ByteString
+import HBS2.System.Dir
+
+import Data.Config.Suckless
+import Control.Monad.Catch (MonadThrow(..))
+import DBPipe.SQLite
+import Data.HashMap.Strict qualified as HM
+import Data.Maybe
+import Data.Word
+
+type Epoch = Word64
+
+data GitOption = GitTrace
+               | GitDebug
+               | GitExport ExportType
+               | GitEnc ExportEncryption
+               | GitDontApplyHeads
+               deriving stock (Eq,Ord)
+
+
+
+newtype GitCLI m a = GitCLI { fromGitCLI :: ReaderT GitEnv m a }
+                     deriving newtype ( Applicative
+                                      , Functor
+                                      , Monad
+                                      , MonadIO
+                                      , MonadUnliftIO
+                                      , MonadTrans
+                                      , MonadReader GitEnv
+                                      , MonadThrow
+                                      )
+
+-- type GitPerks m = ( MonadUnliftIO m, MonadThrow m )
+type GitPerks m = ( MonadUnliftIO m )
+
+instance Monad m => HasProgressIndicator (GitCLI m) where
+  getProgressIndicator = asks _progress
+
+instance Monad m => HasStorage (GitCLI m) where
+  getStorage = asks _storage
+
+instance Monad m => HasAPI PeerAPI UNIX (GitCLI m) where
+  getAPI = asks _peerAPI
+
+instance Monad m => HasAPI LWWRefAPI UNIX (GitCLI m) where
+  getAPI = asks _lwwRefAPI
+
+instance Monad m => HasAPI RefLogAPI UNIX (GitCLI m) where
+  getAPI = asks _refLogAPI
+
+instance MonadReader GitEnv m => HasAPI RefLogAPI UNIX (ExceptT e m) where
+  getAPI = asks _refLogAPI
+
+instance MonadReader GitEnv m => HasAPI LWWRefAPI UNIX (ExceptT e m) where
+  getAPI = asks _lwwRefAPI
+
+instance MonadReader GitEnv m => HasAPI PeerAPI UNIX (ExceptT e m) where
+  getAPI = asks _peerAPI
+
+newGitEnv :: GitPerks m
+          => AnyProgress
+          -> [GitOption]
+          -> FilePath
+          -> FilePath
+          -> Config
+          -> ServiceCaller PeerAPI UNIX
+          -> ServiceCaller RefLogAPI UNIX
+          -> ServiceCaller LWWRefAPI UNIX
+          -> ServiceCaller StorageAPI UNIX
+          -> m GitEnv
+
+newGitEnv p opts path cpath conf peer reflog lww sto = do
+  let dbfile  = cpath </> "state.db"
+  let dOpt = dbPipeOptsDef { dbLogger = \x -> debug ("state:" <+> pretty x) }
+  db <- newDBPipeEnv dOpt dbfile
+  cache <- newTVarIO mempty
+  pure $ GitEnv
+           traceOpt
+           debugOpt
+           applyHeadsOpt
+           exportType
+           exportEnc
+           path
+           cpath
+           conf
+           peer
+           reflog
+           lww
+           (AnyStorage (StorageClient sto))
+           db
+           p
+           cache
+  where
+    traceOpt = GitTrace `elem` opts
+    debugOpt = GitDebug `elem` opts
+    applyHeadsOpt = GitDontApplyHeads `notElem` opts
+    -- FIXME: from-options
+    exportType = lastDef ExportInc [ t | GitExport t <- opts ]
+    exportEnc  = lastDef ExportPublic [ t | GitEnc t <- opts ]
+
+withGitEnv :: GitPerks m => GitEnv -> GitCLI m a ->  m a
+withGitEnv env m = runReaderT (fromGitCLI m) env
+
+instance (GitPerks m, MonadReader GitEnv m) => GroupKeyOperations m where
+
+  -- FIXME: may-be-faster
+  loadKeyrings gkh = do
+
+    sto <- asks _storage
+    cache <- asks _keyringCache
+
+    let k = gkh
+
+    ke <- readTVarIO cache <&> HM.lookup k
+
+    case ke of
+      Just es -> pure es
+      Nothing -> do
+
+        rcpt <- fromMaybe mempty <$> runMaybeT do
+                  runExceptT (readGK0 sto gkh)
+                      >>= toMPlus
+                      <&> HM.keys . recipients
+
+        es <- runKeymanClient $ do
+          loadKeyRingEntries rcpt
+            <&> fmap snd
+
+        atomically $ modifyTVar cache (HM.insert k es)
+        pure es
+
+  openGroupKey gk = runMaybeT do
+    ke' <- lift $ runKeymanClient do
+            loadKeyRingEntries (HM.keys $ recipients gk)
+             <&> headMay
+
+    (_, KeyringEntry{..}) <- toMPlus ke'
+
+    toMPlus $ lookupGroupKey _krSk _krPk gk
+
+class HasGitOpts m where
+  debugEnabled :: m Bool
+  traceEnabled :: m Bool
+
+instance MonadReader GitEnv m => HasGitOpts m where
+  debugEnabled = asks _gitDebugEnabled
+  traceEnabled = asks _gitTraceEnabled
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/App/Types/GitEnv.hs

@@ -0,0 +1,53 @@
+{-# Language TemplateHaskell #-}
+{-# Language UndecidableInstances #-}
+module HBS2.Git.Client.App.Types.GitEnv where
+
+import HBS2.Git.Client.Prelude hiding (info)
+
+import HBS2.Git.Client.Progress
+
+import HBS2.Net.Auth.GroupKeySymm
+
+import Data.Config.Suckless
+import DBPipe.SQLite
+import Data.HashMap.Strict (HashMap)
+
+data ExportType = ExportNew
+                | ExportFork HashRef
+                | ExportInc
+                  deriving stock (Eq,Ord,Generic,Show)
+
+data ExportEncryption =
+    ExportPublic
+  | ExportPrivate FilePath
+  deriving stock (Eq,Ord,Generic,Show)
+
+type Config = [Syntax C]
+
+class Monad m => HasProgressIndicator m where
+  getProgressIndicator :: m AnyProgress
+
+class HasAPI api proto m where
+  getAPI :: m (ServiceCaller api proto)
+
+data GitEnv =
+  GitEnv
+  { _gitTraceEnabled :: Bool
+  , _gitDebugEnabled :: Bool
+  , _gitApplyHeads   :: Bool
+  , _gitExportType   :: ExportType
+  , _gitExportEnc    :: ExportEncryption
+  , _gitPath         :: FilePath
+  , _configPath      :: FilePath
+  , _config          :: Config
+  , _peerAPI         :: ServiceCaller PeerAPI UNIX
+  , _refLogAPI       :: ServiceCaller RefLogAPI UNIX
+  , _lwwRefAPI       :: ServiceCaller LWWRefAPI UNIX
+  , _storage         :: AnyStorage -- ServiceCaller StorageAPI UNIX
+  , _db              :: DBPipeEnv
+  , _progress        :: AnyProgress
+  , _keyringCache    :: TVar (HashMap HashRef [KeyringEntry HBS2Basic])
+  }
+
+
+makeLenses 'GitEnv

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/Config.hs

@@ -0,0 +1,89 @@
+module HBS2.Git.Client.Config (getConfigDir, readConfig, getManifest, hbs2Name) where
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Client.App.Types
+
+import HBS2.System.Dir
+import HBS2.Git.Local.CLI
+
+import Data.List qualified as L
+import Data.Text qualified as Text
+import Data.Either
+import Text.InterpolatedString.Perl6 (qc)
+
+
+data ConfigDirNotFound = ConfigDirNotFound
+                         deriving stock (Show,Typeable,Generic)
+
+instance HasErrorStatus ConfigDirNotFound where
+  getStatus = const Failed
+
+instance Exception ConfigDirNotFound
+
+hbs2Name :: String
+hbs2Name = "hbs21"
+
+getConfigDir :: GitPerks m => m FilePath
+getConfigDir = do
+  git <- gitDir >>= orThrow ConfigDirNotFound
+
+  let p = splitDirectories git & reverse
+
+  if headMay p == Just ".git" then
+    pure $ joinPath $ reverse (".hbs2-git" : drop 1 p)
+  else do
+    pure $ git </> ".hbs2-git"
+
+getManifest :: GitPerks m => m (Text, Text, Maybe Text)
+getManifest = do
+  dir <- getConfigDir
+  let mf = dir </> "manifest"
+
+  let defname = takeFileName (takeDirectory dir) & Text.pack
+  let defbrief = "n/a"
+
+  content <- liftIO (try @_ @IOException $ readFile mf)
+               <&> fromRight ""
+
+  let txt = if L.null content then Nothing else Just (Text.pack content)
+
+  -- FIXME: size-hardcode
+  let header  = lines (take 1024 content)
+                   & takeWhile ( not . L.null )
+                   & unlines
+                   & parseTop
+                   & fromRight mempty
+
+  let name = lastDef defname [ n | ListVal [ SymbolVal "name:", LitStrVal n ] <- header ]
+  let brief = lastDef defbrief [ n | ListVal [ SymbolVal "brief:", LitStrVal n ] <- header ]
+
+  pure (name,brief,txt)
+
+readConfig :: (GitPerks m) => Bool -> m Config
+readConfig canTouch = do
+{- HLINT ignore "Functor law" -}
+  confPath <- getConfigDir
+  let confRoot = confPath </> "config"
+
+  when canTouch do
+
+    here <- doesPathExist confRoot
+
+    unless here do
+      mkdir confPath
+      liftIO $ writeFile confRoot defConf
+
+  try @_ @SomeException (liftIO (readFile confRoot))
+    <&> fromRight mempty
+    <&> parseTop
+    <&> fromRight mempty
+
+
+defConf :: String
+defConf = [qc|;; hbs2-git config file
+; those branches will be replicated by default
+export include "refs/heads/master"
+export include "refs/heads/main"
+export exclude "refs/heads/*"
+export tags
+|]

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/Export.hs

@@ -0,0 +1,342 @@
+module HBS2.Git.Client.Export (export) where
+
+
+import HBS2.Git.Client.Prelude hiding (info)
+import HBS2.Git.Client.App.Types
+import HBS2.Git.Client.Config
+import HBS2.Git.Client.RefLog
+import HBS2.Git.Client.State
+import HBS2.Git.Client.Progress
+
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.Tx
+import HBS2.Git.Data.LWWBlock
+import HBS2.Git.Data.GK
+
+import HBS2.Git.Local.CLI
+
+import HBS2.KeyMan.Keys.Direct
+
+import HBS2.OrDie
+import HBS2.Storage.Operations.ByteString
+import HBS2.System.Dir
+
+import Text.InterpolatedString.Perl6 (qc)
+import Data.Text qualified as Text
+import Data.ByteString.Lazy.Char8 qualified as LBS8
+import Data.ByteString.Char8 qualified as BS8
+import Data.ByteString.Lazy qualified as LBS
+import Data.ByteString.Builder as B
+import Data.HashSet qualified as HashSet
+import Data.HashMap.Strict qualified as HashMap
+import Data.Maybe
+import Data.List qualified as L
+import Data.Ord (comparing)
+import Data.Either
+
+data ExportError = ExportUnsupportedOperation
+                 | ExportBundleCreateError
+                   deriving stock (Show,Typeable)
+
+instance Exception ExportError
+
+instance HasErrorStatus ExportError where
+  getStatus = \case
+    ExportUnsupportedOperation -> Failed
+    ExportBundleCreateError -> Failed
+
+instance ToFilePath (GitRef, GitHash) where
+  toFilePath (g, r) = show (pretty g)
+
+{-# ANN module "HLint: ignore Eta reduce" #-}
+filterPat :: ToFilePath a =>  [FilePattern] -> [FilePattern] -> [a] -> [a]
+filterPat inc excl refs = filter check refs
+  where
+    check r = i || not e
+     where
+       e = not $ L.null $ catMaybes [ match p (toFilePath r) | p <- excl ]
+       i = not $ L.null $ catMaybes [ match p (toFilePath r) | p <- inc  ]
+
+refsForExport :: (MonadReader GitEnv m, MonadIO m) => [(GitRef, Maybe GitHash)] -> m [(GitRef,GitHash)]
+
+refsForExport forPushL = do
+{- HLINT ignore "Functor law" -}
+
+  conf <- asks _config
+  path <- asks _gitPath
+
+  let tags = headDef mempty [ "--tags" :: String | (ListVal [SymbolVal "export", SymbolVal "tags"] ) <- conf]
+
+  let incl = [ Text.unpack p
+             | (ListVal [SymbolVal "export", SymbolVal "include", LitStrVal p]) <- conf
+             ]
+
+  let excl = [ Text.unpack p
+             | (ListVal [SymbolVal "export", SymbolVal "exclude", LitStrVal p]) <- conf
+             ]
+
+  let forPush = [ (k,v) | (k, Just v) <- forPushL ] & HashMap.fromList
+
+  let deleted = [ k | (k, Nothing) <- forPushL ] & HashSet.fromList
+
+  debug $ red "CONF" <> pretty path <> line <> indent 2 (vcat (fmap pretty conf))
+
+  let cmd = [qc|git --git-dir={path} show-ref {tags} --heads --head|]
+
+  debug $ red "CMD" <+> pretty cmd
+  debug $ "FILTERS" <+> pretty (incl, excl)
+  debug $ red "DELETED" <+> pretty (HashSet.toList deleted)
+  debug $ red "FOR-PUSH" <+> pretty (HashMap.toList forPush)
+
+  -- мы экспортируем всегда HEAD что бы правильно работал git clone
+  -- поэтому мы экспортируем и текущий бранч тоже
+  -- даже если он запрещён фильтрами
+
+  currentBranch <- gitRunCommand [qc|git --git-dir={path} symbolic-ref HEAD|]
+                     >>= orThrowUser "can't read HEAD 1"
+                     <&> GitRef . BS8.strip . LBS8.toStrict
+
+  currentVal <- gitRunCommand [qc|git --git-dir={path} rev-parse {pretty currentBranch}|]
+                  >>= orThrowUser "can't read HEAD 2"
+                  <&> (BS8.unpack . BS8.strip . LBS8.toStrict)
+                  <&> fromStringMay @GitHash
+                  >>= orThrowUser "invalid git hash for HEAD"
+
+  gitRunCommand cmd
+    >>= orThrowUser ("can't read git repo" <+> pretty path)
+    <&> LBS8.lines
+    <&> fmap LBS8.words
+    <&> mapMaybe \case
+         [val,name] -> (GitRef (LBS8.toStrict name),) <$> fromStringMay @GitHash (LBS8.unpack val)
+         _          -> Nothing
+    <&> filterPat incl excl
+    <&> HashMap.fromList
+    <&> HashMap.filterWithKey (\k _ -> not (HashSet.member k deleted))
+    <&> mappend forPush
+    <&> mappend (HashMap.singleton currentBranch currentVal)
+    <&> HashMap.toList
+    <&> L.sortBy orderRefs
+
+  where
+    orderRefs (GitRef "HEAD", _) _ = LT
+    orderRefs _ (GitRef "HEAD", _) = GT
+    orderRefs x y = comparing fst x y
+
+loadNewGK0 :: (MonadIO m, MonadReader GitEnv m)
+           => RefLogId
+           -> Maybe HashRef
+           -> m (Maybe (HashRef,Epoch))
+
+loadNewGK0 r = \case
+  Nothing -> storeNewGK0
+
+  Just tx0 -> do
+    href <- storeNewGK0
+    withState do
+      for_ href (insertNewGK0 r tx0 . fst)
+      commitAll
+
+    withState $ selectNewGK0 r
+
+storeNewGK0 :: (MonadIO m, MonadReader GitEnv m) => m (Maybe (HashRef,Epoch))
+storeNewGK0 = do
+  sto <- asks _storage
+  enc <- asks _gitExportEnc
+  runMaybeT do
+    gkf <- headMay [ f | ExportPrivate f <- [enc] ] & toMPlus
+    gk <- loadGK0FromFile gkf >>= toMPlus
+    epoch <- getEpoch
+    writeAsMerkle sto (serialise gk) <&> HashRef <&> (,epoch)
+
+export :: ( GitPerks m
+          , MonadReader GitEnv m
+          , GroupKeyOperations m
+          , HasAPI PeerAPI UNIX m
+          )
+       => LWWRefKey HBS2Basic
+       -> [(GitRef,Maybe GitHash)]
+       -> m ()
+export key refs  = do
+
+  git <- asks _gitPath
+  sto <- asks _storage
+  new <- asks _gitExportType <&> (== ExportNew)
+  reflog <- asks _refLogAPI
+  ip <- asks _progress
+
+  subscribeLWWRef key
+
+  (lww, LWWBlockData{..}) <- waitOrInitLWWRef
+
+  let puk0 = fromLwwRefKey key
+
+  debug $ red $ pretty $ AsBase58 lwwRefLogPubKey
+
+  (sk0,pk0) <- liftIO $ runKeymanClient do
+                creds <- loadCredentials puk0
+                             >>= orThrowUser ("can't load credentials" <+> pretty (AsBase58 puk0))
+                pure ( view peerSignSk  creds, view peerSignPk creds )
+
+  (puk,sk) <- derivedKey @HBS2Basic @'Sign lwwRefSeed sk0
+
+  subscribeRefLog puk
+
+  myrefs <- refsForExport refs
+
+  let myrefsKey = L.sortOn fst myrefs & serialise & hashObject @HbSync & HashRef
+
+  flip runContT pure do
+    callCC \exit -> do
+
+
+      tx0 <- getLastAppliedTx
+
+      rh0 <- runMaybeT ( toMPlus tx0 >>= readRepoHeadFromTx sto >>= toMPlus )
+
+      (name,brief,mf) <- lift getManifest
+
+      gk0new0 <- loadNewGK0 puk tx0
+
+      let gk0old = _repoHeadGK0 =<< rh0
+
+      mbTxTime0 <- runMaybeT $ toMPlus tx0
+                                >>= withState .selectTxForRefLog puk
+                                >>= toMPlus
+
+      -- смотрим, какое время ключа для данного рефлога, т.к. голова-то
+      -- может быть одна, а вот рефлоги -- разные
+      -- если мы успели --- то накатываем свой ключ.
+      -- если нет -- придется повторить
+      let gk0new = if (snd <$> gk0new0) > (snd <$> mbTxTime0) then
+                     fst <$> gk0new0
+                   else
+                     gk0old
+
+      let gk0 = gk0new <|> gk0old
+
+      repohead <- makeRepoHeadSimple name brief mf gk0 myrefs
+
+      let oldRefs = maybe mempty _repoHeadRefs rh0
+
+      trace $ "TX0" <+> pretty  tx0
+
+      bss <- maybe (pure mempty) txBundles tx0
+
+      objs <- lift enumAllGitObjects
+                >>= withState . filterM (notInTx tx0)
+
+      when (null objs && not new && oldRefs == myrefs) do
+        exit ()
+
+      debug $ red "REFS-FOR-EXPORT:" <+> pretty myrefs
+
+      done <- withState (selectBundleByKey puk myrefsKey)
+
+      out <-
+        if isJust done && not new then do
+          pure []
+
+        else do
+
+          p <- ContT $ withGitPack
+
+          for_ (zip [1..] objs) $ \(n,o) -> do
+            onProgress ip (ExportWriteObject (Progress n Nothing))
+            liftIO $ LBS8.hPutStrLn (getStdin p) (LBS8.pack $ show $ pretty o)
+
+          code <- hFlush (getStdin p) >> hClose (getStdin p) >> getExitCode p
+
+          let idx = serialise objs
+          let size = B.word32BE (fromIntegral $ LBS.length idx)
+          let hdr  = B.word32BE 1
+          pack <- liftIO $ LBS.hGetContents (getStdout p)
+          let out = B.toLazyByteString ( size <> hdr <> B.lazyByteString idx <> B.lazyByteString pack )
+          pure [out]
+
+      rank <- getEpoch <&> fromIntegral
+
+      let rw = gk0new /= gk0old
+
+      debug $ red "MAKE TX" <+> pretty rw <+> pretty gk0old <+> "->" <+> pretty gk0new
+
+      tx <- lift $ makeTx sto rw rank puk (const $ pure (Just sk)) repohead bss out
+
+      r <- lift $ race (pause @'Seconds 1) (callService @RpcRefLogPost reflog tx)
+             >>= orThrowUser "hbs2-peer rpc timeout"
+
+      when (isLeft r) $ exit ()
+
+      void $ runMaybeT do
+        (_,_,bh) <- unpackTx tx
+        withState (insertBundleKey puk myrefsKey bh)
+
+  where
+
+    findSK pk = liftIO $ runKeymanClient $ runMaybeT do
+        creds  <- lift (loadCredentials pk) >>= toMPlus
+        pure (view peerSignSk creds)
+
+    waitOrInitLWWRef  = do
+      sto <- asks _storage
+      new <- asks _gitExportType <&> (== ExportNew)
+
+      flip fix 3 $ \next n -> do
+               blk <- readLWWBlock sto key
+
+               case blk of
+                Just x -> pure x
+
+                Nothing | new && n > 0 -> do
+                  _ <- runExceptT (initLWWRef sto Nothing findSK key)
+                        >>= either ( throwIO . userError . show ) pure
+
+                  next (pred n)
+
+                        | otherwise -> do
+                  -- FIXME: detailed-error-description
+                  orThrowUser "lwwref not available" Nothing
+
+
+    notInTx Nothing _ = pure True
+    notInTx (Just tx0) obj = not <$> isObjectInTx tx0 obj
+
+    getLastAppliedTx = runMaybeT do
+      (tx0,_) <- withState selectMaxAppliedTx
+                    >>= toMPlus
+      pure tx0
+
+    txBundles tx0 = withDef =<< runMaybeT do
+
+      new <- asks _gitExportType <&> (== ExportNew)
+      sto <- asks _storage
+
+      txbody  <- runExceptT (readTx sto tx0)
+                   >>= orThrowUser ("missed blocks for tx" <+> pretty tx0)
+
+      let bref = view _4 txbody
+
+      readBundleRefs sto bref
+        >>= orThrowUser ("missed blocks for tx" <+> pretty tx0)
+
+      where
+        withDef Nothing = pure mempty
+        withDef (Just x) = pure x
+
+enumAllGitObjects :: (GitPerks m, MonadReader GitEnv m) => m [GitHash]
+enumAllGitObjects = do
+  path <- asks _gitPath
+  let rcmd = [qc|git --git-dir {path} cat-file --batch-check='%(objectname)'  --batch-all-objects|]
+  (_, out, _) <- liftIO $ readProcess (shell rcmd)
+  pure $ LBS8.lines out & mapMaybe (fromStringMay @GitHash . LBS8.unpack)
+
+
+withGitPack ::  (GitPerks m, MonadReader GitEnv m) => (Process Handle Handle () -> m a) -> m a
+withGitPack action = do
+  fp <- asks _gitPath
+  let cmd = "git"
+  let args = ["--git-dir", fp, "pack-objects", "--stdout", "-q"]
+  let config = setStdin createPipe $ setStdout createPipe $ setStderr closed $ proc cmd args
+  p <- startProcess config
+  action p
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/Import.hs

@@ -0,0 +1,394 @@
+module HBS2.Git.Client.Import where
+
+import HBS2.Git.Client.Prelude hiding (info)
+import HBS2.Git.Client.App.Types
+import HBS2.Git.Client.State
+import HBS2.Git.Client.RefLog
+import HBS2.Git.Client.Progress
+
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.Tx
+import HBS2.Git.Data.LWWBlock
+
+import Data.ByteString.Lazy qualified as LBS
+
+import Data.HashMap.Strict (HashMap)
+import Data.HashMap.Strict qualified as HM
+import Text.InterpolatedString.Perl6 (qc)
+import Streaming.Prelude qualified as S
+import System.IO (hPrint)
+import Data.Maybe
+
+data ImportRefLogNotFound = ImportRefLogNotFound
+                            deriving stock (Typeable,Show)
+
+instance Exception ImportRefLogNotFound
+
+
+data ImportTxApplyError = ImportTxApplyError HashRef
+                          deriving stock (Typeable,Show)
+
+
+instance Exception ImportTxApplyError
+
+
+data ImportTxError =
+    ImportTxReadError HashRef
+  | ImportOpError OperationError
+  | ImportUnbundleError HashRef
+  | ImportMissed HashRef
+  deriving stock (Typeable)
+
+instance Show ImportTxError where
+  show (ImportTxReadError h) = [qc|ImportTxError {pretty h}|]
+  show (ImportOpError o) = show o
+  show (ImportUnbundleError h) = [qc|ImportUnbundleError {pretty h}|]
+  show (ImportMissed h) = [qc|ImportMissed {pretty h}|]
+
+instance Exception ImportTxError
+
+data IState =
+    IWaitLWWBlock Int
+  | IWaitRefLog Int RefLogId
+  | IScanRefLog RefLogId HashRef
+  | IApplyTx HashRef
+  | IExit
+
+
+-- class
+
+merelySubscribeRepo :: forall e s m . ( GitPerks m
+                                      , HasStorage m
+                                      , HasProgressIndicator m
+                                      , HasAPI PeerAPI UNIX m
+                                      , HasAPI LWWRefAPI UNIX m
+                                      , HasAPI RefLogAPI UNIX m
+                                      , e ~ L4Proto
+                                      , s ~ Encryption e
+                                      )
+                    => LWWRefKey HBS2Basic
+                    -> m (Maybe (PubKey 'Sign s))
+merelySubscribeRepo lwwKey = do
+
+  ip  <- getProgressIndicator
+  sto <- getStorage
+
+  subscribeLWWRef lwwKey
+  fetchLWWRef lwwKey
+
+  r <- flip fix (IWaitLWWBlock 10) $ \next -> \case
+
+    IWaitLWWBlock w | w <= 0 -> do
+      throwIO ImportRefLogNotFound
+
+    IWaitLWWBlock w -> do
+      onProgress ip (ImportWaitLWW w lwwKey)
+      lww <- readLWWBlock sto lwwKey
+
+      case lww of
+        Nothing -> do
+          pause @'Seconds 2
+          fetchLWWRef lwwKey
+          next (IWaitLWWBlock (pred w))
+
+        Just (_, LWWBlockData{..}) -> do
+          void $ try @_ @SomeException (getRefLogMerkle lwwRefLogPubKey)
+          subscribeRefLog lwwRefLogPubKey
+          pause @'Seconds 0.25
+          pure $ Just lwwRefLogPubKey
+
+    _ -> pure Nothing
+
+  onProgress ip ImportAllDone
+  pure r
+
+importRepoWait :: ( GitPerks m
+                  , MonadReader GitEnv m
+                  , HasAPI PeerAPI UNIX m
+                  , HasAPI LWWRefAPI UNIX m
+                  , HasAPI RefLogAPI UNIX m
+                  )
+               => LWWRefKey HBS2Basic
+               -> m ()
+
+importRepoWait lwwKey = do
+
+  env <- ask
+
+  ip  <- asks _progress
+  sto <- asks _storage
+
+  meet <- newTVarIO (mempty :: HashMap HashRef Int)
+
+  subscribeLWWRef lwwKey
+
+  fetchLWWRef lwwKey
+
+  flip fix (IWaitLWWBlock 20) $ \next -> \case
+
+    IWaitLWWBlock w | w <= 0 -> do
+      throwIO ImportRefLogNotFound
+
+    IWaitLWWBlock w -> do
+      onProgress ip (ImportWaitLWW w lwwKey)
+      lww <- readLWWBlock sto lwwKey
+
+      case lww of
+        Nothing -> do
+          pause @'Seconds 2
+          fetchLWWRef lwwKey
+          next (IWaitLWWBlock (pred w))
+
+        Just (LWWRef{..}, LWWBlockData{..}) -> do
+
+          withState do
+            insertLww lwwKey lwwSeq lwwRefLogPubKey
+
+          void $ try @_ @SomeException (getRefLogMerkle lwwRefLogPubKey)
+          subscribeRefLog lwwRefLogPubKey
+          pause @'Seconds 0.25
+          getRefLogMerkle lwwRefLogPubKey
+          next (IWaitRefLog 20 lwwRefLogPubKey)
+
+    IWaitRefLog w puk | w <= 0 -> do
+      throwIO ImportRefLogNotFound
+
+    IWaitRefLog w puk -> do
+      onProgress ip (ImportRefLogStart puk)
+      try @_ @SomeException (getRefLogMerkle puk) >>= \case
+        Left _ -> do
+          onProgress ip (ImportRefLogDone puk Nothing)
+          pause @'Seconds 2
+          next (IWaitRefLog (pred w) puk)
+
+        Right Nothing -> do
+          onProgress ip (ImportRefLogDone puk Nothing)
+          pause @'Seconds 2
+          next (IWaitRefLog (pred w) puk)
+
+        Right (Just h) -> do
+          onProgress ip (ImportRefLogDone puk (Just h))
+          next (IScanRefLog puk h)
+
+    IScanRefLog puk h -> do
+      scanRefLog puk h
+      withState (selectMaxSeqTxNotDone puk) >>= \case
+        Just tx -> next (IApplyTx tx)
+        Nothing -> do
+          hasAnyTx <- withState existsAnyTxDone
+
+          if hasAnyTx then -- existing repo, is' a fetch
+             next IExit
+          else do
+            void $ race (pause @'Seconds 10) do
+                    forever do
+                      onProgress ip (ImportWaitTx h)
+                      pause @'Seconds 0.25
+
+            next (IScanRefLog puk h)
+
+    IApplyTx h -> do
+      onProgress ip (ImportApplyTx h)
+
+      r <- runExceptT (applyTx h)
+             `catch` \case
+               ImportUnbundleError{}  -> pure (Left IncompleteData)
+               _ -> throwIO (userError "tx apply / state read error")
+
+
+      case r of
+
+        Left MissedBlockError -> do
+          next =<< repeatOrExit
+
+        Left IncompleteData -> do
+          atomically $ modifyTVar meet (HM.insertWith (+) h 1)
+          onProgress ip (ImportApplyTxError h (Just "read/decrypt"))
+          attempts <- readTVarIO meet <&> fromMaybe 0 . HM.lookup h
+
+          when (attempts >= 10 ) do
+            throwIO (ImportTxApplyError h)
+
+          next =<< repeatOrExit
+
+        Left e  -> do
+          err (line <> red (viaShow e))
+          throwIO (userError "tx apply / state read error")
+
+        Right{} -> next IExit
+
+    IExit -> do
+      onProgress ip (ImportSetQuiet True)
+      onProgress ip ImportAllDone
+
+
+  where
+    repeatOrExit = do
+      hasAnyTx <- withState existsAnyTxDone
+      if hasAnyTx then do
+        pure IExit
+      else do
+        pause @'Seconds 2
+        pure (IWaitLWWBlock 5)
+
+scanRefLog :: (GitPerks m, MonadReader GitEnv m)
+           => RefLogId
+           -> HashRef
+           -> m ()
+
+scanRefLog puk rv = do
+  sto <- asks _storage
+  ip   <- asks _progress
+  env  <- ask
+
+  txs <- S.toList_ $ do
+            walkMerkle @[HashRef] (fromHashRef rv) (getBlock sto) $ \case
+              Left he   -> do
+                err $ red "missed block" <+> pretty he
+
+              Right hxs -> do
+                for_ hxs $ \htx -> do
+                  here <- lift (withState (existsTx htx))
+                  unless here (S.yield htx)
+
+  tx <- liftIO $ S.toList_ $ do
+           for_ txs $ \tx -> do
+             onProgress ip (ImportScanTx tx)
+             runExceptT (readTx sto tx <&> (tx,))
+               >>= either (const none) S.yield
+
+  withState $ transactional do
+    for_ tx $ \(th,(n,rhh,rh,bundleh)) -> do
+      -- notice $ red "TX" <+> pretty th <+> pretty n
+      insertTx puk th n rhh bundleh
+
+
+applyTx :: (GitPerks m, MonadReader GitEnv m, MonadError OperationError m)
+        => HashRef
+        -> m ()
+
+applyTx h = do
+  sto <- asks _storage
+  (n,rhh,r,bunh) <- readTx sto h
+
+  bundles <- readBundleRefs sto bunh
+                >>= orThrowError IncompleteData
+
+  trace $ red "applyTx" <+> pretty h <+> pretty h <+> pretty bundles
+
+  withState $ transactional do
+
+    applyBundles r bundles
+
+    app <- lift $ asks (view gitApplyHeads)
+
+    when app do
+      lift $ applyHeads r
+
+    insertTxDone h
+
+  where
+
+    applyHeads rh = do
+
+      let refs = _repoHeadRefs rh
+
+      withGitFastImport $ \ps -> do
+        let psin = getStdin ps
+
+        for_ refs $ \(r,v) -> do
+          unless (r == GitRef "HEAD") do
+            liftIO $ hPrint psin $
+              "reset" <+> pretty r <> line <> "from" <+> pretty v <> line
+
+        hClose psin
+        code <- waitExitCode ps
+
+        trace $ red "git fast-import status" <+> viaShow code
+        pure ()
+
+    applyBundles r bundles = do
+      env <- lift ask
+      sto <- lift $ asks _storage
+      ip  <- lift $ asks _progress
+
+      -- withState $ do
+      for_ (zip [0..] bundles) $ \(n,bu) -> do
+
+        insertTxBundle h n bu
+
+        here <- existsBundleDone bu
+
+        unless here do
+
+          BundleWithMeta meta bytes <- lift (runExceptT $ readBundle sto r bu)
+                                          >>=  orThrow (ImportUnbundleError bu)
+
+          (_,_,idx,lbs) <- unpackPackMay bytes
+                             &  orThrow (ImportUnbundleError bu)
+
+          trace $ red "reading bundle" <+> pretty bu -- <+> pretty (LBS.length lbs)
+
+          for_ idx $ \i -> do
+            insertBundleObject bu i
+
+          let chunks = LBS.toChunks lbs
+
+          void $ liftIO $ withGitEnv env $ withGitUnpack $ \p -> do
+             let pstdin = getStdin p
+             for_ (zip [1..] chunks) $ \(i,chu) -> do
+               onProgress ip (ImportReadBundleChunk meta (Progress i Nothing))
+               liftIO $ LBS.hPutStr pstdin (LBS.fromStrict chu)
+
+             hFlush pstdin >> hClose pstdin
+
+             code <- waitExitCode p
+
+             trace $ "unpack objects done:" <+> viaShow code
+
+          insertBundleDone bu
+
+
+withGitFastImport :: (MonadUnliftIO m, MonadReader GitEnv m)
+                  => (Process Handle Handle () -> m a)
+                  -> m ()
+withGitFastImport action = do
+  fp <- asks _gitPath
+  let cmd = "git"
+  let args = ["--git-dir", fp, "fast-import"]
+  -- let config = setStdin createPipe $ setStdout createPipe $ setStderr closed $ proc cmd args
+
+  trc <- asks traceEnabled >>= \case
+                True -> pure id
+                False -> pure $ setStdout closed . setStderr closed
+
+  let pconfig = setStdin createPipe $ setStdout createPipe $ trc $ proc cmd args
+  p <- startProcess pconfig
+  void $ action p
+  stopProcess p
+
+withGitUnpack :: (MonadUnliftIO m, MonadReader GitEnv m)
+               =>  (Process Handle Handle () -> m a) -> m a
+withGitUnpack action = do
+  fp <- asks _gitPath
+  let cmd = "git"
+  let args = ["--git-dir", fp, "unpack-objects", "-q"]
+
+  trc <- asks traceEnabled >>= \case
+                True -> pure id
+                False -> pure $ setStdout closed . setStderr closed
+
+  let pconfig = setStdin createPipe $ setStdout createPipe $ trc $ proc cmd args
+  p <- startProcess pconfig
+  action p
+
+
+gitPrune :: (MonadUnliftIO m, MonadReader GitEnv m)
+         => m ()
+gitPrune = do
+ fp <- asks _gitPath
+ let cmd = [qc|git --git-dir={fp} prune|]
+ runProcess_ (shell cmd & setStderr closed & setStdout closed)
+ pure ()
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/Prelude.hs

@@ -0,0 +1,92 @@
+module HBS2.Git.Client.Prelude
+  ( module HBS2.Prelude.Plated
+  , module HBS2.Base58
+  , module HBS2.Clock
+  , module HBS2.Hash
+  , module HBS2.Data.Types.Refs
+  , module HBS2.Net.Auth.Credentials
+  , module HBS2.Merkle
+  , module HBS2.Storage
+  , module HBS2.Net.Messaging.Unix
+  , module HBS2.OrDie
+  , module HBS2.Misc.PrettyStuff
+  , module HBS2.System.Logger.Simple.ANSI
+
+  -- peer
+  , module HBS2.Net.Proto.Service
+  , module HBS2.Peer.Proto.LWWRef
+  , module HBS2.Peer.RPC.API.Peer
+  , module HBS2.Peer.RPC.API.RefLog
+  , module HBS2.Peer.RPC.API.LWWRef
+  , module HBS2.Peer.RPC.API.Storage
+  , module HBS2.Peer.RPC.Client.StorageClient
+
+  , module Control.Applicative
+  , module Control.Monad.Reader
+  , module Control.Monad.Trans.Cont
+  , module Control.Monad.Trans.Maybe
+  , module System.Process.Typed
+  , module Control.Monad.Except
+  , module Lens.Micro.Platform
+  , module UnliftIO
+
+  , getSocketName
+  , formatRef
+  , deserialiseOrFail
+  ) where
+
+import HBS2.Prelude.Plated hiding (at)
+import HBS2.Base58
+import HBS2.Clock
+
+import HBS2.Peer.Proto
+
+import HBS2.Hash
+import HBS2.Data.Types.Refs
+import HBS2.Net.Auth.Credentials
+import HBS2.Merkle
+import HBS2.Storage
+import HBS2.OrDie
+import HBS2.Misc.PrettyStuff
+import HBS2.System.Logger.Simple.ANSI
+
+import HBS2.Net.Messaging.Unix
+import HBS2.Net.Proto.Service
+
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Peer.RPC.API.Peer
+import HBS2.Peer.RPC.API.RefLog
+import HBS2.Peer.RPC.API.LWWRef
+import HBS2.Peer.RPC.API.Storage
+import HBS2.Peer.RPC.Client.StorageClient
+
+import HBS2.Peer.CLI.Detect
+
+import Control.Applicative
+import Control.Monad.Trans.Cont
+import Control.Monad.Reader
+import Control.Monad.Except
+import Control.Exception
+import Control.Monad.Trans.Maybe
+import UnliftIO
+import System.Process.Typed
+import Lens.Micro.Platform
+import Codec.Serialise
+
+data RPCNotFoundError = RPCNotFoundError
+                        deriving stock (Show,Typeable)
+
+
+instance Exception RPCNotFoundError
+
+instance HasErrorStatus RPCNotFoundError where
+  getStatus = const Failed
+
+getSocketName :: forall m . (MonadUnliftIO m, MonadError RPCNotFoundError m) => m FilePath
+getSocketName = do
+  detectRPC >>= maybe (throwError RPCNotFoundError) pure
+
+
+formatRef :: (Pretty a1, Pretty a2) => (a1, a2) -> Doc ann
+formatRef (r,h) = pretty h <+> pretty r
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/Progress.hs

@@ -0,0 +1,55 @@
+{-# Language TemplateHaskell #-}
+{-# Language AllowAmbiguousTypes #-}
+module HBS2.Git.Client.Progress where
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.LWWBlock
+
+import HBS2.Git.Data.Tx
+
+data Progress a =
+  Progress
+  { _progressState :: a
+  , _progressTotal :: Maybe a
+  }
+  deriving (Eq,Generic)
+
+makeLenses 'Progress
+
+class HasProgress a where
+  onProgress :: MonadIO m => a -> ProgressEvent -> m ()
+
+data ProgressEvent =
+    ImportIdle
+  | ImportWaitLWW Int (LWWRefKey HBS2Basic)
+  | ImportRefLogStart RefLogId
+  | ImportRefLogDone  RefLogId (Maybe HashRef)
+  | ImportWaitTx HashRef
+  | ImportScanTx HashRef
+  | ImportApplyTx HashRef
+  | ImportApplyTxError HashRef (Maybe String)
+  | ImportReadBundleChunk BundleMeta (Progress Int)
+  | ImportSetQuiet Bool
+  | ImportAllDone
+  | ExportWriteObject (Progress Int)
+
+
+data AnyProgress = forall a . HasProgress a => AnyProgress a
+
+instance HasProgress AnyProgress where
+  onProgress (AnyProgress e) = onProgress e
+
+instance HasProgress () where
+  onProgress _ _ = pure ()
+
+newtype ProgressQ = ProgressQ (TQueue ProgressEvent)
+
+instance HasProgress ProgressQ where
+  onProgress (ProgressQ q) ev = atomically (writeTQueue q ev)
+
+newProgressQ :: MonadUnliftIO m => m ProgressQ
+newProgressQ = ProgressQ <$> newTQueueIO
+
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/RefLog.hs

@@ -0,0 +1,54 @@
+module HBS2.Git.Client.RefLog
+  ( module HBS2.Git.Client.RefLog
+  , module HBS2.Peer.Proto.RefLog
+  ) where
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Client.App.Types
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.LWWBlock
+import HBS2.Peer.Proto.RefLog
+
+data RefLogRequestTimeout = RefLogRequestTimeout
+                            deriving (Show,Typeable)
+
+data RefLogRequestError = RefLogRequestError
+                            deriving (Show,Typeable)
+
+instance Exception RefLogRequestTimeout
+
+instance Exception RefLogRequestError
+
+doSomeRandomShit :: HasAPI PeerAPI UNIX m => m ()
+doSomeRandomShit = error "FUCK"
+
+subscribeRefLog :: forall m .(GitPerks m, HasAPI PeerAPI UNIX m) => RefLogId -> m ()
+subscribeRefLog puk = do
+  api <- getAPI @PeerAPI @UNIX
+  void $ callService @RpcPollAdd api (puk, "reflog", 13)
+
+subscribeLWWRef :: forall m . (GitPerks m, HasAPI PeerAPI UNIX m) => LWWRefKey HBS2Basic -> m ()
+subscribeLWWRef puk = do
+  api <- getAPI @PeerAPI @UNIX
+  void $ callService @RpcPollAdd api (fromLwwRefKey puk, "lwwref", 17)
+
+fetchLWWRef :: forall m . (GitPerks m, HasAPI LWWRefAPI UNIX m) => LWWRefKey HBS2Basic -> m ()
+fetchLWWRef key = do
+  api <- getAPI @LWWRefAPI @UNIX
+  void $ race (pause @'Seconds 1) (callService @RpcLWWRefFetch api key)
+
+getRefLogMerkle :: forall m . (GitPerks m, HasAPI RefLogAPI UNIX m) => RefLogId -> m (Maybe HashRef)
+getRefLogMerkle puk = do
+
+  api <- getAPI @RefLogAPI @UNIX
+
+  void $ race (pause @'Seconds 1) (callService @RpcRefLogFetch api puk)
+          >>= orThrow RefLogRequestTimeout
+          >>= orThrow RefLogRequestError
+
+  race (pause @'Seconds 1) (callService @RpcRefLogGet api puk)
+    >>= orThrow RefLogRequestTimeout
+    >>= orThrow RefLogRequestError
+
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Client/State.hs

@@ -0,0 +1,382 @@
+{-# Language UndecidableInstances #-}
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+module HBS2.Git.Client.State
+  ( module HBS2.Git.Client.State
+  , transactional
+  , commitAll
+  ) where
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Client.App.Types
+import HBS2.Git.Client.Config
+
+import HBS2.Peer.Proto.RefLog
+
+import HBS2.Git.Data.RefLog
+import HBS2.Git.Data.LWWBlock
+
+import DBPipe.SQLite
+import Data.Maybe
+import Data.List qualified as List
+import Text.InterpolatedString.Perl6 (qc)
+import Data.Word
+
+newtype Base58Field a = Base58Field { fromBase58Field :: a }
+                        deriving stock (Eq,Ord,Generic)
+
+instance Pretty (AsBase58 a) => ToField (Base58Field a) where
+  toField (Base58Field x) = toField @String (show $ pretty (AsBase58 x))
+
+instance IsString a => FromField (Base58Field a) where
+  fromField = fmap (Base58Field . fromString) . fromField @String
+
+instance FromField (RefLogKey HBS2Basic) where
+  fromField = fmap fromString . fromField @String
+
+instance ToField HashRef where
+  toField h = toField @String (show $ pretty h)
+
+instance FromField HashRef where
+  fromField = fmap fromString . fromField @String
+
+instance ToField GitHash where
+  toField h = toField (show $ pretty h)
+
+instance ToField GitRef where
+  toField h = toField (show $ pretty h)
+
+instance FromField GitRef where
+  fromField = fmap fromString . fromField @String
+
+instance FromField GitHash where
+  fromField = fmap fromString . fromField @String
+
+instance FromField (LWWRefKey HBS2Basic) where
+  fromField = fmap fromString . fromField @String
+
+createStateDir :: (GitPerks m, MonadReader GitEnv m)  => m ()
+createStateDir = do
+  void $ readConfig True
+
+initState :: (GitPerks m, MonadReader GitEnv m) => m ()
+initState = do
+  createStateDir
+  evolveDB
+
+class WithState m a where
+  withState :: DBPipeM m a -> m a
+
+instance (MonadIO m, MonadReader GitEnv m) => WithState m a where
+  withState action = do
+    env <-  asks _db
+    withDB env action
+
+
+evolveDB :: (GitPerks m, MonadReader GitEnv m) => m ()
+evolveDB = withState do
+  createTxTable
+  createTxDoneTable
+  createTxBundleTable
+  createBundleDoneTable
+  createBundleKeyTable
+  createBundleObjectTable
+  createNewGK0Table
+  createLwwTable
+  commitAll
+
+createTxTable :: MonadIO m => DBPipeM m ()
+createTxTable = do
+  ddl [qc|
+create table if not exists tx
+  ( reflog   text not null
+  , tx       text not null
+  , seq      int not null
+  , head     text not null
+  , bundle   text not null
+  , primary key (reflog,tx)
+  )
+  |]
+
+  ddl [qc|
+CREATE INDEX IF NOT EXISTS idx_tx_seq ON tx(seq)
+  |]
+
+
+createTxDoneTable :: MonadIO m => DBPipeM m ()
+createTxDoneTable = do
+  ddl [qc|
+create table if not exists txdone
+  ( tx text not null primary key
+  )
+  |]
+
+createBundleDoneTable :: MonadIO m => DBPipeM m ()
+createBundleDoneTable = do
+  ddl [qc|
+create table if not exists bundledone
+  ( hash text primary key
+  )
+  |]
+
+createBundleKeyTable :: MonadIO m => DBPipeM m ()
+
+createBundleKeyTable = do
+  ddl [qc|
+create table if not exists bundlekey
+  ( reflog text not null
+  , key text not null
+  , bundle text not null
+  , primary key (reflog, key)
+  )
+  |]
+
+
+createTxBundleTable :: MonadIO m => DBPipeM m ()
+createTxBundleTable = do
+  ddl [qc|
+create table if not exists txbundle
+  ( tx text not null
+  , num integer not null
+  , bundle text not null
+  , primary key (tx, num)
+  )
+  |]
+
+createBundleObjectTable :: MonadIO m => DBPipeM m ()
+createBundleObjectTable = do
+  ddl [qc|
+create table if not exists bundleobject
+  ( bundle text not null
+  , object text not null
+  , primary key (bundle, object)
+  )
+  |]
+
+createNewGK0Table :: MonadIO m => DBPipeM m ()
+createNewGK0Table = do
+  ddl [qc|
+create table if not exists newgk0
+  ( reflog     text not null
+  , tx         text not null
+  , ts         int  not null default (strftime('%s','now'))
+  , gk0        text not null
+  , primary key (reflog,tx)
+  )
+  |]
+
+
+createLwwTable :: MonadIO m => DBPipeM m ()
+createLwwTable = do
+  ddl [qc|
+create table if not exists lww
+  ( hash      text not null
+  , seq       int not null
+  , reflog    text not null
+  , primary key (hash,seq,reflog)
+  )
+  |]
+
+
+existsTx :: MonadIO m => HashRef -> DBPipeM m Bool
+existsTx txHash = do
+  select @(Only Bool) [qc|
+SELECT true FROM tx WHERE tx = ? LIMIT 1
+  |] (Only txHash)
+  <&> not . List.null
+
+insertTx :: MonadIO m
+         => RefLogId
+         -> HashRef
+         -> Integer
+         -> HashRef
+         -> HashRef
+         -> DBPipeM m ()
+insertTx puk tx sn h bundle = do
+  insert [qc|
+insert into tx (reflog,tx,seq,head,bundle)
+values (?,?,?,?,?)
+on conflict (reflog,tx) do nothing
+  |] (Base58Field puk,tx,sn,h,bundle)
+
+
+selectTxForRefLog :: MonadIO m
+                  => RefLogId
+                  -> HashRef
+                  -> DBPipeM m (Maybe (HashRef, Epoch))
+selectTxForRefLog puk tx = do
+  select [qc|
+  select head,seq
+  from tx where reflog = ? and tx = ?
+  limit 1
+  |] (Base58Field puk, tx) <&> listToMaybe
+
+selectTxHead :: MonadIO m => HashRef -> DBPipeM m (Maybe HashRef)
+selectTxHead txHash = do
+  result <- select [qc|
+select head from tx where TX = ? limit 1
+  |] (Only txHash)
+  pure $ listToMaybe $ fmap fromOnly result
+
+selectMaxTxSeq :: MonadIO m => RefLogId -> DBPipeM m Integer
+selectMaxTxSeq puk = do
+  select [qc|
+select max(seq) as seq from tx where reflog = ?
+  |] (Only (Base58Field puk))
+    <&> maybe 0 fromOnly . listToMaybe
+
+insertTxDone :: MonadIO m => HashRef -> DBPipeM m ()
+insertTxDone txHash = do
+  insert [qc|
+INSERT INTO txdone (tx) VALUES (?)
+ON CONFLICT (tx) DO NOTHING
+  |] (Only txHash)
+
+
+existsTxDone :: MonadIO m => HashRef -> DBPipeM m Bool
+existsTxDone txHash = do
+  select @(Only Bool) [qc|
+SELECT true FROM txdone WHERE tx = ? LIMIT 1
+  |] (Only txHash)
+  <&> not . null
+
+existsAnyTxDone :: MonadIO m => DBPipeM m Bool
+existsAnyTxDone = do
+  select_ @_ @(Only (Maybe Bool)) [qc|
+SELECT true FROM txdone LIMIT 1
+  |] <&> not . null
+
+selectMaxSeqTxNotDone :: MonadIO m => RefLogId -> DBPipeM m (Maybe HashRef)
+selectMaxSeqTxNotDone puk = do
+  select [qc|
+WITH MaxDoneSeq AS (
+  SELECT MAX(tx.seq) as maxSeq
+  FROM tx
+  JOIN txdone ON tx.tx = txdone.tx
+  WHERE tx.reflog = ?
+),
+FilteredTx AS (
+  SELECT tx.tx, tx.seq
+  FROM tx
+  LEFT JOIN txdone ON tx.tx = txdone.tx
+  WHERE tx.reflog = ? AND txdone.tx IS NULL
+)
+SELECT ft.tx FROM FilteredTx ft
+JOIN MaxDoneSeq mds ON ft.seq > COALESCE(mds.maxSeq, 0)
+ORDER BY ft.seq DESC
+LIMIT 1
+  |] (Base58Field puk, Base58Field puk)
+  <&> listToMaybe . fmap fromOnly
+
+
+selectMaxAppliedTx :: MonadIO m => DBPipeM m (Maybe (HashRef, Integer))
+selectMaxAppliedTx = do
+  select [qc|
+SELECT t.tx, t.seq FROM txdone d JOIN tx t ON d.tx = t.tx ORDER BY t.seq DESC LIMIT 1
+  |] ()
+  <&> listToMaybe
+
+insertBundleDone :: MonadIO m => HashRef -> DBPipeM m ()
+insertBundleDone hashRef = do
+  insert [qc|
+INSERT INTO bundledone (hash) VALUES (?)
+ON CONFLICT (hash) DO NOTHING
+  |] (Only hashRef)
+
+existsBundleDone :: MonadIO m => HashRef -> DBPipeM m Bool
+existsBundleDone hashRef = do
+  select @(Only Bool) [qc|
+SELECT true FROM bundledone WHERE hash = ? LIMIT 1
+  |] (Only hashRef)
+  <&> not . null
+
+
+insertBundleKey :: MonadIO m => RefLogId -> HashRef -> HashRef -> DBPipeM m ()
+insertBundleKey reflogId keyHash bundleHash = do
+  insert [qc|
+INSERT INTO bundlekey (reflog, key, bundle) VALUES (?, ?, ?)
+ON CONFLICT (reflog,key) DO NOTHING
+  |] (Base58Field reflogId, keyHash, bundleHash)
+
+selectBundleByKey :: MonadIO m => RefLogId -> HashRef -> DBPipeM m (Maybe HashRef)
+selectBundleByKey reflogId keyHash = do
+  select [qc|
+SELECT bundle FROM bundlekey WHERE reflog = ? AND key = ? LIMIT 1
+  |] (Base58Field reflogId, keyHash)
+  <&> listToMaybe . fmap fromOnly
+
+insertTxBundle :: MonadIO m => HashRef -> Int -> HashRef -> DBPipeM m ()
+insertTxBundle tx num bundleHash = do
+  insert [qc|
+INSERT INTO txbundle (tx, num, bundle) VALUES (?, ?, ?)
+ON CONFLICT (tx, num) DO UPDATE SET bundle = EXCLUDED.bundle
+  |] (tx, num, bundleHash)
+
+insertBundleObject :: MonadIO m => HashRef -> GitHash -> DBPipeM m ()
+insertBundleObject bundle object = do
+  insert [qc|
+insert into bundleobject (bundle, object) values (?, ?)
+on conflict (bundle, object) do nothing
+  |] (bundle, object)
+
+
+selectBundleObjects :: MonadIO m => HashRef -> DBPipeM m [GitHash]
+selectBundleObjects bundle = do
+  select [qc|
+select object from bundleobject where bundle = ?
+  |] (Only bundle)
+  <&> fmap fromOnly
+
+
+selectObjectsForTx:: MonadIO m => HashRef -> DBPipeM m [GitHash]
+selectObjectsForTx txHash = do
+  select [qc|
+select distinct bundleobject.object
+from txbundle
+join bundleobject on txbundle.bundle = bundleobject.bundle
+where txbundle.tx = ?
+  |] (Only txHash) <&> fmap fromOnly
+
+
+isObjectInTx :: MonadIO m => HashRef -> GitHash -> DBPipeM m Bool
+isObjectInTx txHash objectHash = do
+  result <- select @(Only Int) [qc|
+select 1
+from txbundle
+join bundleobject on txbundle.bundle = bundleobject.bundle
+where txbundle.tx = ? and bundleobject.object = ?
+limit 1
+  |] (txHash, objectHash)
+  pure $ not (null result)
+
+
+insertNewGK0 :: MonadIO m => RefLogId -> HashRef -> HashRef -> DBPipeM m ()
+insertNewGK0 reflog tx gk0 = do
+  insert [qc|
+insert into newgk0 (reflog, tx, gk0) values (?, ?, ?)
+on conflict (reflog,tx) do update set gk0 = excluded.gk0
+  |] (Base58Field reflog, tx, gk0)
+
+selectNewGK0 :: MonadIO m => RefLogId -> DBPipeM m (Maybe (HashRef,Epoch))
+selectNewGK0 reflog = do
+  select [qc|
+select gk0, ts
+from newgk0 g
+where g.reflog = ?
+order by ts desc
+limit 1
+  |] (Only (Base58Field reflog)) <&> listToMaybe
+
+
+insertLww :: MonadIO m => LWWRefKey HBS2Basic -> Word64 -> RefLogId -> DBPipeM m ()
+insertLww lww snum reflog = do
+  insert [qc|
+INSERT INTO lww (hash, seq, reflog) VALUES (?, ?, ?)
+ON CONFLICT (hash,seq,reflog) DO NOTHING
+  |] (Base58Field lww, snum, Base58Field reflog)
+
+selectAllLww :: MonadIO m => DBPipeM m [(LWWRefKey HBS2Basic, Word64, RefLogId)]
+selectAllLww = do
+  select_  [qc|
+SELECT hash, seq, reflog FROM lww
+  |] <&> fmap (over _3 (fromRefLogKey @HBS2Basic))
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Data/GK.hs

@@ -0,0 +1,26 @@
+module HBS2.Git.Data.GK where
+
+import HBS2.Git.Client.Prelude
+
+import HBS2.Net.Auth.GroupKeySymm
+import HBS2.Storage.Operations.ByteString
+
+import Data.ByteString.Lazy qualified as LBS
+
+type GK0 = GroupKey 'Symm HBS2Basic
+
+readGK0 :: (MonadIO m, MonadError OperationError m) => AnyStorage -> HashRef -> m GK0
+readGK0 sto h = do
+  runExceptT (readFromMerkle sto (SimpleKey (fromHashRef h)))
+   >>= orThrowError MissedBlockError
+   <&> deserialiseOrFail @GK0
+   >>= orThrowError UnsupportedFormat
+
+loadGK0FromFile :: MonadIO m => FilePath -> m (Maybe GK0)
+loadGK0FromFile fp = runMaybeT do
+
+  content <- liftIO (try @_ @IOError (LBS.readFile fp))
+               >>= toMPlus
+
+  toMPlus $ parseGroupKey @HBS2Basic (AsGroupKeyFile  content)
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Data/LWWBlock.hs

@@ -0,0 +1,142 @@
+{-# Language AllowAmbiguousTypes #-}
+{-# Language UndecidableInstances #-}
+module HBS2.Git.Data.LWWBlock
+  ( module HBS2.Git.Data.LWWBlock
+  , module HBS2.Peer.Proto.LWWRef
+  , HBS2Basic
+  ) where
+
+import HBS2.Prelude.Plated
+import HBS2.OrDie
+import HBS2.Net.Proto.Types
+import HBS2.Data.Types.Refs
+import HBS2.Data.Types.SignedBox
+import HBS2.Net.Auth.Schema()
+import HBS2.Net.Auth.Credentials
+import HBS2.Storage
+import HBS2.Peer.Proto.LWWRef
+
+import Data.Word
+import Codec.Serialise
+import System.Random
+
+import Control.Exception
+import Control.Monad.Except
+import Control.Monad.Trans.Maybe
+
+-- NOTE: on-lww-block-data
+--   HKDF ( SK(LWWRef) , lwwRefNonce ) ==> SK( RefLog )
+--   lwwRefLogPubKey ==  PK ( SK (RefLog ) )
+--
+--   LWWBlock is required to make repo reference "stable",
+--   i.e. it should remains the same even if the structure
+--   of repository has been changed or it was, say, "trimmed".
+--
+--   Therefore, there is the root key and the LWWRef, pointing
+--   to a block, which contains actual seed data for the "current"
+--   repo and it's possible to support permanent reference (LWWRef)
+--   to a repo, while it's actual structure may be changed
+--   (hbs2-git repo structure changes or garbage collecting (removing old
+--   transactions, etc).
+--
+--   (LWWRef PK) -> (LWWBlockData) -> (RefLog : [TX])
+--
+
+data LWWBlockData e =
+  LWWBlockData
+  { lwwRefSeed       :: Word64
+  , lwwRefLogPubKey  :: PubKey 'Sign (Encryption e)
+  }
+  deriving stock Generic
+
+data LWWBlock e =
+  LWWBlock1 { lwwBlockData :: LWWBlockData e }
+  deriving stock Generic
+
+instance Serialise (PubKey 'Sign (Encryption e)) => Serialise (LWWBlockData e)
+instance Serialise (PubKey 'Sign (Encryption e)) => Serialise (LWWBlock e)
+
+
+data LWWBlockOpError =
+    LWWBlockOpSkNotAvail
+  | LWWBlockOpStorageError
+  | LWWBlockOpSomeError
+  deriving stock (Show,Typeable,Generic)
+
+instance Exception LWWBlockOpError
+
+{- HLINT ignore "Functor law" -}
+
+readLWWBlock :: forall e s m . ( MonadIO m
+                               , Signatures s
+                               , s ~ Encryption e
+                               , ForLWWRefProto e
+                               , IsRefPubKey s
+                               , e ~ L4Proto
+                               )
+             => AnyStorage
+             -> LWWRefKey s
+             -> m (Maybe (LWWRef e, LWWBlockData e))
+
+readLWWBlock sto k = runMaybeT do
+
+  w@LWWRef{..} <- runExceptT (readLWWRef @e sto k)
+                  >>= toMPlus
+                  >>= toMPlus
+
+  getBlock sto (fromHashRef lwwValue)
+    >>= toMPlus
+    <&> deserialiseOrFail @(LWWBlock e)
+    >>= toMPlus
+    <&> lwwBlockData
+    <&> (w,)
+
+initLWWRef :: forall e s m . ( MonadIO m
+                             , MonadError LWWBlockOpError m
+                             , IsRefPubKey s
+                             , ForSignedBox e
+                             , HasDerivedKey s 'Sign Word64 m
+                             , s ~ Encryption e
+                             , Signatures s
+                             , e ~ L4Proto
+                             )
+           => AnyStorage
+           -> Maybe Word64
+           -> ( PubKey 'Sign s -> m (Maybe (PrivKey 'Sign s) ) )
+           -> LWWRefKey s
+           -> m HashRef
+initLWWRef sto seed' findSk lwwKey  = do
+  -- let k0 = fromLwwRefKey lww
+  seed   <- maybe1 seed' randomIO pure
+
+  let pk0 = fromLwwRefKey lwwKey
+  sk0 <- findSk pk0
+           >>= orThrowError LWWBlockOpSkNotAvail
+
+  lww0 <- runMaybeT do
+            getRef sto lwwKey >>= toMPlus
+              >>= getBlock sto >>= toMPlus
+              <&> deserialiseOrFail @(SignedBox (LWWRef e) e)
+              >>= toMPlus
+              <&> unboxSignedBox0
+              >>= toMPlus
+              <&> snd
+
+  (pk1, _) <- derivedKey @s @'Sign seed sk0
+
+  let newLwwData = LWWBlock1 (LWWBlockData @e seed pk1)
+
+  hx <- putBlock sto (serialise newLwwData)
+          >>= orThrowError LWWBlockOpStorageError
+          <&> HashRef
+
+  let lww :: LWWRef e
+      lww = LWWRef { lwwSeq = succ (maybe 0 lwwSeq lww0)
+                   , lwwValue = hx
+                   , lwwProof = Nothing
+                   }
+
+  updateLWWRef @s sto lwwKey sk0 lww
+    >>= orThrowError LWWBlockOpStorageError
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Data/RefLog.hs

@@ -0,0 +1,7 @@
+module HBS2.Git.Data.RefLog where
+
+import HBS2.Git.Client.Prelude
+
+type RefLogId = PubKey 'Sign HBS2Basic
+
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Data/Tx.hs

@@ -0,0 +1,381 @@
+module HBS2.Git.Data.Tx
+  ( module HBS2.Git.Data.Tx
+  , OperationError(..)
+  ) where
+
+import HBS2.Git.Client.Prelude
+import HBS2.Git.Data.RefLog
+
+import HBS2.Defaults
+import HBS2.Data.Detect
+import HBS2.KeyMan.Keys.Direct
+import HBS2.Peer.Proto
+import HBS2.Net.Auth.GroupKeySymm
+import HBS2.Net.Auth.Credentials
+import HBS2.Storage.Operations.ByteString
+import HBS2.Storage.Operations.Missed
+
+import HBS2.Git.Data.GK
+
+import HBS2.Git.Local
+
+
+import Data.Maybe
+import Data.Either
+import Data.Word
+import Data.ByteString.Lazy qualified as LBS
+import Data.ByteString (ByteString)
+import Streaming.Prelude qualified as S
+import Data.Binary.Get
+import Data.ByteArray.Hash (SipHash(..), SipKey(..))
+import Data.ByteArray.Hash qualified as BA
+import Data.HashMap.Strict qualified as HM
+
+type Rank = Integer
+
+
+type LBS = LBS.ByteString
+
+type RepoTx = RefLogUpdate L4Proto
+
+data RepoHeadType = RepoHeadType1
+                    deriving stock (Enum,Generic)
+
+data RepoHeadExt = RepoHeadExt
+                   deriving stock Generic
+
+data RepoHead =
+  RepoHeadSimple
+  { _repoHeadType   :: RepoHeadType
+  , _repoHeadTime   :: Word64
+  , _repoHeadGK0    :: Maybe HashRef
+  , _repoHeadName   :: Text
+  , _repoHeadBrief  :: Text
+  , _repoManifest   :: Maybe Text
+  , _repoHeadRefs   :: [(GitRef, GitHash)]
+  , _repoHeadExt    :: [RepoHeadExt]
+  }
+  deriving stock (Generic)
+
+
+instance Serialise RepoHeadType
+instance Serialise RepoHeadExt
+instance Serialise RepoHead
+
+data TxKeyringNotFound = TxKeyringNotFound
+                         deriving stock (Show, Typeable, Generic)
+
+instance Exception TxKeyringNotFound
+
+class GroupKeyOperations m where
+  openGroupKey :: GK0 -> m (Maybe GroupSecret)
+  loadKeyrings :: HashRef -> m [KeyringEntry HBS2Basic]
+
+makeRepoHeadSimple :: MonadIO m
+                   => Text
+                   -> Text
+                   -> Maybe Text
+                   -> Maybe HashRef
+                   -> [(GitRef, GitHash)]
+                   -> m RepoHead
+makeRepoHeadSimple name brief manifest gk refs = do
+  t <- getEpoch
+  pure $ RepoHeadSimple RepoHeadType1 t gk name brief manifest refs mempty
+
+writeRepoHead :: MonadUnliftIO  m => AnyStorage -> RepoHead -> m HashRef
+writeRepoHead sto rh = writeAsMerkle sto (serialise rh) <&> HashRef
+
+makeTx :: forall s m . (MonadUnliftIO m, GroupKeyOperations m, s ~ HBS2Basic)
+       => AnyStorage
+       -> Bool   -- ^ rewrite bundle merkle tree with new gk0
+       -> Rank   -- ^ tx rank
+       -> RefLogId
+       -> ( PubKey 'Sign s -> m (Maybe (PrivKey 'Sign s) ) )
+       -> RepoHead
+       -> [HashRef]
+       -> [LBS]
+       -> m RepoTx
+
+makeTx sto rewrite r puk findSk rh prev lbss = do
+
+  let rfk = RefLogKey @HBS2Basic puk
+
+  privk <- findSk puk
+             >>= orThrow TxKeyringNotFound
+
+  -- FIXME: delete-on-fail
+  headRef <- writeRepoHead sto rh
+
+  writeEnv <- newWriteBundleEnv sto rh
+
+  cRefs <- for lbss (writeBundle writeEnv)
+
+  let newBundles0 = prev <> cRefs
+
+  newBundles <- do
+    if not rewrite then do
+      pure newBundles0
+    else do
+      for newBundles0 \bh -> do
+
+        blk <- getBlock sto (fromHashRef bh)
+                 >>= orThrow StorageError
+
+        case tryDetect (fromHashRef bh) blk of
+
+          Merkle{} -> do
+            bs <- runExceptT (readFromMerkle sto (SimpleKey (fromHashRef bh)))
+                     >>= either throwIO pure
+
+            trace $ "encrypt existed block" <+> pretty bh
+            writeBundle writeEnv bs
+
+          MerkleAnn ann@(MTreeAnn {_mtaCrypt = EncryptGroupNaClSymm2 o gkh nonce}) -> do
+
+            gk <- runExceptT (readGK0 sto (HashRef gkh))
+                    >>= orThrow (GroupKeyNotFound 4)
+
+            gks <- openGroupKey gk
+                     >>= orThrow (GroupKeyNotFound 5)
+
+            debug $ "update GK0 for existed block" <+> pretty bh
+            let rcpt = HM.keys (recipients (wbeGk0 writeEnv))
+            gk1 <- generateGroupKey @HBS2Basic (Just gks) rcpt
+
+            gk1h <- writeAsMerkle sto (serialise gk1)
+
+            let newCrypt = EncryptGroupNaClSymm2 o gk1h nonce
+            let newTreeBlock = ann { _mtaCrypt = newCrypt }
+
+            newTree <- enqueueBlock sto (serialise newTreeBlock)
+                         >>= orThrow StorageError
+
+            pure (HashRef newTree)
+
+          _ -> throwIO UnsupportedFormat
+
+  let pt = toPTree (MaxSize defHashListChunk) (MaxNum 256) newBundles
+
+  me <- makeMerkle 0 pt $ \(_,_,bss) -> do
+          void $ putBlock sto bss
+
+  let meRef = HashRef me
+
+  -- TODO: post-real-rank-for-tx
+  let tx = SequentialRef r (AnnotatedHashRef (Just headRef) meRef)
+            & serialise
+            & LBS.toStrict
+
+  makeRefLogUpdate @L4Proto @HBS2Basic puk privk tx
+
+
+unpackTx :: MonadIO m
+         => RefLogUpdate L4Proto
+         -> m (Integer, HashRef, HashRef)
+
+unpackTx tx = do
+
+  sr <- deserialiseOrFail @SequentialRef (LBS.fromStrict (view refLogUpdData tx))
+          & orThrow UnsupportedFormat
+
+  case sr of
+   SequentialRef n (AnnotatedHashRef (Just rhh) blkh) -> pure (n,rhh,blkh)
+   _ -> throwIO UnsupportedFormat
+
+readTx :: (MonadIO m, MonadError OperationError m)
+       => AnyStorage
+       -> HashRef
+       -> m (Integer, HashRef, RepoHead, HashRef)
+
+readTx sto href = do
+
+  tx <- getBlock sto (fromHashRef href)
+           >>= orThrowError MissedBlockError
+           <&> deserialiseOrFail @(RefLogUpdate L4Proto)
+           >>= orThrowError UnsupportedFormat
+
+  (n,rhh,blkh) <- unpackTx tx
+
+  rh <- runExceptT (readFromMerkle sto (SimpleKey (fromHashRef rhh)))
+          >>= orThrowError IncompleteData
+          <&> deserialiseOrFail @RepoHead
+          >>= orThrowError UnsupportedFormat
+
+  missed <- S.head_ (findMissedBlocks2 sto blkh) <&> isJust
+
+  when missed do
+    throwError IncompleteData
+
+  pure (n, rhh, rh, blkh)
+
+
+readRepoHeadFromTx :: MonadIO m
+       => AnyStorage
+       -> HashRef
+       -> m (Maybe RepoHead)
+
+readRepoHeadFromTx sto href = runMaybeT do
+
+  tx <- getBlock sto (fromHashRef href) >>= toMPlus
+           <&> deserialiseOrFail @(RefLogUpdate L4Proto)
+           >>= toMPlus
+
+  (n,rhh,_) <- unpackTx tx
+
+  runExceptT (readFromMerkle sto (SimpleKey (fromHashRef rhh)))
+    >>= toMPlus
+    <&> deserialiseOrFail @RepoHead
+    >>= toMPlus
+
+
+data BundleMeta =
+  BundleMeta
+  { bundleHash      :: HashRef
+  , bundleEncrypted :: Bool
+  }
+  deriving stock (Show,Generic)
+
+data BundleWithMeta =
+  BundleWithMeta
+  { bundleMeta   :: BundleMeta
+  , bundlebBytes :: LBS
+  }
+  deriving stock (Generic)
+
+readBundle :: (MonadIO m, MonadError OperationError m, GroupKeyOperations m)
+           => AnyStorage
+           -> RepoHead
+           -> HashRef
+           -> m BundleWithMeta
+readBundle sto rh ref = do
+
+  obj <- getBlock sto (fromHashRef ref)
+            >>= orThrow MissedBlockError
+
+  let q = tryDetect (fromHashRef ref) obj
+
+  case q of
+    Merkle t -> do
+      let meta = BundleMeta ref False
+      BundleWithMeta meta <$>
+        readFromMerkle sto (SimpleKey key)
+
+    MerkleAnn (MTreeAnn {_mtaCrypt = EncryptGroupNaClSymm gkh _}) -> do
+      ke <- loadKeyrings (HashRef gkh)
+      let meta = BundleMeta ref True
+      BundleWithMeta meta <$> readFromMerkle sto (ToDecryptBS ke key)
+
+    _ -> throwError UnsupportedFormat
+
+  where
+    key = fromHashRef ref
+
+readBundleRefs :: (MonadIO m)
+               => AnyStorage
+               -> HashRef
+               -> m (Either [HashRef] [HashRef])
+
+readBundleRefs sto bunh = do
+  r <- S.toList_ $
+      walkMerkle @[HashRef] (fromHashRef bunh) (getBlock sto) $ \case
+        Left h -> S.yield (Left h)
+        Right ( bundles :: [HashRef] ) -> do
+          mapM_ (S.yield . Right) bundles
+
+  let missed = lefts r
+
+  if not (null missed) then do
+    pure (Left (fmap HashRef missed))
+  else do
+    pure (Right $ rights r)
+
+
+type GitPack = LBS.ByteString
+type UnpackedBundle = (Word32, Word32, [GitHash], GitPack)
+
+unpackPackMay :: LBS.ByteString -> Maybe UnpackedBundle
+unpackPackMay co = result $ flip runGetOrFail co do
+    w <- getWord32be
+    v <- getWord32be
+    idx <- lookAheadE (getLazyByteString (fromIntegral w) <&> deserialiseOrFail @[GitHash])
+              >>= either (fail.show) pure
+    pack <- getRemainingLazyByteString
+    pure (w,v,idx,pack)
+
+  where
+    result = \case
+      Left{} -> Nothing
+      Right (_,_,r) -> Just r
+
+
+
+data WriteBundleEnv =
+  WriteBundleEnvPlain
+  { wbeHead :: RepoHead
+  , wbeStorage :: AnyStorage
+  }
+  | WriteBundleEnvEnc
+    { wbeSk1     :: SipKey
+    , wbeSk2     :: SipKey
+    , wbeHead    :: RepoHead
+    , wbeGk0     :: GK0
+    , wbeGks     :: GroupSecret
+    , wbeStorage :: AnyStorage
+    }
+
+newWriteBundleEnv :: (MonadIO m, GroupKeyOperations m) => AnyStorage -> RepoHead -> m WriteBundleEnv
+newWriteBundleEnv sto rh = case _repoHeadGK0 rh of
+  Nothing -> do
+    pure $ WriteBundleEnvPlain rh sto
+
+  Just gk0h -> do
+
+    gk0 <- runExceptT (readGK0 sto gk0h)
+            >>= either throwIO pure
+
+    gks <- openGroupKey gk0
+              >>= orThrow (GroupKeyNotFound 3)
+
+    pure $ WriteBundleEnvEnc
+           { wbeSk1     = SipKey 2716370006254639645 507093936407764973
+           , wbeSk2     = SipKey 9209704780415729085 272090086441077315
+           , wbeHead    = rh
+           , wbeGk0     = gk0
+           , wbeGks     = gks
+           , wbeStorage = sto
+           }
+
+makeNonceForBundle :: Monad m => WriteBundleEnv -> LBS.ByteString -> m ByteString
+makeNonceForBundle env lbs = do
+  let piece = ( LBS.take (fromIntegral defBlockSize * 2) lbs
+                <> serialise (wbeHead env)
+              ) & hashObject @HbSync & serialise & LBS.drop 1 & LBS.toStrict
+  pure piece
+
+writeBundle :: MonadIO m => WriteBundleEnv -> LBS.ByteString -> m HashRef
+writeBundle env lbs = do
+
+  case env of
+    WriteBundleEnvPlain{..} -> do
+      writeAsMerkle wbeStorage lbs <&> HashRef
+
+    WriteBundleEnvEnc{..} -> do
+      let bsStream = readChunkedBS lbs defBlockSize
+
+      nonce <- makeNonceForBundle env lbs
+
+      let (SipHash a) = BA.sipHash wbeSk1 nonce
+      let (SipHash b) = BA.sipHash wbeSk2 nonce
+
+      let source = ToEncryptSymmBS wbeGks
+                                   (Right wbeGk0)
+                                   nonce
+                                   bsStream
+                                   NoMetaData
+                                   (Just (EncryptGroupNaClSymmBlockSIP (a,b)))
+
+      th <- runExceptT (writeAsMerkle wbeStorage source)
+              >>= orThrow StorageError
+
+      pure $ HashRef th
+

hbs2-git/hbs2-git-client-lib/HBS2/Git/Local.hs

@@ -0,0 +1,68 @@
+module HBS2.Git.Local where
+
+import HBS2.Prelude.Plated
+
+import Data.ByteString.Base16 qualified as B16
+import Text.InterpolatedString.Perl6 (qc)
+import Data.ByteString.Char8 qualified as BS
+import Data.ByteString.Char8 (ByteString)
+import Codec.Serialise
+
+
+data SHA1 = SHA1
+            deriving stock(Eq,Ord,Data,Generic)
+
+newtype GitHash = GitHash ByteString
+                  deriving stock (Eq,Ord,Data,Generic,Show)
+                  deriving newtype Hashable
+
+instance Serialise GitHash
+
+instance IsString GitHash where
+  fromString s = GitHash (B16.decodeLenient (BS.pack s))
+
+instance FromStringMaybe GitHash where
+  fromStringMay s = either (const Nothing) (pure . GitHash) (B16.decode bs)
+    where
+      bs = BS.pack s
+
+instance Pretty GitHash where
+  pretty (GitHash s) = pretty @String [qc|{B16.encode s}|]
+
+
+newtype GitRef = GitRef { unGitRef :: ByteString }
+                 deriving stock (Eq,Ord,Data,Generic,Show)
+                 deriving newtype (IsString,Monoid,Semigroup,Hashable)
+
+instance Serialise GitRef
+
+mkGitRef :: ByteString -> GitRef
+mkGitRef = GitRef
+
+instance Pretty GitRef where
+  pretty (GitRef x) = pretty @String [qc|{x}|]
+
+data GitObjectType = Commit | Tree | Blob
+                     deriving stock (Eq,Ord,Show,Generic)
+
+instance Serialise GitObjectType
+
+instance IsString GitObjectType where
+  fromString = \case
+    "commit" -> Commit
+    "tree"   -> Tree
+    "blob"   -> Blob
+    x        -> error [qc|invalid git object type {x}|]
+
+instance FromStringMaybe GitObjectType where
+  fromStringMay = \case
+    "commit" -> Just Commit
+    "tree"   -> Just Tree
+    "blob"   -> Just Blob
+    _        -> Nothing
+
+instance Pretty GitObjectType where
+  pretty = \case
+    Commit -> pretty @String "commit"
+    Tree   -> pretty @String "tree"
+    Blob   -> pretty @String "blob"

hbs2-git/hbs2-git-client-lib/HBS2/Git/Local/CLI.hs

@@ -0,0 +1,66 @@
+module HBS2.Git.Local.CLI where
+
+import HBS2.Prelude
+
+import System.FilePath
+import HBS2.System.Dir
+
+import System.Environment hiding (setEnv)
+
+import Control.Monad.Trans.Maybe
+import Control.Applicative
+import System.Process.Typed
+import Data.ByteString.Lazy (ByteString)
+import Data.ByteString.Lazy.Char8 qualified as LBS8
+import Text.InterpolatedString.Perl6 (qc)
+
+findGitDir :: MonadIO m => m (Maybe FilePath)
+findGitDir = findGitDir' =<< pwd
+  where
+    findGitDir' dir = do
+      let gd = dir </> ".git"
+      exists <- liftIO $ doesDirectoryExist gd
+      if exists
+        then return $ Just gd
+        else let parentDir = takeDirectory dir
+             in if parentDir == dir -- we've reached the root directory
+                   then return Nothing
+                   else findGitDir' parentDir
+
+checkIsBare :: MonadIO m => Maybe FilePath -> m Bool
+checkIsBare fp = do
+
+  let wd = maybe id setWorkingDir fp
+
+  (code,s,_)  <- readProcess ( shell [qc|git config --local core.bare|]
+                                & setStderr closed & wd
+                             )
+
+  case (code, LBS8.words s) of
+    (ExitSuccess, "true" : _)  -> pure True
+    _ -> pure False
+
+gitDir :: MonadIO m => m (Maybe FilePath)
+gitDir = runMaybeT do
+  byEnv <- liftIO $ lookupEnv "GIT_DIR"
+  byDir <- findGitDir
+
+  byBare <- checkIsBare Nothing >>= \case
+              True  -> pwd >>= expandPath <&> Just
+              False -> pure Nothing
+
+  toMPlus (byEnv <|> byDir <|> byBare)
+
+
+gitRunCommand :: MonadIO m
+              => String
+              -> m (Either ExitCode ByteString)
+
+gitRunCommand cmd = do
+  let procCfg = setStdin closed $ setStderr closed $ shell cmd
+  (code, out, _) <- readProcess procCfg
+  case code of
+    ExitSuccess -> pure (Right out)
+    e           -> pure (Left e)
+
+

hbs2-git/hbs2-git.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-git
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause
@@ -8,24 +8,21 @@ license-file:       LICENSE
 author:             Dmitry Zuikov
 maintainer:         dzuikov@gmail.com
 -- copyright:
-category:           Development
+category:           System
 build-type:         Simple
-extra-doc-files:    CHANGELOG.md
+-- extra-doc-files:    CHANGELOG.md
 -- extra-source-files:
 
 common shared-properties
   ghc-options:
         -Wall
-        -Wno-type-defaults
+        -fno-warn-type-defaults
-        -fprint-potential-instances
+        -threaded
-        -- -fno-warn-unused-matches
+        -rtsopts
-        -- -fno-warn-unused-do-bind
+        -O2
-        -- -Werror=missing-methods
+        "-with-rtsopts=-N4 -A64m -AL256m -I0"
-        -- -Werror=incomplete-patterns
-        -- -fno-warn-unused-binds
 
-
+  default-language: GHC2021
-  default-language:    Haskell2010
 
   default-extensions:
                        ApplicativeDo
@@ -52,147 +49,122 @@ common shared-properties
                      , StandaloneDeriving
                      , TupleSections
                      , TypeApplications
-                     , TypeOperators
                      , TypeFamilies
-                     , TemplateHaskell
 
 
-  build-depends: hbs2-core, hbs2-peer
+  build-depends:
-               , attoparsec
+        hbs2-core
-               , aeson
+      , hbs2-peer
-               , async
+      , hbs2-storage-simple
-               , base16-bytestring
+      , hbs2-keyman
-               , bytestring
+      , db-pipe
-               , cache
+      , suckless-conf
-               , containers
+
-               , streaming
+      , attoparsec
-               , streaming-bytestring
+      , atomic-write
-               , streaming-commons
+      , bytestring
-               , streaming-utils
+      , binary
-               , cryptonite
+      , containers
-               , directory
+      , directory
-               , exceptions
+      , exceptions
-               , filelock
+      , filepath
-               , filepath
+      , filepattern
-               , filepattern
+      , interpolatedstring-perl6
-               , generic-lens
+      , memory
-               , hashable
+      , microlens-platform
-               , http-conduit
+      , mtl
-               , interpolatedstring-perl6
+      , safe
-               , memory
+      , serialise
-               , microlens-platform
+      , streaming
-               , mtl
+      , stm
-               , prettyprinter
+      , text
-               , prettyprinter-ansi-terminal
+      , time
-               , random
+      , timeit
-               , resourcet
+      , transformers
-               , safe
+      , typed-process
-               , saltine
+      , unordered-containers
-               , serialise
+      , unliftio
-               , split
+      , unliftio-core
-               , sqlite-simple
+      , zlib
-               , stm
+      , prettyprinter
-               , suckless-conf
+      , prettyprinter-ansi-terminal
-               , temporary
+      , random
-               , text
+      , vector
-               , time
+      , unix
-               , timeit
+
-               , transformers
-               , typed-process
-               , uniplate
-               , unliftio
-               , unliftio-core
-               , unordered-containers
-               , wai-app-file-cgi
-               , wai-extra
 
 library
     import:           shared-properties
 
     exposed-modules:
-      HBS2.Git.Types
-      HBS2Git.Prelude
-      HBS2Git.Alerts
-      HBS2Git.Annotations
-      HBS2Git.App
-      HBS2Git.KeysMetaData
-      HBS2Git.Config
-      HBS2Git.Evolve
-      HBS2Git.Export
-      HBS2Git.Encryption
-      HBS2Git.Encryption.KeyInfo
-      HBS2Git.GitRepoLog
-      HBS2Git.Import
-      HBS2Git.KeysCommand
-      HBS2Git.Tools
       HBS2.Git.Local
       HBS2.Git.Local.CLI
-      HBS2Git.PrettyStuff
-      HBS2Git.State
-      HBS2Git.Types
 
+      HBS2.Git.Data.Tx
+      HBS2.Git.Data.GK
+      HBS2.Git.Data.RefLog
+      HBS2.Git.Data.LWWBlock
+
+      HBS2.Git.Client.Prelude
+      HBS2.Git.Client.App.Types
+      HBS2.Git.Client.App.Types.GitEnv
+      HBS2.Git.Client.App
+      HBS2.Git.Client.Config
+      HBS2.Git.Client.State
+      HBS2.Git.Client.RefLog
+      HBS2.Git.Client.Export
+      HBS2.Git.Client.Import
+      HBS2.Git.Client.Progress
+
+    build-depends:    base
+                    , base16-bytestring
+                    , binary
+                    , unix
+
+    hs-source-dirs:   hbs2-git-client-lib
+
+
+executable hbs2-git-subscribe
+    import:           shared-properties
+    main-is:          Main.hs
     -- other-modules:
     -- other-extensions:
-    build-depends:    base
+    build-depends:
-                   , exceptions
+        base, hbs2-git
-                   , terminal-progress-bar
+        , binary
-                   , http-types
+        , vector
-                   , uuid
+        , optparse-applicative
-                   , zlib
 
-    hs-source-dirs:   lib
+    hs-source-dirs:   git-hbs2-subscribe
-    default-language: Haskell2010
+    default-language: GHC2021
 
 executable git-hbs2
     import:           shared-properties
     main-is:          Main.hs
-
+    -- other-modules:
-    ghc-options:
-        -threaded
-        -rtsopts
-        "-with-rtsopts=-N4 -A64m -AL256m -I0"
-
-    other-modules:
-      RunShow
-      Paths_hbs2_git
-
     -- other-extensions:
     build-depends:
         base, hbs2-git
-      , optparse-applicative
+        , binary
-      , http-types
+        , vector
-      , template-haskell
+        , optparse-applicative
 
     hs-source-dirs:   git-hbs2
-    default-language: Haskell2010
+    default-language: GHC2021
 
 
 executable git-remote-hbs2
     import:           shared-properties
-    main-is:          GitRemoteMain.hs
+    main-is:          Main.hs
-
+    -- other-modules:
-    ghc-options:
-        -threaded
-        -rtsopts
-        "-with-rtsopts=-N4 -A64m -AL256m -I0"
-
-    other-modules:
-      GitRemoteTypes
-      GitRemotePush
-
     -- other-extensions:
     build-depends:
         base, hbs2-git
-      , async
+        , binary
-      , attoparsec
+        , vector
-      , optparse-applicative
+        , optparse-applicative
-      , unix
-      , unliftio
-      , terminal-progress-bar
-      , http-types
-
-    hs-source-dirs:   git-hbs2
-    default-language: Haskell2010
 
+    hs-source-dirs:   git-remote-hbs2
+    default-language: GHC2021
 
 

hbs2-git/hie.yaml

@@ -1,2 +0,0 @@
-cradle:
-  cabal:

hbs2-git/lib/HBS2/Git/Local.hs

@@ -1,31 +0,0 @@
-module HBS2.Git.Local
-  ( module HBS2.Git.Types
-  , module HBS2.Git.Local
-  )where
-
-import HBS2.Git.Types
-
-import Data.Functor
-import Data.String
-import Control.Monad
-import Control.Monad.IO.Class
-import Data.Set (Set)
-import Data.Set qualified as Set
-import System.Directory
-import System.FilePath
-
-gitReadRefs :: MonadIO m => FilePath -> Set String -> m [(GitRef, GitHash)]
-gitReadRefs p m = do
-
-  xs <- forM (Set.toList m) $ \br -> do
-          let fn = p </> "refs/heads" </> br
-          here <- liftIO $ doesFileExist fn
-          if here then do
-            s <- liftIO $ readFile fn <&> (fromString br,) . fromString
-            pure [s]
-          else do
-            pure mempty
-
-  pure $ mconcat xs
-
-

hbs2-git/lib/HBS2/Git/Local/CLI.hs

@@ -1,515 +0,0 @@
-{-# Language AllowAmbiguousTypes #-}
-module HBS2.Git.Local.CLI
-  ( module HBS2.Git.Local.CLI
-  , getStdin
-  , getStdout
-  , stopProcess
-  ) where
-
-import HBS2.Prelude.Plated
-import HBS2.Git.Types
-
-import HBS2.System.Logger.Simple
-
-import Control.Concurrent.Async
-import Control.Concurrent.STM
-import Control.Monad.Writer
-import Data.HashSet (HashSet)
-import Data.HashSet qualified as HashSet
-import Data.HashMap.Strict (HashMap)
-import Data.HashMap.Strict qualified as HashMap
-import Data.ByteString.Char8 qualified as BS8
-import Data.ByteString.Lazy.Char8 (ByteString)
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Functor
-import Data.Function
-import Data.Maybe
-import Data.Set qualified as Set
-import Data.Set (Set)
-import Data.List qualified as List
-import Data.Text.Encoding qualified as Text
-import Data.Text.Encoding (decodeLatin1)
-import Data.Text qualified as Text
-import System.Process.Typed
-import Text.InterpolatedString.Perl6 (qc)
-import Lens.Micro.Platform
-import Control.Monad.Trans.Maybe
-import System.IO
-
--- FIXME: specify-git-dir
-
-parseHash :: BS8.ByteString -> GitHash
-parseHash = fromString . BS8.unpack
-
-parseHashLazy :: LBS.ByteString -> GitHash
-parseHashLazy = fromString . BS8.unpack . LBS.toStrict
-
-gitGetDepsPure :: GitObject -> Set GitHash
-
-gitGetDepsPure (GitObject Tree bs) = Set.fromList $ execWriter (go bs)
-  where
-    go :: ByteString -> Writer [GitHash] ()
-    go s = case LBS.uncons s of
-      Nothing -> pure ()
-      Just ('\x00', rest) -> do
-        let (hash, rest') = LBS.splitAt 20 rest
-        tell [GitHash (LBS.toStrict hash)]
-        go rest'
-
-      Just (_, rest) -> go rest
-
-gitGetDepsPure (GitObject Commit bs) = Set.fromList (recurse ls)
-  where
-    ls = LBS.lines bs
-    recurse :: [LBS.ByteString] -> [GitHash]
-    recurse [] = []
-    recurse ("":_)  = []
-    recurse (x:xs) =
-      case LBS.words x of
-        ["tree", s]   -> fromString (LBS.unpack s) : recurse xs
-        ["parent", s] -> fromString (LBS.unpack s) : recurse xs
-        _             -> recurse xs
-
-
-gitGetDepsPure _ = mempty
-
-gitCommitGetParentsPure :: LBS.ByteString -> [GitHash]
-gitCommitGetParentsPure bs = foldMap seek pairs
-  where
-    pairs = take 2 . LBS.words <$> LBS.lines bs
-    seek = \case
-      ["parent", x] -> [fromString (LBS.unpack x)]
-      _             -> mempty
-
-data GitParsedRef = GitCommitRef GitHash
-                  | GitTreeRef GitHash
-                    deriving stock (Data,Eq,Ord)
-
-gitGetParsedCommit :: MonadIO m => GitObject -> m [GitParsedRef]
-gitGetParsedCommit (GitObject Commit bs)  = do
-  let ws = fmap LBS.words (LBS.lines bs)
-  oo <- forM ws $ \case
-          ["tree", s]   -> pure [GitTreeRef (fromString (LBS.unpack s))]
-          ["commit", s] -> pure [GitCommitRef (fromString (LBS.unpack s))]
-          _             -> pure mempty
-
-  pure $ mconcat oo
-
-gitGetParsedCommit _ = pure mempty
-
--- FIXME: use-fromStringMay
-gitGetObjectType :: MonadIO m => GitHash -> m (Maybe GitObjectType)
-gitGetObjectType hash = do
-  (_, out, _) <- readProcess (shell [qc|git cat-file -t {pretty hash}|])
-  case headMay (LBS.words out) of
-    Just "commit" -> pure (Just Commit)
-    Just "tree"   -> pure (Just Tree)
-    Just "blob"   -> pure (Just Blob)
-    _        -> pure Nothing
-
-
-
-gitGetCommitDeps :: MonadIO m => GitHash -> m [GitHash]
-gitGetCommitDeps hash  = do
-  (_, out, _) <- readProcess (shell [qc|git cat-file commit {pretty hash}|])
-  pure $ Set.toList (gitGetDepsPure (GitObject Commit out))
-
-gitGetTreeDeps :: MonadIO m => GitHash -> m [GitHash]
-gitGetTreeDeps hash = do
-  (_, out, _) <- readProcess (shell [qc|git ls-tree {pretty hash}|])
-  let ls =  fmap parseHash . getHash <$> BS8.lines (LBS.toStrict out)
-  pure (catMaybes ls)
-  where
-    getHash = flip atMay 2 . BS8.words
-
-
-gitGetDependencies :: MonadIO m => GitHash -> m [GitHash]
-gitGetDependencies hash = do
-  ot <- gitGetObjectType hash
-  case ot of
-    Just Commit -> gitGetCommitDeps hash
-    Just Tree   -> gitGetTreeDeps hash
-    _           -> pure mempty
-
-
--- | calculates all dependencies of given list
---   of git objects
-gitGetAllDependencies :: MonadIO m
-                       => Int  -- ^ number of threads
-                       -> [ GitHash ] -- ^ initial list of objects to calculate deps
-                       -> ( GitHash -> IO [GitHash] ) -- ^ lookup function
-                       -> ( GitHash -> IO () ) -- ^ progress update function
-                       -> m [(GitHash, GitHash)]
-
-gitGetAllDependencies n objects lookup progress = liftIO do
-  input <- newTQueueIO
-  output <- newTQueueIO
-
-  memo  <- newTVarIO ( mempty :: HashSet GitHash )
-  work  <- newTVarIO ( mempty :: HashMap Int Int )
-  num   <- newTVarIO 1
-
-  atomically $ mapM_ (writeTQueue input) objects
-
-  replicateConcurrently_ n $ do
-
-    i <- atomically $ stateTVar num ( \x -> (x, succ x) )
-
-    fix \next -> do
-      o <- atomically $ tryReadTQueue input
-      case o of
-        Nothing -> do
-          todo <- atomically $ do
-            modifyTVar work (HashMap.delete i)
-            readTVar work <&> HashMap.elems <&> sum
-
-          when (todo > 0) next
-
-        Just h -> do
-
-          progress h
-
-          done <- atomically $ do
-            here <- readTVar memo <&> HashSet.member h
-            modifyTVar memo (HashSet.insert h)
-            pure here
-
-          unless done do
-            cached <- lookup h
-
-            deps <- if null cached then do
-                      gitGetDependencies h
-                    else
-                      pure cached
-
-            forM_ deps $ \d -> do
-              atomically $ writeTQueue output (h,d)
-
-            atomically $ modifyTVar work (HashMap.insert i (length deps))
-
-          next
-
-  liftIO $ atomically $ flushTQueue output
-
-
-gitGetTransitiveClosure :: forall cache . (HasCache cache GitHash (Set GitHash) IO)
-                        => cache
-                        -> Set GitHash
-                        -> GitHash
-                        -> IO (Set GitHash)
-
-gitGetTransitiveClosure cache exclude hash = do
-    -- trace $ "gitGetTransitiveClosure" <+> pretty hash
-    r <- cacheLookup cache hash :: IO (Maybe (Set GitHash))
-    case r of
-      Just xs -> pure xs
-      Nothing -> do
-        deps <- gitGetDependencies hash
-        clos <- mapM (gitGetTransitiveClosure cache exclude) deps
-        let res = (Set.fromList (hash:deps) <> Set.unions clos) `Set.difference` exclude
-        cacheInsert cache hash res
-        pure res
-
-
--- gitGetAllDepsByCommit :: GitHash -> IO [GitHash]
--- gitGetAllDepsByCommit h = do
--- -- FIXME: error-handling
---   (_, out, _) <- liftIO $ readProcess (shell [qc|git rev-list {pretty h}|])
---   let ls =  LBS.lines out & fmap ( fromString . LBS.unpack )
-
---   forM ls $ \l -> do
---     o <- liftIO $ gitReadObject (Just Commit) l
---     let tree = gitGetDepsPure (GitObject Commit o)
---     (_, out, _) <- liftIO $ readProcess (shell [qc|git rev-list {pretty h}|])
-
---     print tree
-
---   -- mapM_ (print.pretty) ls
---   pure []
-  -- deps <- mapM gitGetDependencies ls <&> mconcat
-  -- pure $ List.nub $ ls <> deps
-
--- FIXME: inject-git-working-dir-via-typeclass
-
-gitConfigGet :: MonadIO m => Text -> m (Maybe Text)
-gitConfigGet k = do
-  let cmd = [qc|git config {k}|]
-  (code, out, _) <- liftIO $ readProcess (shell cmd)
-
-  case code of
-    ExitSuccess -> pure (Just $ Text.strip [qc|{LBS.unpack out}|])
-    _           -> pure Nothing
-
-
-gitConfigSet :: MonadIO m => Text -> Text -> m ()
-gitConfigSet k v = do
-  let cmd = [qc|git config --add {k} {v}|]
-  liftIO $ putStrLn cmd
-  runProcess_ (shell cmd)
-
-gitGetRemotes :: MonadIO m => m [(Text,Text)]
-gitGetRemotes = do
-  let cmd = [qc|git config --get-regexp '^remote\..*\.url$'|]
-  (code, out, _) <- liftIO $ readProcess (shell cmd)
-
-  let txt = Text.decodeUtf8 (LBS.toStrict out)
-
-  let ls = Text.lines txt -- & foldMap (drop 1 . Text.words)
-
-  remotes <- forM ls $ \l ->
-                case Text.words l of
-                  [r,val] | Text.isPrefixOf "remote." r -> pure $ (,val) <$> stripRemote r
-                  _       -> pure Nothing
-
-  pure $ catMaybes remotes
-
-  where
-    stripRemote x = headMay $ take 1 $ drop 1 $ Text.splitOn "." x
-
--- FIXME: respect-git-workdir
-gitHeadFullName :: MonadIO m => GitRef -> m GitRef
-gitHeadFullName (GitRef r) = do
-  let r' = Text.stripPrefix "refs/heads" r & fromMaybe r
-  pure $ GitRef $ "refs/heads/" <> r'
-
--- FIXME: error handling!
-gitReadObject :: MonadIO m => Maybe GitObjectType -> GitHash -> m LBS.ByteString
-gitReadObject mbType' hash = do
-
-  mbType'' <- case mbType' of
-    Nothing -> gitGetObjectType hash
-    Just tp -> pure (Just tp)
-
-  oType <- maybe (error [qc|unknown type of {pretty hash}|]) pure mbType''
-
-  -- liftIO $ hPutStrLn stderr [qc|git cat-file {pretty oType} {pretty hash}|]
-
-  (_, out, _) <- readProcess (shell [qc|git cat-file {pretty oType} {pretty hash}|])
-
-  pure out
-
-
-gitRemotes :: MonadIO m => m (Set GitRef)
-gitRemotes = do
-  let cmd = setStdin closed $ setStdout closed
-                            $ setStderr closed
-                            $ shell [qc|git remote|]
-
-  (_, out, _) <- readProcess cmd
-  let txt = decodeLatin1 (LBS.toStrict out)
-  pure $ Set.fromList (GitRef . Text.strip <$> Text.lines txt)
-
-
-gitNormalizeRemoteBranchName :: MonadIO  m => GitRef -> m GitRef
-gitNormalizeRemoteBranchName orig@(GitRef ref) = do
-  remotes <- gitRemotes
-  stripped <- forM (Set.toList remotes) $ \(GitRef remote) -> do
-     pure $ GitRef <$> (("refs/heads" <>) <$> Text.stripPrefix remote ref)
-
-
-  let GitRef r = headDef orig (catMaybes stripped)
-
-  if Text.isPrefixOf "refs/heads" r
-      then pure (GitRef r)
-      else pure (GitRef $ "refs/heads/" <> r)
-
-
-gitStoreObject :: MonadIO m => GitObject -> m (Maybe GitHash)
-gitStoreObject (GitObject t s) = do
-  let cmd = [qc|git hash-object -t {pretty t} -w --stdin|]
-  let procCfg = setStdin (byteStringInput s) $ setStderr closed
-                                             (shell cmd)
-  (code, out, _) <- readProcess procCfg
-  case code of
-    ExitSuccess -> pure $ Just (parseHashLazy out)
-    ExitFailure{} -> pure Nothing
-
-gitCheckObject :: MonadIO m => GitHash -> m Bool
-gitCheckObject gh = do
-  let cmd = [qc|git cat-file -e {pretty gh}|]
-  let procCfg = setStderr closed (shell cmd)
-  (code, _, _) <- readProcess procCfg
-  case code of
-    ExitSuccess -> pure True
-    ExitFailure{} -> pure False
-
-gitListAllObjects :: MonadIO m => m [(GitObjectType, GitHash)]
-gitListAllObjects = do
-  let cmd = [qc|git cat-file --batch-check --batch-all-objects|]
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-
-  pure $ LBS.lines out & foldMap (fromLine . LBS.words)
-
-  where
-    fromLine = \case
-      [ha, tp, _] -> [(fromString (LBS.unpack tp), fromString (LBS.unpack ha))]
-      _          -> []
-
--- FIXME: better error handling
-gitGetHash :: MonadIO m => GitRef -> m (Maybe GitHash)
-gitGetHash ref = do
-
-  trace $ "gitGetHash" <+> [qc|git rev-parse {pretty ref}|]
-
-  (code, out, _) <- readProcess (shell [qc|git rev-parse {pretty ref}|])
-
-  if code == ExitSuccess then do
-    let hash = fromString . LBS.unpack <$> headMay (LBS.lines out)
-    pure hash
-  else
-    pure Nothing
-
-gitGetBranchHEAD :: MonadIO m => m (Maybe GitRef)
-gitGetBranchHEAD = do
-  (code, out, _) <- readProcess (shell [qc|git rev-parse --abbrev-ref HEAD|])
-
-  if code == ExitSuccess then do
-    let hash = fromString . LBS.unpack <$> headMay (LBS.lines out)
-    pure hash
-  else
-    pure Nothing
-
-
-gitListLocalBranches :: MonadIO m => m [(GitRef, GitHash)]
-gitListLocalBranches  = do
-  let cmd = [qc|git branch --format='%(objectname) %(refname)'|]
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-
-  pure $ LBS.lines out & foldMap (fromLine . LBS.words)
-
-  where
-    fromLine = \case
-      [h, n] -> [(fromString (LBS.unpack n), fromString (LBS.unpack h))]
-      _      -> []
-
-
-gitListAllCommits :: MonadIO m => m [GitHash]
-gitListAllCommits = do
-  let cmd = [qc|git log --all --pretty=format:'%H'|]
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-  pure $ fmap (fromString . LBS.unpack) (LBS.lines out)
-
-gitRunCommand :: MonadIO m => String -> m (Either ExitCode ByteString)
-gitRunCommand cmd = do
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (code, out, _) <- readProcess procCfg
-  case code of
-    ExitSuccess -> pure (Right out)
-    e           -> pure (Left e)
-
--- | list all commits from the given one in order of date
-gitListAllCommitsExceptBy :: MonadIO m => Set GitHash -> Maybe GitHash -> GitHash -> m [GitHash]
-gitListAllCommitsExceptBy excl l h = do
-  let from = maybe mempty (\r -> [qc|{pretty r}..|] ) l
-  let cmd = [qc|git rev-list --reverse --date-order {from}{pretty h}|]
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-  let res = fmap (fromString . LBS.unpack) (LBS.lines out)
-  pure $ List.reverse $ filter ( not . flip Set.member excl) res
-
--- | list all objects for the given commit range in order of date
-gitRevList :: MonadIO m => Maybe GitHash -> GitHash -> m [GitHash]
-gitRevList l h = do
-  let from = maybe mempty (\r -> [qc|{pretty r}..|] ) l
-  -- let cmd = [qc|git rev-list --objects --in-commit-order --reverse --date-order {from}{pretty h}|]
-  -- let cmd = [qc|git rev-list --objects --reverse --in-commit-order {from}{pretty h}|]
-  let cmd = [qc|git rev-list --reverse --in-commit-order --objects {from}{pretty h}|]
-  let procCfg = setStdin closed $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-  pure $ mapMaybe (fmap (fromString . LBS.unpack) . headMay . LBS.words) (LBS.lines out)
-
--- TODO: handle-invalid-input-somehow
-gitGetObjectTypeMany :: MonadIO m =>  [GitHash] -> m [(GitHash, GitObjectType)]
-gitGetObjectTypeMany hashes = do
-  let hss = LBS.unlines $ fmap (LBS.pack.show.pretty) hashes
-  let cmd = [qc|git cat-file --batch-check='%(objectname) %(objecttype)'|]
-  let procCfg = setStdin (byteStringInput hss) $ setStderr closed (shell cmd)
-  (_, out, _) <- readProcess procCfg
-  pure $ mapMaybe (parse . fmap LBS.unpack . LBS.words) (LBS.lines out)
-  where
-    parse [h,tp] = (,) <$> fromStringMay h <*> fromStringMay tp
-    parse _ = Nothing
-
-gitGetCommitImmediateDeps :: MonadIO m => GitHash -> m [GitHash]
-gitGetCommitImmediateDeps h = do
-  o <- gitReadObject (Just Commit) h
-  let lws = LBS.lines o & fmap LBS.words
-
-  t <- forM lws $ \case
-        ["tree", hs]  -> pure (Just ( fromString @GitHash (LBS.unpack hs) ))
-        _             -> pure Nothing
-
-  let tree = take 1 $ catMaybes t
-
-  deps <- gitRunCommand [qc|git rev-list --objects {pretty (headMay tree)}|]
-            >>= either (const $ pure mempty)
-                       (pure . mapMaybe withLine . LBS.lines)
-
-  pure $ List.nub $ tree <> deps
-  where
-    withLine :: LBS.ByteString -> Maybe GitHash
-    withLine l = do
-      let wordsInLine = LBS.words l
-      firstWord <- listToMaybe wordsInLine
-      pure $ fromString @GitHash $ LBS.unpack firstWord
-
-
-startGitHashObject :: MonadIO m => GitObjectType -> m (Process Handle () ())
-startGitHashObject objType = do
-  let cmd = "git"
-  let args = ["hash-object", "-w", "-t", show (pretty objType), "--stdin-paths"]
-  let config = setStdin createPipe $ setStdout closed $ setStderr inherit $ proc cmd args
-  startProcess config
-
-startGitCatFile :: MonadIO m => m (Process Handle Handle ())
-startGitCatFile = do
-  let cmd = "git"
-  let args = ["cat-file", "--batch"]
-  let config = setStdin createPipe $ setStdout createPipe $ setStderr closed $ proc cmd args
-  startProcess config
-
-gitReadFromCatFileBatch :: MonadIO m
-                        => Process Handle Handle a
-                        -> GitHash
-                        -> m (Maybe GitObject)
-
-gitReadFromCatFileBatch prc gh = do
-
-    let ssin = getStdin prc
-    let sout = getStdout prc
-
-    liftIO $ hPrint  ssin (pretty gh) >> hFlush ssin
-
-    runMaybeT do
-
-      here <- liftIO $ hWaitForInput sout 1000
-
-      guard here
-
-      header <- liftIO $ BS8.hGetLine sout
-
-      case BS8.unpack <$> BS8.words header of
-        [ha, t, s] -> do
-          (_, tp, size) <- MaybeT $ pure $ (,,) <$> fromStringMay @GitHash ha
-                                                <*> fromStringMay @GitObjectType t
-                                                <*> readMay s
-
-          content <- liftIO $ LBS.hGet sout size
-
-          guard (LBS.length content == fromIntegral size)
-
-          void $ liftIO $ LBS.hGet sout 1
-
-          let object = GitObject tp content
-
-          -- TODO: optionally-check-hash
-          -- guard (gh== gitHashObject object)
-
-          pure object
-
-        _                -> MaybeT $ pure Nothing
-
-

hbs2-git/lib/HBS2/Git/Types.hs

@@ -1,134 +0,0 @@
-{-# Language AllowAmbiguousTypes #-}
-module HBS2.Git.Types where
-
-import HBS2.Prelude
-import HBS2.System.Logger.Simple
-
-import Crypto.Hash hiding (SHA1)
-import Crypto.Hash qualified as Crypto
-import Data.Aeson
-import Data.ByteArray qualified as BA
-import Data.ByteString.Base16 qualified as B16
-import Data.ByteString (ByteString)
-import Data.ByteString.Char8 qualified as BS
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Data
-import Data.Generics.Uniplate.Data()
-import Data.String (IsString(..))
-import Data.Text.Encoding (decodeLatin1)
-import Data.Text qualified as Text
-import Data.Text (Text)
-import GHC.Generics
-import Prettyprinter
-import Text.InterpolatedString.Perl6 (qc)
-import Data.Hashable
-import Codec.Serialise
-import Data.Maybe
-
-class Monad m => HasCache t k v m where
-  cacheLookup  :: t -> k -> m (Maybe v)
-  cacheInsert  :: t -> k -> v -> m ()
-
-data SHA1 = SHA1
-            deriving stock(Eq,Ord,Data,Generic)
-
-newtype GitHash = GitHash ByteString
-                  deriving stock (Eq,Ord,Data,Generic,Show)
-                  deriving newtype Hashable
-
-instance Serialise GitHash
-
-instance IsString GitHash where
-  fromString s = GitHash (B16.decodeLenient (BS.pack s))
-
-instance FromStringMaybe GitHash where
-  fromStringMay s = either (const Nothing) pure (GitHash <$> B16.decode bs)
-    where
-      bs = BS.pack s
-
-instance Pretty GitHash where
-  pretty (GitHash s) = pretty @String [qc|{B16.encode s}|]
-
-
-data GitObjectType = Commit | Tree | Blob
-                     deriving stock (Eq,Ord,Show,Generic)
-
-instance ToJSON GitObjectType
-instance FromJSON GitObjectType
-
-instance IsString GitObjectType where
-  fromString = \case
-    "commit" -> Commit
-    "tree"   -> Tree
-    "blob"   -> Blob
-    x        -> error [qc|invalid git object type {x}|]
-
-instance FromStringMaybe GitObjectType where
-  fromStringMay = \case
-    "commit" -> Just Commit
-    "tree"   -> Just Tree
-    "blob"   -> Just Blob
-    _        -> Nothing
-
-instance Pretty GitObjectType where
-  pretty = \case
-    Commit -> pretty @String "commit"
-    Tree   -> pretty @String "tree"
-    Blob   -> pretty @String "blob"
-
-
-data GitObject = GitObject GitObjectType LBS.ByteString
-
-newtype GitRef = GitRef { unGitRef :: Text }
-                 deriving stock (Eq,Ord,Data,Generic,Show)
-                 deriving newtype (IsString,FromJSON,ToJSON,Monoid,Semigroup,Hashable)
-
-instance Serialise GitRef
-
-mkGitRef :: ByteString -> GitRef
-mkGitRef x = GitRef (decodeLatin1 x)
-
-instance Pretty GitRef where
-  pretty (GitRef x) = pretty @String [qc|{x}|]
-
-
-instance FromJSONKey GitRef where
-  fromJSONKey = FromJSONKeyText GitRef
-
-class Monad m => HasDependecies m a where
-  getDependencies :: a -> m [GitHash]
-
-class GitHashed a where
-  gitHashObject :: a -> GitHash
-
-instance GitHashed LBS.ByteString where
-  gitHashObject s = GitHash $ BA.convert digest
-    where
-      digest = hashlazy s :: Digest Crypto.SHA1
-
-instance GitHashed GitObject where
-  gitHashObject (GitObject t c) = gitHashObject  (hd <> c)
-    where
-      hd = LBS.pack $ show (pretty t) <> " " <> show (LBS.length c) <> "\x0"
-
-normalizeRef :: GitRef -> GitRef
-normalizeRef (GitRef x) = GitRef "refs/heads/" <> GitRef (fromMaybe x (Text.stripPrefix "refs/heads/" (strip x)))
-  where
-    strip = Text.dropWhile (=='+')
-
-guessHead :: GitRef -> Integer
-guessHead = \case
-  "refs/heads/master" -> 0
-  "refs/heads/main"   -> 0
-  _                   -> 1
-
-shutUp :: MonadIO m => m ()
-shutUp = do
-  setLoggingOff @DEBUG
-  setLoggingOff @ERROR
-  setLoggingOff @NOTICE
-  setLoggingOff @TRACE
-  setLoggingOff @INFO
-  setLoggingOff @WARN
-
-

hbs2-git/lib/HBS2Git/Alerts.hs

@@ -1,9 +0,0 @@
-module HBS2Git.Alerts where
-
-import HBS2.Prelude
-
-import Text.InterpolatedString.Perl6 (qc)
-
-noKeyInfoMsg :: forall a . Pretty a => a -> String
-noKeyInfoMsg repo =
-  [qc|*** No KeyInfo found, maybe malformed 'encryption' section for {pretty repo} in config|]

hbs2-git/lib/HBS2Git/Annotations.hs

@@ -1,20 +0,0 @@
-module HBS2Git.Annotations where
-
-import HBS2Git.Prelude
-import HBS2Git.Encryption
-
-data Annotation =
-  GK1 HashRef (GroupKey 'Symm HBS2Basic)
-  deriving (Generic)
-
-data Annotations =
-    NoAnnotations
-  | SmallAnnotations [Annotation]
-  deriving (Generic)
-
-instance Serialise Annotation
-instance Serialise Annotations
-
-
-
-

hbs2-git/lib/HBS2Git/App.hs

@@ -1,602 +0,0 @@
-{-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# Language AllowAmbiguousTypes #-}
-{-# Language UndecidableInstances #-}
-module HBS2Git.App
-  ( module HBS2Git.App
-  , module HBS2Git.Types
-  , HasStorage(..)
-  , HasConf(..)
-  )
-  where
-
-import HBS2.Prelude.Plated
-import HBS2.Data.Types.Refs
-import HBS2.Base58
-import HBS2.OrDie
-import HBS2.Hash
-import HBS2.Clock
-import HBS2.Storage
-import HBS2.Storage.Operations.ByteString as OP
-import HBS2.Net.Auth.GroupKeySymm qualified as Symm
-import HBS2.System.Logger.Simple
-import HBS2.Merkle
-import HBS2.Git.Types
-import HBS2.Peer.RPC.Client.StorageClient
-import HBS2.Net.Auth.Credentials hiding (getCredentials)
-import HBS2.Peer.Proto
-import HBS2.Defaults (defBlockSize)
-
-import HBS2.Peer.RPC.Client.Unix
-import HBS2.Peer.RPC.API.Peer
-import HBS2.Peer.RPC.API.RefLog
-
-import HBS2Git.Types
-import HBS2Git.Config as Config
-import HBS2Git.State
-import HBS2Git.KeysMetaData
-import HBS2Git.Encryption
-import HBS2Git.Evolve
-import HBS2Git.PrettyStuff
-import HBS2Git.Alerts
-
-import Data.Maybe
-import Control.Monad.Trans.Maybe
-import Data.Foldable
-import Data.Either
-import Control.Monad.Reader
-import Control.Monad.Trans.Resource
-import Control.Monad.Except (runExceptT)
-import Control.Monad.Catch
-import Crypto.Saltine.Core.Sign qualified as Sign
-import Data.ByteString.Lazy.Char8 (ByteString)
-import Data.ByteString.Char8 qualified as B8
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Set (Set)
-import Data.Set qualified as Set
-import Lens.Micro.Platform
-import System.Directory
-import System.FilePattern.Directory
-import System.FilePath
-import System.Process.Typed
-import Text.InterpolatedString.Perl6 (qc)
-import Control.Concurrent.STM (flushTQueue)
-import Codec.Serialise
-import Data.HashMap.Strict qualified as HashMap
-import Data.HashSet qualified as HashSet
-import Data.List qualified as List
-import Data.Text qualified as Text
-import System.Environment
-
-import Prettyprinter.Render.Terminal
-
-import Streaming.Prelude qualified as S
-
-import UnliftIO as UIO
-
-data NoRPCException = NoRPCException
-  deriving stock (Show, Typeable)
-
-instance Exception NoRPCException
-
--- instance HasTimeLimits  UNIX (ServiceProto PeerAPI UNIX) m where
-
-instance MonadIO m => HasCfgKey ConfBranch (Set String) m where
-  key = "branch"
-
-instance MonadIO m => HasCfgKey ConfBranch (Set GitRef) m where
-  key = "branch"
-
-instance MonadIO m => HasCfgKey HeadBranch (Maybe GitRef) m where
-  key = "head-branch"
-
-instance MonadIO m => HasCfgKey KeyRingFile (Maybe FilePath) m where
-  key = "keyring"
-
-instance MonadIO m => HasCfgKey KeyRingFiles (Set FilePath) m where
-  key = "keyring"
-
-instance MonadIO m => HasCfgKey StoragePref (Maybe FilePath) m where
-  key = "storage"
-
-tracePrefix :: SetLoggerEntry
-tracePrefix  = toStderr . logPrefix "[trace] "
-
-debugPrefix :: SetLoggerEntry
-debugPrefix  = toStderr . logPrefix "[debug] "
-
-errorPrefix :: SetLoggerEntry
-errorPrefix  = toStderr . logPrefix "[error] "
-
-warnPrefix :: SetLoggerEntry
-warnPrefix   = toStderr . logPrefix "[warn] "
-
-noticePrefix :: SetLoggerEntry
-noticePrefix = toStderr
-
-infoPrefix :: SetLoggerEntry
-infoPrefix = toStderr
-
-data WithLog = NoLog | WithLog
-
-
-instance MonadIO m => HasGlobalOptions (App m) where
-  addGlobalOption k v =
-    asks (view appOpts ) >>= \t -> liftIO $ atomically $
-      modifyTVar' t (HashMap.insert k v)
-
-  getGlobalOption k = do
-    hm <- asks (view appOpts) >>= liftIO . readTVarIO
-    pure (HashMap.lookup k hm)
-
-instance MonadIO m => HasRefCredentials (App m) where
-  setCredentials ref cred = do
-    asks (view appRefCred) >>= \t -> liftIO $ atomically $
-      modifyTVar' t (HashMap.insert ref cred)
-
-  getCredentials ref = do
-    hm <- asks (view appRefCred) >>= liftIO . readTVarIO
-    pure (HashMap.lookup ref hm) `orDie` "keyring not set (1)"
-
-instance MonadIO m => HasEncryptionKeys (App m) where
-  addEncryptionKey ke = do
-    asks (view appKeys) >>= \t -> liftIO $ atomically do
-      modifyTVar' t (HashMap.insert (view krPk ke) (view krSk ke))
-
-  findEncryptionKey puk = (asks (view appKeys) >>= \t -> liftIO $ readTVarIO t) <&> HashMap.lookup puk
-
-  enumEncryptionKeys = do
-    them <- (asks (view appKeys) >>= \t -> liftIO $ readTVarIO t) <&> HashMap.toList
-    pure $ [KeyringEntry k s Nothing | (k,s) <- them ]
-
-instance (Monad m, HasStorage m) => (HasStorage (ResourceT m)) where
-  getStorage = lift getStorage
-
-instance MonadIO m => HasStorage (App m) where
-  getStorage =  asks (rpcStorage . view appRpc) <&> AnyStorage . StorageClient
-
-instance MonadIO m => HasRPC (App m) where
-  getRPC =  asks (view appRpc)
-
-withApp :: MonadIO m => AppEnv -> App m a -> m a
-withApp env m = runReaderT (fromApp m) env
-
-
-detectRPC :: (MonadIO m, MonadThrow m) => Bool -> m FilePath
-detectRPC noisy = do
-  (_, o, _) <- readProcess (shell [qc|hbs2-peer poke|])
-
-  let answ = parseTop (LBS.unpack o) & fromRight mempty
-
-  so <- case headMay [ Text.unpack r | ListVal (Key "rpc:" [LitStrVal r]) <- answ  ] of
-          Nothing -> throwM NoRPCException
-          Just w  -> pure w
-
-  when noisy do
-
-    -- FIXME: logger-to-support-colors
-    liftIO $ hPutDoc stderr $ yellow "rpc: found RPC" <+> pretty so
-                              <> line <>
-                              yellow "rpc: add option" <+> parens ("rpc unix" <+> dquotes (pretty so))
-                              <+> "to the config .hbs2/config"
-                              <> line <> line
-
-
-  pure so
-
-runWithRPC :: forall m . (MonadUnliftIO m, MonadThrow m) => (RPCEndpoints -> m ()) -> m ()
-runWithRPC action = do
-
-  (_, syn) <- configInit
-
-  let soname' = lastMay [ Text.unpack n
-                        | ListVal (Key "rpc" [SymbolVal "unix", LitStrVal n]) <- syn
-                        ]
-
-  soname <- race ( pause @'Seconds 1) (maybe (detectRPC True) pure soname') `orDie` "hbs2-peer rpc timeout!"
-
-  client <- race ( pause @'Seconds 1) (newMessagingUnix False 1.0 soname) `orDie` "hbs2-peer rpc timeout!"
-
-  rpc <- RPCEndpoints <$> makeServiceCaller (fromString soname)
-                      <*> makeServiceCaller (fromString soname)
-                      <*> makeServiceCaller (fromString soname)
-
-  messaging <- async $ runMessagingUnix client
-  link messaging
-
-  let endpoints = [ Endpoint @UNIX  (rpcPeer rpc)
-                  , Endpoint @UNIX  (rpcStorage rpc)
-                  , Endpoint @UNIX  (rpcRefLog rpc)
-                  ]
-
-  c1 <- async $ liftIO $ runReaderT (runServiceClientMulti endpoints) client
-  link c1
-
-  test <- race ( pause @'Seconds 1) (callService @RpcPoke (rpcPeer rpc) ()) `orDie` "hbs2-peer rpc timeout!"
-
-  void $ pure test `orDie` "hbs2-peer rpc error!"
-
-  debug $ "hbs2-peer RPC ok" <+> pretty soname
-
-  action rpc
-
-  cancel messaging
-
-  void $ waitAnyCatchCancel [messaging, c1]
-
-runInit :: (MonadUnliftIO m, MonadThrow m) => m () -> m ()
-runInit m = m
-
-runApp :: (MonadUnliftIO m, MonadThrow m) => WithLog -> App m () -> m ()
-runApp l m = do
-
-  flip UIO.catches dealWithException do
-
-    case l of
-      NoLog   -> pure ()
-      WithLog -> do
-        setLogging @ERROR  errorPrefix
-        setLogging @NOTICE noticePrefix
-        setLogging @INFO   infoPrefix
-
-    doTrace <- liftIO $ lookupEnv "HBS2TRACE" <&> isJust
-
-    if doTrace then do
-      setLogging @DEBUG  debugPrefix
-      setLogging @TRACE  tracePrefix
-    else do
-      setLoggingOff @DEBUG
-      setLoggingOff @TRACE
-
-    evolve
-
-    (pwd, syn) <- Config.configInit
-
-    xdgstate <- getAppStateDir
-
-    runWithRPC $ \rpc -> do
-      mtCred <- liftIO $ newTVarIO mempty
-      mtKeys <- liftIO $ newTVarIO mempty
-      mtOpt <- liftIO $ newTVarIO mempty
-      let env = AppEnv pwd (pwd </> ".git") syn xdgstate mtCred mtKeys mtOpt rpc
-      runReaderT (fromApp (loadKeys >> m)) (set appRpc rpc env)
-
-    debug $ vcat (fmap pretty syn)
-
-    setLoggingOff @DEBUG
-    setLoggingOff @ERROR
-    setLoggingOff @NOTICE
-    setLoggingOff @TRACE
-    setLoggingOff @INFO
-
-  where
-    dealWithException = [ noWorkDir ]
-
-    noWorkDir = Handler $
-      \NoWorkDirException -> liftIO do
-        hPutDoc stderr $ "hbs2-git:" <+> red "*** no git working directory found."
-                                     <+> yellow "Perhaps you'd call" <+> "'git init'" <+> "first"
-                                     <> line
-        exitFailure
-
-readBlock :: forall m . (MonadIO m, HasStorage m) => HashRef -> m (Maybe ByteString)
-readBlock h = do
-  sto <- getStorage
-  liftIO $ getBlock sto (fromHashRef h)
-
-readRef :: (HasStorage m, MonadIO m) => RepoRef -> m (Maybe HashRef)
-readRef ref = do
-  sto <- getStorage
-  liftIO (getRef sto ref) <&> fmap HashRef
-
-readHashesFromBlock :: (MonadIO m, HasStorage m) => HashRef -> m [HashRef]
-readHashesFromBlock (HashRef h) = do
-  treeQ <- liftIO newTQueueIO
-  walkMerkle h (readBlock . HashRef) $ \hr -> do
-    case hr of
-      Left{} -> pure ()
-      Right (hrr :: [HashRef]) -> liftIO $ atomically $ writeTQueue treeQ hrr
-  re <- liftIO $ atomically $ flushTQueue treeQ
-  pure $ mconcat re
-
-type ObjType = MTreeAnn [HashRef]
-
-readObject :: forall m . (MonadIO m, HasStorage m) => HashRef -> m (Maybe ByteString)
-readObject h = runMaybeT do
-
-  q <- liftIO newTQueueIO
-
-  -- trace $ "readObject" <+> pretty h
-
-  blk <- MaybeT $ readBlock h
-
-  ann <- MaybeT $ pure $ deserialiseOrFail @(MTreeAnn [HashRef]) blk & either (const Nothing) Just
-
-  walkMerkleTree (_mtaTree ann) (lift . readBlock . HashRef) $ \(hr :: Either (Hash HbSync) [HashRef]) -> do
-    case hr of
-      Left{} -> mzero
-      Right (hrr :: [HashRef]) -> do
-        for_ hrr $ \(HashRef hx) -> do
-            block <- MaybeT $ readBlock (HashRef hx)
-            liftIO $ atomically $ writeTQueue q block
-
-  mconcat <$> liftIO (atomically $ flushTQueue q)
-
-calcRank :: forall m . (MonadIO m, HasStorage m) => HashRef -> m Int
-calcRank h = fromMaybe 0 <$> runMaybeT do
-
-  blk <- MaybeT $ readBlock h
-
-  ann <- MaybeT $ pure $ deserialiseOrFail @(MTree [HashRef]) blk & either (const Nothing) Just
-
-  n <- S.toList_ $ do
-    walkMerkleTree ann (lift . readBlock . HashRef) $ \(hr :: Either (Hash HbSync) [HashRef]) -> do
-      case hr of
-        Left{} -> pure ()
-        Right (hrr :: [HashRef]) -> do
-          S.yield (List.length hrr)
-
-  pure $ sum n
-
-postRefUpdate :: ( MonadIO m
-                 , MonadMask m
-                 , HasStorage m
-                 , HasConf m
-                 , HasRefCredentials m
-                 , HasEncryptionKeys m
-                 , HasRPC m
-                 , IsRefPubKey Schema
-                 )
-              => RepoRef
-              -> Integer
-              -> HashRef
-              -> m ()
-
-postRefUpdate ref seqno hash = do
-
-  cred <- getCredentials ref
-  let pubk = view peerSignPk cred
-  let privk = view peerSignSk cred
-
-  ann <- genKeysAnnotations ref
-
-  --  вот прямо сюда ОЧЕНЬ удобно вставить метаданные для GK1
-  let tran = SequentialRef seqno (AnnotatedHashRef ann hash)
-  let bs = serialise tran & LBS.toStrict
-
-  msg <- makeRefLogUpdate @HBS2L4Proto pubk privk bs
-
-  rpc <- getRPC <&> rpcRefLog
-
-  callService @RpcRefLogPost rpc msg
-    >>= either (err . viaShow) (const $ pure ())
-
-
-storeObject :: ( MonadIO m
-               , MonadMask m
-               , HasStorage m
-               , HasConf m
-               , HasRefCredentials m
-               , HasEncryptionKeys m
-               )
-            => RepoRef
-            -> ByteString
-            -> ByteString
-            -> m (Maybe HashRef)
-storeObject repo meta bs = do
-  encrypted <- isRefEncrypted (fromRefLogKey repo)
-  info $ "encrypted" <+> pretty repo <> colon <+> if encrypted then "yes" else "no"
-  storeObjectRPC encrypted repo meta bs
-
-
-
-data WriteOp = WritePlain | WriteEncrypted B8.ByteString
-
-storeObjectRPC :: ( MonadIO m
-                  , MonadMask m
-                  , HasStorage m
-                  , HasConf m
-                  , HasRefCredentials m
-                  , HasEncryptionKeys m
-                  )
-               => Bool
-               -> RepoRef
-               -> ByteString
-               -> ByteString
-               -> m (Maybe HashRef)
-
-storeObjectRPC False repo meta bs = do
-  sto <- getStorage
-  db <- makeDbPath repo >>= dbEnv
-
-  runMaybeT do
-
-
-    h <- liftIO $ writeAsMerkle sto bs
-    let txt = LBS.unpack meta & Text.pack
-    blk <- MaybeT $ liftIO $ getBlock sto h
-
-    -- FIXME: fix-excess-data-roundtrip
-    mtree <- MaybeT $ deserialiseOrFail @(MTree [HashRef]) blk
-                    & either (const $ pure  Nothing) (pure . Just)
-
-    -- TODO: upadte-metadata-right-here
-    let ann = serialise (MTreeAnn (ShortMetadata txt) NullEncryption mtree)
-    MaybeT $ liftIO $ putBlock sto ann <&> fmap HashRef
-
-
-storeObjectRPC True repo meta bs = do
-
-  sto <- getStorage
-  db <- makeDbPath repo >>= dbEnv
-
-  runMaybeT do
-
-    let txt = LBS.unpack meta & Text.pack
-
-    ki <- lift $ getKeyInfo (fromRefLogKey repo) >>= maybe noKeyInfo pure
-    gkh0 <- withDB db $ stateGetLocalKey ki >>= maybe noKeyFound pure
-
-    gk0  <- runExceptT (readFromMerkle sto (SimpleKey (fromHashRef gkh0)))
-               >>= either (const $ noKeyFound) (pure . deserialiseOrFail @(GroupKey 'Symm HBS2Basic))
-               >>= either (const $ noKeyFound) pure
-
-    let pk = keyInfoOwner ki
-
-    sk <- lift (findEncryptionKey pk) >>= maybe noKeyFound pure
-
-    gks <- maybe noKeyFound pure (Symm.lookupGroupKey sk pk gk0)
-
-    let nonce = hashObject @HbSync bs & serialise
-                                      & LBS.drop 2
-                                      & LBS.toStrict
-
-    let bsStream = readChunkedBS bs defBlockSize
-
-    let source = ToEncryptSymmBS gks
-                                 (Left gkh0 :: LoadedRef (GroupKey 'Symm HBS2Basic))
-                                 nonce
-                                 bsStream
-                                 (ShortMetadata txt)
-                                 Nothing
-
-    h <- runExceptT (writeAsMerkle sto source) >>= either (const cantWriteMerkle) pure
-
-    pure (HashRef h)
-
-  where
-
-    cantWriteMerkle :: forall a m . MonadIO m => m a
-    cantWriteMerkle = die "Can't write encrypted merkle tree"
-
-    noKeyFound :: forall a m . MonadIO m => m a
-    noKeyFound = do
-      liftIO $ hPutDoc stderr (red $ "No group key found for repo" <+> pretty repo <> line)
-      die "*** fatal"
-
-    noKeyInfo = do
-      liftIO $ hPutDoc stderr (red $ pretty (noKeyInfoMsg repo) <> line)
-      die "*** fatal"
-
-
-loadCredentials :: ( MonadIO m
-                   , HasConf m
-                   , HasRefCredentials m
-                   ) => [FilePath] -> m ()
-loadCredentials fp = do
-
-  debug $ "loadCredentials" <+> pretty fp
-
-  krOpt' <- cfgValue @KeyRingFiles @(Set FilePath) <&> Set.toList
-
-  let krOpt = List.nub $ fp <> krOpt'
-
-  void $ runMaybeT do
-
-    when (null krOpt) do
-      debug "keyring not set (2)"
-      mzero
-
-    for_ krOpt $ \fn -> do
-      (puk, cred) <- loadKeyring fn
-      trace $ "got creds for" <+> pretty (AsBase58 puk)
-      lift $ setCredentials (RefLogKey puk) cred
-      pure ()
-
-loadCredentials' ::
-    ( MonadIO m
-    , HasRefCredentials m
-    )
-    => FilePath -> m Sign.PublicKey
-loadCredentials' fn = do
-    (puk, cred) <- runMaybeT (loadKeyring fn) `orDie` [qc|Can't load credentials {fn}|]
-    trace $ "got creds for" <+> pretty (AsBase58 puk)
-    setCredentials (RefLogKey puk) cred
-    pure puk
-
-loadKeyring :: (MonadIO m, MonadPlus m) => FilePath -> m (Sign.PublicKey, PeerCredentials Schema)
-loadKeyring fn = do
-    krData <- liftIO $ B8.readFile fn
-
-    let cred' = parseCredentials @Schema (AsCredFile krData)
-
-    maybe1 cred' mzero $ \cred -> do
-      let puk = view peerSignPk cred
-      pure (puk, cred)
-
-
-makeFilter :: String -> (String, [String])
-makeFilter = norm . over _1 sub1 . over _2 List.singleton . go ""
-  where
-    go pref ( cn : cs ) | cn `elem` "?*" = (p0, p1 <> p2)
-      where
-        (p0, p1) = splitFileName pref
-        p2 = cn : cs
-
-    go pref ( '/' : cn : cs ) | cn `elem` "?*" = (pref <> ['/'], cn : cs)
-
-    go pref ( c : cs ) = go (pref <> [c]) cs
-
-    go pref [] = (pref, "")
-
-    sub1 "" = "."
-    sub1 x = x
-
-    norm (xs, [""]) = (p1, [p2])
-      where
-        (p1, p2) = splitFileName xs
-
-    norm x = x
-
-loadKeys :: ( MonadIO m
-            , HasConf m
-            , HasEncryptionKeys m
-            , HasGlobalOptions m
-            ) => m ()
-loadKeys = do
-  conf <- getConf
-
-  trace $ "loadKeys"
-
-  found1 <- findKeyFiles =<< liftIO (lookupEnv "HBS2KEYS")
-  found2 <- findKeyFiles =<< getGlobalOption "key"
-
-  found <- liftIO $ mapM canonicalizePath (found1 <> found2)
-
-  let enc = [ args | (ListVal (SymbolVal "encrypted" : (LitStrVal r) : args)) <- conf ]
-
-  let owners  = [ fromStringMay @(PubKey 'Encrypt Schema) (Text.unpack o)
-                | ListVal (Key "owner" [LitStrVal o]) :: Syntax C <- universeBi enc
-                ] & catMaybes & HashSet.fromList
-
-
-  let members = [ fromStringMay @(PubKey 'Encrypt Schema) (Text.unpack o)
-                | ListVal (Key "member" [LitStrVal o]) :: Syntax C <- universeBi enc
-                ] & catMaybes & HashSet.fromList
-
-  let decrypt =  [ Text.unpack o
-                 | ListVal (Key "decrypt" [LitStrVal o]) <- conf
-                 ]
-
-  let keyrings = [ Text.unpack o | (ListVal (Key "keyring" [LitStrVal o]) :: Syntax C)
-                 <- universeBi enc
-                 ] <> decrypt <> found
-                 & List.nub
-
-  forM_ keyrings $ \k -> void $ runMaybeT do
-    trace $ "loadKeys: keyring" <+> pretty k
-    (_, pc) <- loadKeyring k
-
-    forM_ (view peerKeyring pc) $ \ke -> do
-      let pk = view krPk  ke
-
-      trace $ "loadKeyring: key" <+> pretty (AsBase58 pk)
-      lift $ addEncryptionKey ke
-
-
-  where
-    findKeyFiles w = do
-        let flt = makeFilter <$> w
-        maybe1 flt (pure mempty) $
-          \(p, fmask) -> liftIO do
-            getDirectoryFiles p fmask <&> fmap (p</>)
-

hbs2-git/lib/HBS2Git/Config.hs

@@ -1,142 +0,0 @@
-module HBS2Git.Config
-  ( module HBS2Git.Config
-  , module Data.Config.Suckless
-  ) where
-
-import HBS2.Prelude.Plated
-import HBS2.Base58
-import HBS2.System.Logger.Simple
-import HBS2.OrDie
-
-import Data.Config.Suckless
-
-import HBS2Git.Types
-
-import Control.Applicative
-
-import Control.Exception
-import Control.Monad.Catch (MonadThrow, throwM)
-import System.FilePath
-import System.Directory
-import Data.Maybe
-import Data.Either
-import Data.List (isSuffixOf)
-import Control.Monad.Trans.Maybe
-
-import System.Environment
-
-import System.IO (stderr)
-
-data NoWorkDirException =
-  NoWorkDirException
-  deriving (Show, Typeable)
-
-instance Exception NoWorkDirException
-
-appName :: FilePath
-appName = "hbs2-git"
-
--- Finds .git dir inside given directory moving upwards
-findGitDir :: MonadIO m => FilePath -> m (Maybe FilePath)
-findGitDir dir = liftIO do
-  trace "locating .git directory"
-  let gitDir = dir </> ".git"
-  exists <- doesDirectoryExist gitDir
-  if exists
-    then return $ Just gitDir
-    else let parentDir = takeDirectory dir
-         in if parentDir == dir -- we've reached the root directory
-               then return Nothing
-               else findGitDir parentDir
-
-configPathOld :: MonadIO m => FilePath -> m FilePath
-configPathOld pwd = liftIO do
-  xdg <- liftIO $ getXdgDirectory XdgConfig appName
-  home <- liftIO getHomeDirectory
-  pure $ xdg </> makeRelative home pwd
-
-configPath :: (MonadIO m, MonadThrow m) => FilePath -> m FilePath
-configPath _ = do
-  pwd <- liftIO getCurrentDirectory
-  git <- findGitDir pwd
-  byEnv <- liftIO $ lookupEnv "GIT_DIR"
-
-  bare <- if isJust (git <|> byEnv) then do
-            pure Nothing
-          else runMaybeT do
-            -- check may be it's a bare git repo
-            gitConf <- toMPlus =<< liftIO ( try @IOException $
-                                             readFile "config"
-                                                <&> parseTop
-                                                <&> fromRight mempty )
-
-            let core = or [True | SymbolVal @C "core" <- universeBi gitConf]
-            let bare = or [True | ListVal [SymbolVal @C "bare", _, SymbolVal "true"] <- universeBi gitConf ]
-            let repo = or [True | SymbolVal @C "repositoryformatversion" <- universeBi gitConf ]
-
-            if core && bare && repo then do
-              pure pwd
-            else
-              MaybeT $ pure Nothing
-
-  let maybePath = dropSuffix <$> (git <|> byEnv <|> bare)
-
-  path <- maybe (throwM NoWorkDirException)
-                pure
-                maybePath
-
-  pure (path </> ".hbs2")
-
-  where
-    dropSuffix s | isSuffixOf ".git/" s = takeDirectory s
-                 | isSuffixOf ".git" s  = takeDirectory s
-                 | otherwise = s
-
-data ConfigPathInfo = ConfigPathInfo {
-  configRepoParentDir :: FilePath,
-  configDir :: FilePath,
-  configFilePath :: FilePath
-} deriving (Eq, Show)
-
--- returns git repository parent dir, config directory and config file path
-getConfigPathInfo :: (MonadIO m, MonadThrow m) => m ConfigPathInfo
-getConfigPathInfo = do
-  trace "getConfigPathInfo"
-  confP <- configPath ""
-  let pwd = takeDirectory confP
-  let confFile = confP </> "config"
-  trace $ "confPath:" <+> pretty confP
-  pure ConfigPathInfo {
-      configRepoParentDir = pwd,
-      configDir = confP,
-      configFilePath = confFile
-    }
-
--- returns current directory, where found .git directory
-configInit :: (MonadIO m, MonadThrow m) => m (FilePath, [Syntax C])
-configInit = liftIO do
-  trace "configInit"
-  ConfigPathInfo{..} <- getConfigPathInfo
-  here <- doesDirectoryExist configDir
-  unless here do
-    debug $ "create directory" <+> pretty configDir
-    createDirectoryIfMissing True configDir
-  confHere <- doesFileExist configFilePath
-  unless confHere do
-    appendFile configFilePath ""
-  cfg <- readFile configFilePath <&> parseTop <&> either mempty id
-  pure (configRepoParentDir, cfg)
-
-cookieFile :: (MonadIO m, MonadThrow m) => m FilePath
-cookieFile = configPath "" <&> (</> "cookie")
-
-getAppStateDir :: forall m . MonadIO m => m FilePath
-getAppStateDir = liftIO $ getXdgDirectory XdgData appName
-
-
-makeDbPath :: MonadIO m => RepoRef -> m FilePath
-makeDbPath h = do
-  state <- getAppStateDir
-  liftIO $ createDirectoryIfMissing True state
-  pure $ state </> show (pretty (AsBase58 h))
-

hbs2-git/lib/HBS2Git/Encryption.hs

@@ -1,55 +0,0 @@
-module HBS2Git.Encryption
-  ( module HBS2Git.Encryption
-  , module HBS2Git.Encryption.KeyInfo
-  , module HBS2.Net.Auth.GroupKeySymm
-  ) where
-
-import HBS2Git.Prelude
-
-import HBS2.Net.Auth.Credentials
-import HBS2.Net.Proto.Types hiding (Cookie)
-import HBS2.Net.Auth.GroupKeySymm hiding (Cookie)
-
-
-import HBS2Git.Encryption.KeyInfo
-
-import Data.Config.Suckless.Syntax
-import Data.Config.Suckless.KeyValue
-
-import Data.HashSet qualified as HashSet
-import Data.Maybe
-import Data.Text qualified as Text
-import Data.Time.Clock.POSIX
-
--- type ForEncryption ?
-
-isRefEncrypted :: (MonadIO m, HasConf m) => PubKey 'Sign HBS2Basic -> m Bool
-isRefEncrypted ref = do
-  conf <- getConf
-
-  let ee = [ True
-           | (ListVal (SymbolVal "encrypted" : (LitStrVal r) : _))  <- conf
-           , fromStringMay (Text.unpack r) == Just ref
-           ]
-
-  -- liftIO $ hPutDoc stderr $ "isRefEncrypted" <+> pretty (AsBase58 ref) <+> pretty ee <+> pretty (not (null ee)) <> line
-
-  pure $ not $ null ee
-
-getKeyInfo :: (MonadIO m, HasConf m) => PubKey 'Sign HBS2Basic -> m (Maybe KeyInfo)
-getKeyInfo ref = do
-  conf <- getConf
-
-  now <- liftIO getPOSIXTime
-  let every = [ keyInfoFrom now syn | syn <- conf
-              , isJust (keyInfoFrom now syn)
-              ] & catMaybes
-
-  pure (lastMay [ x | x <- every, keyInfoRef x == ref ])
-
-
-genGK0 :: (MonadIO m) => KeyInfo -> m (GroupKey 'Symm  HBS2Basic)
-genGK0 ki = generateGroupKey @HBS2Basic Nothing members
-  where
-    members = HashSet.toList ( keyInfoOwner ki `HashSet.insert` keyInfoMembers ki )
-

hbs2-git/lib/HBS2Git/Encryption/KeyInfo.hs

@@ -1,56 +0,0 @@
-{-# Language UndecidableInstances #-}
-module HBS2Git.Encryption.KeyInfo where
-
-import HBS2.Prelude.Plated
-import HBS2.Hash
-import HBS2.Net.Auth.Credentials
-
-import HBS2.Net.Proto.Types hiding (Cookie)
-
-import Data.Config.Suckless.Syntax
-import Data.Config.Suckless.KeyValue
-
-import Codec.Serialise
-import Data.HashSet
-import Data.HashSet qualified as HashSet
-import Data.Text qualified as Text
-import Data.Time.Clock.POSIX (POSIXTime)
-import Data.Maybe
-
-
-data KeyInfo =
-  KeyInfo
-  { keyInfoNonce   :: Integer
-  , keyInfoRef     :: PubKey 'Sign HBS2Basic
-  , keyInfoOwner   :: PubKey 'Encrypt HBS2Basic
-  , keyInfoMembers :: HashSet (PubKey 'Encrypt HBS2Basic)
-  }
-  deriving (Eq,Ord,Show,Generic)
-
-type ForKeys s = (Serialise (PubKey 'Sign s), Serialise (PubKey 'Encrypt s))
-
-instance ForKeys HBS2Basic => Serialise KeyInfo
-
-instance ForKeys HBS2Basic => Hashed HbSync KeyInfo where
-  hashObject ki = hashObject (serialise ki)
-
-
-keyInfoFrom :: POSIXTime -> Syntax C -> Maybe KeyInfo
-keyInfoFrom t (ListVal (SymbolVal "encrypted" : (LitStrVal r) : args)) =
-  KeyInfo <$> nonce
-          <*> ref
-          <*> owner
-          <*> members
-
-  where
-    nonce = Just $ maybe 0 (round t `div`) ttl
-    ref = fromStringMay  (Text.unpack r)
-    ttl = Just $ lastDef 86400 [ x | ListVal (Key "ttl" [LitIntVal x]) <- args ]
-    owner = fromStringMay =<< lastMay [ Text.unpack o | ListVal (Key "owner" [LitStrVal o]) <- args ]
-    members = Just $ HashSet.fromList
-                   $ catMaybes
-                   [ fromStringMay (Text.unpack o) | ListVal (Key "member" [LitStrVal o]) <- args ]
-
-    -- keypath = lastMay [ Text.unpack p | ListVal @C (Key "keyring" [LitStrVal p]) <- args ]
-
-keyInfoFrom _ _ = Nothing

hbs2-git/lib/HBS2Git/Evolve.hs

@@ -1,108 +0,0 @@
-module HBS2Git.Evolve (evolve,makePolled) where
-
-import HBS2.Prelude.Plated
-import HBS2.System.Logger.Simple
-import HBS2.Net.Proto.Service
-
-import HBS2.Peer.RPC.API.Peer
-
-import HBS2Git.Types
-import HBS2Git.Config
-import HBS2Git.PrettyStuff
-
-import Control.Monad.Trans.Maybe
-import Control.Monad.Catch (MonadThrow(..))
-import Data.List qualified as List
-import System.Directory
-import System.Random
-import System.FilePath
-import UnliftIO
-
--- NOTE: hbs2-git-evolve
---   выполняет идемпотентные миграции между старыми и
---   новыми версиями.
---   например, переносит конфиг
-
-evolve :: (MonadIO m, MonadThrow m) => m ()
-evolve = void $ runMaybeT do
-
-  here   <- liftIO getCurrentDirectory
-
-  debug $ "evolve: current directory:" <+> pretty here
-
-  cfg <- configPath ""
-
-  debug $ "*** GIT DIRECTORY" <+> pretty cfg
-
-  migrateConfig
-  generateCookie
-
-
-makePolled :: (MonadIO m, HasRPC m) => RepoRef -> m ()
-makePolled ref = do
-  rpc <- getRPC <&> rpcPeer
-  n <- liftIO $ randomRIO (4,7)
-  void $ callService @RpcPollAdd rpc (fromRefLogKey ref, "reflog", n)
-
-generateCookie :: (MonadIO m, MonadThrow m) => m ()
-generateCookie = void $ runMaybeT do
-  file <- cookieFile
-
-  guard =<< liftIO (not <$> doesFileExist file)
-
-  -- NOTE: cookie-note
-  --  поскольку куки должна быть уникальна в рамках БД,
-  --  а тут мы пока не знаем, с какой БД мы работаем,
-  --  то отложим генерацию куки до создания БД.
-  --  В скором времени БД будет одна, но пока это не так
-  liftIO $ writeFile file ""
-
-
-migrateConfig :: (MonadIO m, MonadThrow m) => m ()
-migrateConfig = void $ runMaybeT do
-  here   <- liftIO getCurrentDirectory
-
-  rootDir <- configPath "" <&> takeDirectory
-
-  oldPath <- configPathOld here
-  let oldConf = oldPath </> "config"
-
-  let newConfDir = rootDir </> ".hbs2"
-  let newConfFile = newConfDir </> "config"
-
-  guard =<< liftIO (not <$> doesFileExist newConfFile)
-
-  trace $ "EVOLVE: root directory" <+> pretty newConfDir
-
-  confFileHere <- liftIO $ doesFileExist newConfFile
-
-  guard (not confFileHere)
-
-  liftIO do
-    hPutDoc stderr $ red "evolve: creating new config" <+> pretty newConfFile <> line
-    createDirectoryIfMissing True newConfDir
-
-    appendFile newConfFile ""
-
-    oldHere <- doesFileExist oldConf
-
-    when oldHere do
-      hPutDoc stderr $ red "evolve: moving config to" <+> pretty newConfFile <> line
-      liftIO $ renameFile oldConf newConfFile
-
-      anything <- liftIO $ listDirectory oldPath
-
-      if List.null anything then do
-        hPutDoc stderr $ red "evolve: removing"
-                          <+> pretty oldPath <> line
-
-        removeDirectory oldPath
-      else do
-        hPutDoc stderr $ red "evolve: not empty" <+> pretty oldPath <> line
-
-        hPutDoc stderr $ yellow "evolve: remove"
-                            <+> pretty oldPath
-                            <+> yellow "on your own"
-                            <> line
-
-

hbs2-git/lib/HBS2Git/Export.hs

@@ -1,540 +0,0 @@
-{-# Language AllowAmbiguousTypes #-}
-{-# Language RankNTypes #-}
-{-# Language TemplateHaskell #-}
-module HBS2Git.Export
-  ( exportRefDeleted
-  , exportRefOnly
-  , runExport
-  , runExport'
-  , ExportRepoOps
-  ) where
-
-import HBS2.Prelude.Plated
-import HBS2.Data.Types.Refs
-import HBS2.OrDie
-import HBS2.System.Logger.Simple
-import HBS2.Base58
-import HBS2.Peer.Proto
-
-import HBS2.Git.Local
-import HBS2.Git.Local.CLI
-
-import HBS2Git.App
-import HBS2Git.State
-import HBS2Git.Config
-import HBS2Git.KeysMetaData
-import HBS2Git.GitRepoLog
-import HBS2Git.PrettyStuff
-
-import Control.Applicative
-import Control.Monad.Catch
-import Control.Monad.Reader
-import Control.Concurrent.STM
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.HashMap.Strict qualified as HashMap
-import Data.HashSet qualified as HashSet
-import Data.HashSet (HashSet)
-import Data.Maybe
-import Data.Set qualified as Set
-import Data.Map qualified as Map
-import Data.List qualified as List
-import Lens.Micro.Platform
-import Prettyprinter.Render.Terminal
-import System.Directory
-import System.FilePath
-import Text.InterpolatedString.Perl6 (qc)
-import UnliftIO.IO
-import System.IO hiding (hClose,hPrint,hPutStrLn,hFlush)
-import System.IO.Temp
-import Control.Monad.Trans.Resource
-import Data.List.Split (chunksOf)
-import Codec.Compression.GZip
-import Control.Monad.Trans.Maybe
-
-class ExportRepoOps a where
-
-instance ExportRepoOps ()
-
-data ExportEnv =
-  ExportEnv
-  { _exportDB          :: DBEnv
-  , _exportWritten     :: TVar (HashSet GitHash)
-  , _exportFileName    :: FilePath
-  , _exportDir         :: FilePath
-  , _exportRepo        :: RepoRef
-  , _exportReadObject  :: GitHash -> IO (Maybe GitObject)
-  }
-
-makeLenses 'ExportEnv
-
-
-exportRefDeleted :: forall  o m . ( MonadIO m
-                                  , MonadCatch m
-                                  , MonadMask m
-                                  , MonadUnliftIO m
-                                  , HasConf m
-                                  , HasRefCredentials m
-                                  , HasEncryptionKeys m
-                                  , HasProgress m
-                                  , HasStorage m
-                                  , HasRPC m
-                                  , ExportRepoOps o
-                                  )
-              => o
-              -> RepoRef
-              -> GitRef
-              -> m HashRef
-exportRefDeleted _ repo ref = do
-  trace $ "exportRefDeleted" <+> pretty repo <+> pretty ref
-
-  dbPath <- makeDbPath repo
-  db <- dbEnv dbPath
-
-  let opts = ()
-
-  -- это "ненормальный" лог, т.е удаление ссылки в текущем контексте
-  --  мы удаляем ссылку "там", то есть нам нужно "то" значение ссылки
-  --  удалить её локально мы можем и так, просто гитом.
-  --  NOTE: empty-log-post
-  --    мы тут  постим пустой лог (не содержащий коммитов)
-  --    нам нужно будет найти его позицию относитеьлно прочих логов.
-  --    его контекст = текущее значение ссылки, которое мы удаляем
-  --    но вот если мы удаляем уже удаленную ссылку, то для ссылки 00..0
-  --    будет ошибка где-то.
-
-  vals <- withDB db $ stateGetLastKnownCommits 10
-  let (ctxHead, ctxBs) = makeContextEntry vals
-
-  trace $ "DELETING REF CONTEXT" <+> pretty vals
-
-  let repoHead = RepoHead Nothing (HashMap.fromList [(ref,"0000000000000000000000000000000000000000")])
-  let repoHeadStr =  (LBS.pack . show . pretty . AsGitRefsFile) repoHead
-  let ha = gitHashObject (GitObject Blob repoHeadStr)
-  let headEntry = GitLogEntry GitLogEntryHead (Just ha) ( fromIntegral $ LBS.length repoHeadStr )
-
-  r <- fromMaybe 0 <$> runMaybeT do
-          h <- MaybeT $ readRef repo
-          calcRank h
-
-  let rankBs = serialise (GitLogContextRank r)
-  let rank = GitLogEntry GitLogContext Nothing (fromIntegral $ LBS.length rankBs)
-
-  let content  =  gitRepoLogMakeEntry opts ctxHead ctxBs
-                   <> gitRepoLogMakeEntry opts headEntry repoHeadStr
-                   <> gitRepoLogMakeEntry opts rank rankBs
-
-  -- FIXME: remove-code-dup
-  let meta = fromString $ show
-                          $    "hbs2-git" <> line
-                            <> "type:" <+> "hbs2-git-push-log"
-                            <> line
-
-  updateGK0  repo
-
-  logMerkle <- storeObject repo meta content `orDie` [qc|Can't store push log|]
-  postRefUpdate repo 0 logMerkle
-  pure logMerkle
-
-makeContextEntry :: [GitHash] -> (GitLogEntry, LBS.ByteString)
-makeContextEntry  hashes = (entryHead, payload)
-  where
-    ha = Nothing
-    payload = GitLogContextCommits (HashSet.fromList hashes) & serialise
-    entryHead = GitLogEntry GitLogContext ha undefined
-
-
-newtype ExportT m a = ExportT { fromExportT :: ReaderT ExportEnv m a }
-                      deriving newtype ( Functor
-                                       , Applicative
-                                       , Monad
-                                       , MonadIO
-                                       , MonadTrans
-                                       , MonadReader ExportEnv
-                                       , MonadMask
-                                       , MonadCatch
-                                       , MonadThrow
-                                       )
-
-instance (Monad m, HasStorage m) => HasStorage (ExportT m) where
-  getStorage = lift getStorage
-
-instance (Monad m, HasConf m) => HasConf (ExportT m) where
-  getConf = lift getConf
-
-instance (Monad m, HasRPC m) => HasRPC (ExportT m) where
-  getRPC = lift getRPC
-
-instance (Monad m, HasEncryptionKeys m) => HasEncryptionKeys (ExportT m) where
-  addEncryptionKey = lift . addEncryptionKey
-  findEncryptionKey k  = lift $ findEncryptionKey k
-  enumEncryptionKeys = lift enumEncryptionKeys
-
-withExportEnv :: MonadIO m => ExportEnv -> ExportT m a -> m a
-withExportEnv env f = runReaderT (fromExportT f) env
-
-writeLogSegments :: forall m . ( MonadIO m
-                               , HasStorage m
-                               , HasRPC m
-                               , MonadMask m
-                               , HasRefCredentials m
-                               , HasEncryptionKeys m
-                               , HasConf m
-                               )
-                 => ( Int -> m () )
-                 -> RepoRef
-                 -> GitHash
-                 -> [GitHash]
-                 -> Int
-                 -> [(GitLogEntry, LBS.ByteString)]
-                 -> ExportT m [HashRef]
-
-writeLogSegments onProgress repo val objs chunkSize trailing = do
-
-  db          <- asks $ view exportDB
-  written     <- asks $ view exportWritten
-  fname       <- asks $ view exportFileName
-  dir         <- asks $ view exportDir
-  remote      <- asks $ view exportRepo
-  readGit     <- asks $ view exportReadObject
-
-  let opts = CompressWholeLog
-
-  -- TODO: options-for-compression-level
-  --   помним, что всё иммутабельное. как один раз запостим,
-  --   такое и будет жить всегда
-  let compressOpts = defaultCompressParams { compressLevel = bestSpeed }
-
-  rank <- fromMaybe 0 <$> runMaybeT do
-            h <- MaybeT $ readRef remote
-            calcRank h <&> fromIntegral
-
-  -- FIXME: fix-code-dup
-  let meta = fromString $ show
-                        $     "hbs2-git"
-                           <> line
-                           <> "type:"    <+> "hbs2-git-push-log"
-                           <> line
-                           <> "flags:"   <+> "gz:sgmt"
-                           <> line
-
-  let segments = chunksOf chunkSize objs
-  let totalSegments = length segments
-
-  -- TODO: no-sense-in-temp-files
-  --   временные файлы больше не имеют смысла, т.к мы
-  --   1) нарезаем на небольшие сегменты
-  --   2) всё равно их читаем обратно в память, что бы сжать gzip
-  --   нужно удалить, будет работать чуть быстрее
-
-  r <- forM (zip segments [1..]) $ \(segment, segmentIndex) -> do
-    let fpath = dir </> fname <> "_" <> show segmentIndex
-    bracket (liftIO $ openBinaryFile fpath AppendMode)
-            (const $ pure ()) $ \fh -> do
-      for_ segment $ \d -> do
-        here <- liftIO $ readTVarIO written <&> HashSet.member d
-        inState <- withDB db (stateIsLogObjectExists d)
-
-        lift $ onProgress 1
-
-        unless (here || inState) do
-
-          GitObject tp o  <- liftIO $ readGit d `orDie` [qc|error reading object {pretty d}|]
-
-          let entry = GitLogEntry ( gitLogEntryTypeOf tp ) (Just d) ( fromIntegral $ LBS.length o )
-          gitRepoLogWriteEntry opts fh entry o
-          liftIO $ atomically $ modifyTVar written (HashSet.insert d)
-
-          -- gitRepoLogWriteEntry fh ctx ctxBs
-
-          trace $ "writing" <+> pretty tp <+> pretty d
-
-      when (segmentIndex == totalSegments) $ do
-        for_ trailing $ \(e, bs) -> do
-          gitRepoLogWriteEntry opts fh e bs
-
-      -- finalize log section
-      hClose fh
-
-      content   <- liftIO $ LBS.readFile fpath
-
-      let gzipped = compressWith compressOpts content
-
-      -- let nonce = hashObject @HbSync (serialise segments)
-      logMerkle <- lift $ storeObject repo meta gzipped `orDie` [qc|Can't store push log|]
-
-      trace $ "PUSH LOG HASH: " <+> pretty logMerkle
-      trace $ "POSTING REFERENCE UPDATE TRANSACTION" <+> pretty remote <+> pretty logMerkle
-
-      lift $ postRefUpdate remote rank logMerkle
-
-      pure logMerkle
-
-
-  if not (null r) then do
-    pure r
-  else do
-    let content = foldMap (uncurry (gitRepoLogMakeEntry opts)) trailing
-                   & compressWith compressOpts
-
-    logMerkle <- lift $ storeObject repo meta content `orDie` [qc|Can't store push log|]
-
-    lift $ postRefUpdate remote rank logMerkle
-
-    pure [logMerkle]
-
--- | Exports only one ref to the repo.
---   Corresponds to a single ```git push``` operation
-exportRefOnly :: forall  o m . ( MonadIO m
-                               , MonadCatch m
-                               , MonadMask m
-                               , MonadUnliftIO m
-                               , HasConf m
-                               , HasRefCredentials m
-                               , HasEncryptionKeys m
-                               , HasProgress m
-                               , HasStorage m
-                               , HasRPC m
-                               , ExportRepoOps o
-                               )
-              => o
-              -> RepoRef
-              -> Maybe GitRef
-              -> GitRef
-              -> GitHash
-              -> m (Maybe HashRef)
-
-exportRefOnly _ remote rfrom ref val = do
-
-  let repoHead = RepoHead Nothing (HashMap.fromList [(ref,val)])
-
-  let repoHeadStr =  (LBS.pack . show . pretty . AsGitRefsFile) repoHead
-
-  dbPath <- makeDbPath remote
-  db <- dbEnv dbPath
-
-  r <- fromMaybe 0 <$> runMaybeT do
-          h <- MaybeT $ readRef remote
-          calcRank h
-
-  updateGK0 remote
-
-  trace $ "exportRefOnly" <+> pretty remote <+> pretty ref <+> pretty val
-
-  -- 1. get max ref value for known REMOTE branch
-  -- 2. if unkwnown - get max branch ref value for known LOCAL branch (known from the state)
-  -- 3. if unkwnown - then Nothing
-  -- therefore, we export only the delta for the objects for push between known state and current
-  -- git repot state
-  -- if it's a new branch push without any objects commited -- then empty log
-  -- only with HEAD section should be created
-  lastKnownRev <- withDB db do
-                    rThat <- stateGetActualRefValue  ref
-                    rThis <- maybe1 rfrom (pure Nothing) stateGetActualRefValue
-                    pure $ rThat  <|> rThis
-
-  trace $ "LAST_KNOWN_REV" <+> braces (pretty rfrom) <+> braces (pretty ref) <+> braces (pretty lastKnownRev)
-
-  entries <- traceTime "gitRevList" $ gitRevList lastKnownRev val
-
-  let entryNum = length entries
-
-  -- NOTE: just-for-test-new-non-empty-push-to-another-branch-112
-
-  -- FIXME: may-blow-on-huge-repo-export
-  types <- traceTime "gitGetObjectTypeMany" $ gitGetObjectTypeMany entries <&> Map.fromList
-
-  let lookupType t = Map.lookup t types
-
-  let onEntryType e = (fx $ lookupType e, e)
-         where fx = \case
-                 Just Blob   -> 0
-                 Just Tree   -> 1
-                 Just Commit -> 2
-                 Nothing     -> 3
-
-  trace $ "ENTRIES:" <+> pretty (length entries)
-
-  trace "MAKING OBJECTS LOG"
-
-  let fname = [qc|{pretty val}.data|]
-
-  -- TODO: investigate-on-signal-behaviour
-  --   похоже, что в случае прилёта сигнала он тут не обрабатывается,
-  --   и временный каталог остаётся
-  runResourceT $ do
-
-    gitCatFile <- startGitCatFile
-
-    written <- liftIO $ newTVarIO (HashSet.empty :: HashSet GitHash)
-
-    let myTempDir = "hbs-git"
-    temp <- liftIO getCanonicalTemporaryDirectory
-
-    (_,dir) <- allocate (createTempDirectory temp myTempDir) removeDirectoryRecursive
-
-    let (blobs, notBlobs) = List.partition (\e -> fst (onEntryType e) == 0) entries
-    let (trees, notTrees) = List.partition (\e -> fst (onEntryType e) == 1) notBlobs
-    -- FIXME: others-might-be-tags
-    let (commits, others) = List.partition (\e -> fst (onEntryType e) == 2) notTrees
-
-    -- FIXME: hbs2-git-size-hardcode-to-args
-    let batch = 20000
-    let objects = blobs <> trees <> others <> commits
-    mon <- newProgressMonitor "write objects"   (length objects)
-
-    let env = ExportEnv
-              { _exportDB = db
-              , _exportWritten = written
-              , _exportFileName = fname
-              , _exportDir = dir
-              , _exportRepo = remote
-              , _exportReadObject = gitReadFromCatFileBatch gitCatFile
-              }
-
-
-    let ha = gitHashObject (GitObject Blob repoHeadStr)
-    let headEntry = GitLogEntry GitLogEntryHead (Just ha) ( fromIntegral $ LBS.length repoHeadStr )
-
-    let upd = updateProgress mon
-
-    vals <- withDB db $ stateGetLastKnownCommits 10
-    let (ctx, ctxBs) = makeContextEntry (List.nub $ val:vals)
-
-    let rankBs = serialise (GitLogContextRank r)
-    let rank = GitLogEntry GitLogContext Nothing (fromIntegral $ LBS.length rankBs)
-
-    -- we need context entries to determine log HEAD operation sequence
-    -- so only the last section needs it alongwith headEntry
-    logz  <- lift $ withExportEnv env (writeLogSegments upd remote val objects batch [ (ctx, ctxBs)
-                                                                                     , (rank, rankBs)
-                                                                                     , (headEntry, repoHeadStr)
-                                                                                     ])
-
-    -- NOTE: отдаём только последнюю секцию лога,
-    --       что бы оставить совместимость
-    pure $ lastMay logz
-
----
-
-
-
-runExport :: forall m . ( MonadIO m
-                        , MonadUnliftIO m
-                        , MonadCatch m
-                        , HasProgress (App m)
-                        , MonadMask (App m)
-                        , HasStorage (App m)
-                        , HasRPC (App m)
-                        , HasEncryptionKeys (App m)
-                        )
-
-          => Maybe FilePath -> RepoRef -> App m ()
-runExport mfp repo = do
-    loadCredentials (maybeToList mfp)
-    loadKeys
-    let krf = fromMaybe "keyring-file" mfp & takeFileName
-    runExport'' krf repo
-
----
-
-runExport' :: forall m . ( MonadIO m
-                        , MonadUnliftIO m
-                        , MonadCatch m
-                        , HasProgress (App m)
-                        , MonadMask (App m)
-                        , HasStorage (App m)
-                        , HasRPC (App m)
-                        , HasEncryptionKeys (App m)
-                        )
-
-          => FilePath -> App m ()
-
-runExport' fp = do
-    repo <- loadCredentials' fp
-    loadKeys
-    runExport'' (takeFileName fp) (RefLogKey repo)
-
----
-
-runExport'' :: forall m . ( MonadIO m
-                        , MonadUnliftIO m
-                        , MonadCatch m
-                        , HasProgress (App m)
-                        , MonadMask (App m)
-                        , HasStorage (App m)
-                        , HasRPC (App m)
-                        )
-
-          => FilePath -> RepoRef -> App m ()
-runExport'' krf repo = do
-
-  liftIO $ putDoc $
-       line
-    <> green "Exporting to reflog" <+> pretty (AsBase58 repo)
-    <> section
-    <> "it may take some time on the first run"
-    <> section
-
-  git <- asks (view appGitDir)
-
-  trace $ "git directory is" <+> pretty git
-
-  -- FIXME: wtf-runExport
-  branchesGr <- cfgValue @ConfBranch <&> Set.map normalizeRef
-
-  headBranch <- gitGetBranchHEAD `orDie` "undefined HEAD for repo"
-
-  refs <- gitListLocalBranches
-             <&> filter (\x -> Set.null branchesGr ||  Set.member (fst x) branchesGr)
-
-  trace $ "REFS" <+> pretty refs
-
-  fullHead <- gitHeadFullName headBranch
-
-  -- debug $ "HEAD" <+> pretty fullHead
-
-  -- let repoHead = RepoHead (Just fullHead)
-  --                         (HashMap.fromList refs)
-
-  -- trace $ "NEW REPO HEAD" <+> pretty (AsGitRefsFile repoHead)
-
-  val <- gitGetHash fullHead `orDie` [qc|Can't resolve ref {pretty fullHead}|]
-
-   -- _ <- exportRefOnly () remote br gh
-  hhh <- exportRefOnly () repo Nothing fullHead val
-
-  -- NOTE: ???
-  -- traceTime "importRefLogNew (export)" $ importRefLogNew False repo
-
-  shutUp
-
-  cwd <- liftIO getCurrentDirectory
-  cfgPath <- configPath cwd
-
-  liftIO $ putStrLn ""
-  liftIO $ putDoc $
-    "exported" <+> pretty hhh
-    <> section
-    <> green "Repository config:" <+> pretty (cfgPath </> "config")
-    <> section
-    <>  "Put the keyring file" <+> yellow (pretty krf) <+> "into a safe place," <> line
-    <> "like encrypted directory or volume."
-    <> section
-    <> "You will need this keyring to push into the repository."
-    <> section
-    <> green "Add keyring into the repo's config:"
-    <> section
-    <> "keyring" <+> pretty [qc|"/my/safe/place/{krf}"|]
-    <> section
-    <> green "Add git remote:"
-    <> section
-    <> pretty [qc|git remote add remotename hbs2://{pretty repo}|]
-    <> section
-    <> green "Work with git as usual:"
-    <> section
-    <> "git pull remotename" <> line
-    <> "(or git fetch remotename && git reset --hard remotename/branch)" <> line
-    <> "git push remotename" <> line
-    <> line
-
-

hbs2-git/lib/HBS2Git/GitRepoLog.hs

@@ -1,211 +0,0 @@
-{-# Language TemplateHaskell #-}
-module HBS2Git.GitRepoLog where
-
-import HBS2.Prelude.Plated
-import HBS2.Git.Types
-import HBS2.Data.Types.Refs
-
-import HBS2.System.Logger.Simple
-
-import Data.Word
-import Data.Function
-import Lens.Micro.Platform
-import Codec.Serialise
-import Data.ByteString.Lazy qualified as LBS
-import Data.ByteString.Lazy (ByteString)
--- import System.IO
-import UnliftIO.IO
-import Control.Monad.IO.Unlift
-import Codec.Compression.GZip
-import System.Directory
-import Data.HashSet (HashSet)
-import Data.HashSet qualified as HashSet
-import Control.Concurrent.STM
-import Data.Maybe
-
-class HasGitLogOptions a where
-  compressEntries  :: a -> Bool
-  compressWholeLog :: a -> Bool
-
-
--- | default GitLogOptions
-instance HasGitLogOptions () where
-  compressEntries = const True
-  compressWholeLog = const False
-
-data CompressWholeLog = CompressWholeLog
-
-instance HasGitLogOptions CompressWholeLog where
-  compressEntries = const False
-  compressWholeLog = const True
-
-data GitLogEntryType = GitLogEntryCommit
-                     | GitLogEntryBlob
-                     | GitLogEntryTree
-                     | GitLogEntryHead
-                     | GitLogHead
-                     | GitLogDeps
-                     | GitLogHeadDel
-                     | GitLogContext
-                     deriving stock (Eq,Ord,Enum,Generic,Show)
-
-
-newtype GitLogTimeStamp = GitLogTimeStamp Int
-                          deriving stock (Eq,Ord,Show,Data,Generic)
-
-instance Serialise GitLogTimeStamp
-
-newtype GitLogHeadEntry =
-  GitLogHeadEntry
-  { _gitLogHeadAfter :: Maybe HashRef
-  }
-  deriving stock (Eq,Generic)
-
-instance Serialise GitLogHeadEntry
-
-makeLenses ''GitLogHeadEntry
-
-
-newtype GitLogDepsEntry =
-  GitLogDepsEntry
-  { _gitLogDeps :: [HashRef]
-  }
-  deriving stock (Eq,Generic)
-
-makeLenses ''GitLogDepsEntry
-
-instance Serialise GitLogDepsEntry
-
--- deletion is handled by special way.
--- we need a context WHEN the reference is deleted
--- because it may be deleted, created again, deleted again, etc.
--- Having current repository context via collecting all reference states
--- we may calculate an actual current state of the reference.
--- Or, we may use a special code to mark object as deleted
-data GitLogHeadDelEntry =
-  GitLogHeadDelEntry
-  { _gitHeadContext :: [(GitRef, GitHash)] -- this gives us context to order this delete operation
-  , _gitHeadDeleted :: GitRef              -- this is a reference to delete
-  }
-  deriving stock (Eq,Generic)
-
-makeLenses ''GitLogHeadDelEntry
-
-instance Serialise GitLogHeadDelEntry
-
-data GitLogContextEntry =
-    GitLogNoContext
-  | GitLogContextCommits (HashSet GitHash)
-  | GitLogContextRank Int
-  deriving stock (Eq,Data,Generic)
-
-commitsOfGitLogContextEntry :: GitLogContextEntry -> [GitHash]
-commitsOfGitLogContextEntry = \case
-  GitLogContextCommits co -> HashSet.toList co
-  _ -> mempty
-
-instance Serialise GitLogContextEntry
-
-data GitLogEntry =
-  GitLogEntry
-  { _gitLogEntryType :: GitLogEntryType
-  , _gitLogEntryHash :: Maybe GitHash
-  , _gitLogEntrySize :: Word32
-  }
-  deriving stock (Eq,Ord,Generic,Show)
-
-makeLenses 'GitLogEntry
-
-entryHeadSize :: Integral a => a
-entryHeadSize = 64
-
-instance Serialise GitLogEntryType
-instance Serialise GitLogEntry
-
-gitLogEntryTypeOf :: GitObjectType -> GitLogEntryType
-gitLogEntryTypeOf = \case
-  Commit -> GitLogEntryCommit
-  Tree   -> GitLogEntryTree
-  Blob   -> GitLogEntryBlob
-
--- | scans hbs2-git repo log
-gitRepoLogScan :: forall m . MonadUnliftIO m
-               => Bool         -- ^ do read log section content
-               -> FilePath     -- ^ log file path
-               -> (GitLogEntry -> Maybe ByteString -> m ()) -- ^ log section callback
-               -> m ()
-
-gitRepoLogScan r fn cb = do
-
-  trace $ "gitRepoLogScan" <+> pretty fn
-  withBinaryFile fn ReadMode $ \h -> do
-    sz <- liftIO $ getFileSize fn
-    go h sz
-
-  where
-    go _ 0 = pure ()
-    go h size = do
-      ss <- liftIO $ LBS.hGet h entryHeadSize
-      let es = deserialise @GitLogEntry ss
-      let esize = es ^. gitLogEntrySize
-      let consumed = entryHeadSize + fromIntegral esize
-      if r then do
-        o <- liftIO $ LBS.hGet h (fromIntegral esize) <&> decompress
-        cb es (Just o)
-      else do
-        liftIO $ hSeek h RelativeSeek (fromIntegral esize)
-        cb es Nothing
-      go h ( max 0 (size - consumed) )
-
-gitRepoLogWriteHead :: forall o m . (HasGitLogOptions o, MonadIO m)
-                    => o
-                    -> Handle
-                    -> GitLogHeadEntry
-                    -> m ()
-
-gitRepoLogWriteHead opt fh e = do
-  let s = serialise e
-  let entry = GitLogEntry GitLogHead Nothing (fromIntegral $ LBS.length s)
-  gitRepoLogWriteEntry opt fh entry s
-
-
-
-gitRepoLogMakeEntry :: forall o . (HasGitLogOptions o)
-                    => o
-                    -> GitLogEntry
-                    -> ByteString
-                    -> ByteString
-
-gitRepoLogMakeEntry opts entry' o = bs <> ss
-  where
-    ss = compressWith co o
-    entry = entry' & set gitLogEntrySize (fromIntegral $ LBS.length ss)
-    bs = LBS.take entryHeadSize $ serialise entry <> LBS.replicate entryHeadSize 0
-    co | compressEntries opts = defaultCompressParams { compressLevel = bestSpeed }
-       | otherwise            = defaultCompressParams { compressLevel = noCompression }
-
-gitRepoLogWriteEntry :: forall o m . (MonadIO m, HasGitLogOptions o)
-                     => o
-                     -> Handle
-                     -> GitLogEntry
-                     -> ByteString
-                     -> m ()
-
-gitRepoLogWriteEntry opts fh entry' o = do
-  let entryWithSize = gitRepoLogMakeEntry opts entry' o
-  liftIO $ LBS.hPutStr fh entryWithSize
-
-gitRepoMakeIndex :: FilePath -> IO (HashSet GitHash)
-gitRepoMakeIndex fp = do
-  here <- doesFileExist fp
-  if not here then do
-    pure mempty
-  else do
-    out <- newTQueueIO
-
-    gitRepoLogScan  False fp $ \e _ -> do
-      atomically $ writeTQueue out ( e ^. gitLogEntryHash )
-
-    atomically $ flushTQueue out <&> HashSet.fromList . catMaybes
-
-

hbs2-git/lib/HBS2Git/Import.hs

@@ -1,409 +0,0 @@
-{-# Language TemplateHaskell #-}
-module HBS2Git.Import where
-
-import HBS2.Prelude.Plated
-import HBS2.Data.Types.Refs
-import HBS2.OrDie
-import HBS2.System.Logger.Simple
-import HBS2.Merkle
-import HBS2.Hash
-import HBS2.Storage
-import HBS2.Storage.Operations.Class
-import HBS2.Storage.Operations.Missed
-import HBS2.Storage.Operations.ByteString(TreeKey(..))
-import HBS2.Net.Auth.GroupKeySymm
-import HBS2.Peer.Proto
-import Text.InterpolatedString.Perl6 (qc)
-import HBS2.Data.Detect hiding (Blob)
-
-import HBS2.Git.Local
-import HBS2Git.GitRepoLog
-import HBS2Git.App
-import HBS2Git.Config
-import HBS2Git.State
-import HBS2Git.Evolve
-import HBS2Git.KeysMetaData
-import HBS2.Git.Local.CLI
-
-import Data.Fixed
-import Control.Monad.Trans.Maybe
-import Control.Concurrent.STM
-import Control.Concurrent.STM.TQueue qualified as Q
-import Control.Monad.Reader
-import Data.Maybe
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Lens.Micro.Platform
-import Data.Set qualified as Set
-import Codec.Serialise
-import Control.Monad.Except (runExceptT)
-import Control.Monad.Catch
-import Control.Monad.Trans.Resource
-import System.Directory
-import System.IO.Temp
-import UnliftIO.IO
-import System.IO (openBinaryFile)
-import System.FilePath.Posix
-import Data.HashMap.Strict qualified as HashMap
-import Data.Text qualified as Text
-import Data.Either
-
-import Streaming.Prelude qualified as S
-import Streaming.ByteString qualified as SB
-import Streaming.Zip qualified as SZip
-
-import HBS2Git.PrettyStuff
-
-data RunImportOpts =
-  RunImportOpts
-  { _runImportDry    :: Maybe Bool
-  , _runImportRefVal :: Maybe HashRef
-  }
-
-makeLenses 'RunImportOpts
-
-isRunImportDry :: RunImportOpts -> Bool
-isRunImportDry o = view runImportDry o == Just True
-
-
-
-walkHashes :: (MonadIO m, HasStorage m) => TQueue HashRef -> Hash HbSync -> m ()
-walkHashes q h = walkMerkle h (readBlock . HashRef) $ \(hr :: Either (Hash HbSync) [HashRef]) -> do
-  case hr of
-    Left hx -> die $ show $ pretty "missed block:" <+> pretty hx
-    Right (hrr :: [HashRef]) -> do
-       forM_ hrr $ \hx -> do
-        liftIO $ atomically $ Q.writeTQueue q hx
-
-blockSource :: (MonadIO m, HasStorage m) => HashRef -> SB.ByteStream m Integer
-blockSource h = do
-  tsize <- liftIO $ newTVarIO 0
-  deepScan ScanDeep (const none) (fromHashRef h) (lift . readBlock . HashRef) $ \ha -> do
-    sec <- lift $ readBlock (HashRef ha) `orDie` [qc|missed block {pretty ha}|]
-    -- skip merkle tree head block, write only the data
-    liftIO $ atomically $ modifyTVar tsize (+ LBS.length sec)
-    when (h /= HashRef ha) do
-      SB.fromLazy sec
-
-  liftIO $ readTVarIO tsize <&> fromIntegral
-
-getLogFlags :: MonadIO m
-            => (HashRef -> m (Maybe LBS.ByteString))
-            -> HashRef
-            -> m (Maybe [Text])
-
-getLogFlags doRead h = do
-
-  runMaybeT do
-
-    treeBs   <- MaybeT $ doRead h
-
-    let something =  tryDetect (fromHashRef h) treeBs
-    let meta = mconcat $ rights [ parseTop (Text.unpack s) | ShortMetadata s <- universeBi something ]
-
-    -- TODO: check-if-it-is-hbs2-git-log
-    let tp = lastMay [ "hbs2-git-push-log"
-                     | (ListVal (Key "type:" [SymbolVal "hbs2-git-push-log"]) ) <- meta
-                     ]
-
-    guard ( tp == Just "hbs2-git-push-log" )
-
-    pure $ mconcat [ Text.splitOn ":" (Text.pack (show $ pretty s))
-                   | (ListVal (Key "flags:" [SymbolVal s]) ) <- meta
-                   ]
-
-class HasImportOpts a where
-  importForce :: a -> Bool
-  importDontWriteGit :: a -> Bool
-
-instance HasImportOpts Bool where
-  importForce f = f
-  importDontWriteGit = const False
-
-instance HasImportOpts (Bool, Bool) where
-  importForce = fst
-  importDontWriteGit = snd
-
-importRefLogNew :: ( MonadIO m
-                   , MonadUnliftIO m
-                   , MonadCatch m
-                   , MonadMask m
-                   , HasStorage m
-                   , HasRPC m
-                   , HasEncryptionKeys m
-                   , HasImportOpts opts
-                   )
-                => opts -> RepoRef -> m ()
-
-importRefLogNew opts ref = runResourceT do
-
-  let force = importForce opts
-
-  sto <- getStorage
-
-  let myTempDir = "hbs-git"
-  temp <- liftIO getTemporaryDirectory
-
-  (_,dir) <- allocate (createTempDirectory temp myTempDir) removeDirectoryRecursive
-
-  lift $ makePolled ref
-
-  db <- makeDbPath ref >>= dbEnv
-
-  void $ runMaybeT do
-    trace $ "importRefLogNew" <+> pretty ref
-    logRoot <- toMPlus =<< readRef ref
-    trace $ "ROOT" <+> pretty logRoot
-
-    trans <- withDB db $ stateGetAllTranImported <&> Set.fromList
-    done <- withDB db $ stateGetRefImported logRoot
-
-    when (not done || force) do
-
-      logQ <- liftIO newTQueueIO
-
-      lift $ walkHashes logQ (fromHashRef logRoot)
-
-      let notSkip n = force || not (Set.member n trans)
-
-      entries' <- liftIO $ atomically $ flushTQueue logQ <&> filter notSkip
-
-      pMiss <- newProgressMonitor [qc|scan for missed blocks|]  (length entries')
-
-      -- TODO: might-be-slow
-      entries <- S.toList_ $ forM_ entries' $ \e -> do
-                    updateProgress pMiss 1
-                    missed <- lift $ findMissedBlocks sto e
-                    if null missed then do
-                      S.yield e
-                    else do
-                      S.yield e
-                      forM_ missed $ \m -> do
-                        debug $ "missed blocks in tree" <+> pretty e  <+> pretty m
-
-      pCommit <- liftIO $ startGitHashObject Commit
-      pTree <- liftIO $ startGitHashObject Tree
-      pBlob <- liftIO $ startGitHashObject Blob
-
-      let hCommits = getStdin pCommit
-      let hTrees = getStdin pTree
-      let hBlobs = getStdin pBlob
-
-      let handles = [hCommits, hTrees, hBlobs]
-
-      sp0 <- withDB db savepointNew
-      withDB db $ savepointBegin sp0
-
-      decrypt <- lift $ lift enumEncryptionKeys
-
-      debug $ "Decrypt" <> vcat (fmap pretty decrypt)
-
-      pMeta  <- newProgressMonitor [qc|process metadata|]  (length entries)
-
-      forM_ entries $ \e -> runMaybeT do
-        let kDone = serialise ("processmetadata", e)
-
-        updateProgress pMeta 1
-
-        -- guard =<< withDB db (not <$> stateGetProcessed kDone)
-
-        rd <- toMPlus =<< parseTx  e
-        let (SequentialRef _ (AnnotatedHashRef ann' h)) = rd
-        forM_ ann' (withDB db . importKeysAnnotations ref e)
-
-        -- withDB db $ statePutProcessed kDone
-
-      -- TODO: exclude-metadata-transactions
-      forM_ entries $ \e -> do
-
-        missed <- lift $ readBlock e <&> isNothing
-
-        when missed do
-          warn $ "MISSED BLOCK" <+> pretty e
-
-        let fname = show (pretty e)
-        let fpath = dir </> fname
-
-        (keyFh, fh) <- allocate (openBinaryFile fpath AppendMode) hClose
-
-        void $ runMaybeT $ do
-
-          refData <- toMPlus =<< parseTx e
-          -- NOTE: good-place-to-process-hash-log-update-first
-          let (SequentialRef _ (AnnotatedHashRef ann' h)) = refData
-
-          -- forM_ ann' (withDB db . importKeysAnnotations ref e)
-
-          trace $ "PUSH LOG HASH" <+> pretty h
-
-          treeBs   <- MaybeT $ lift $ readBlock h
-
-          let something =  tryDetect (fromHashRef h) treeBs
-          let meta = mconcat $ rights [ parseTop (Text.unpack s) | ShortMetadata s <- universeBi something ]
-
-          -- TODO: check-if-it-is-hbs2-git-log
-
-          let flags = mconcat [ Text.splitOn ":" (Text.pack (show $ pretty s))
-                              | (ListVal (Key "flags:" [SymbolVal s]) ) <- meta
-                              ]
-
-          let gzipped = "gz" `elem` flags
-
-          debug $ "FOUND LOG METADATA " <+> pretty flags
-                                        <+> pretty "gzipped:" <+> pretty gzipped
-
-          here <- withDB db $ stateGetLogImported h
-
-          unless (here && not force) do
-
-            (src, enc) <- case something of
-
-              MerkleAnn ann@(MTreeAnn _ sc@(EncryptGroupNaClSymm g nonce) tree) -> do
-
-                gk10' <- runExceptT $ readFromMerkle sto (SimpleKey g)
-
-                -- FIXME: nicer-error-handling
-                gk10'' <- either (const $ err ("GK0 not found:" <+> pretty g)  >> mzero) pure gk10'
-
-                gk10 <- toMPlus (deserialiseOrFail gk10'')
-
-                gk11 <- withDB db $ stateListGK1 (HashRef g)
-
-                let gk1 = mconcat $ gk10 : gk11
-
-                -- elbs <- runExceptT $ readFromMerkle sto (ToDecryptBS decrypt (fromHashRef h))
-                elbs <- runExceptT $ readFromMerkle sto (ToDecryptBS2 gk1 nonce decrypt ann)
-
-                case elbs of
-                  Left{} -> do
-                    let lock = toStringANSI $ red "x"
-                    hPutStrLn stderr [qc|import [{lock}] {pretty e}|]
-                    mzero
-
-                  Right lbs -> (,True) <$> pure do
-                    SB.fromLazy lbs
-                    pure (fromIntegral (LBS.length lbs))
-
-              -- FIXME: remove-debug
-              MerkleAnn{} -> pure (blockSource h, False)
-
-              _ -> pure (blockSource h, False)
-
-            sz <- if gzipped then do
-              SB.toHandle fh $ SZip.gunzip src
-            else
-              SB.toHandle fh src
-
-            release keyFh
-
-            let fpathReal = fpath
-
-            tnum <- liftIO $ newTVarIO 0
-            liftIO $ gitRepoLogScan True fpathReal $ \_ _ -> do
-              liftIO $ atomically $ modifyTVar tnum succ
-
-            num <- liftIO $ readTVarIO tnum
-            trace $ "LOG ENTRY COUNT" <+> pretty  num
-
-            let lock = toStringANSI $ if enc then yellow "@" else " "
-
-            let pref = take 16 (show (pretty e))
-            let name = [qc|import [{lock}] {pref}... {realToFrac sz / (1024*1024) :: Fixed E3}|]
-
-            oMon  <- newProgressMonitor name  num
-
-            lift $ lift $ gitRepoLogScan True fpathReal $ \entry s -> void $ runMaybeT do
-
-              updateProgress oMon 1
-
-              lbs <- toMPlus s
-
-              withDB db do
-
-                case view gitLogEntryType entry of
-                  GitLogEntryCommit -> do
-                    bss <- lift (pure s) `orDie` [qc|git object not read from log|]
-                    let co = view gitLogEntryHash entry
-                    hx <- pure (view gitLogEntryHash entry) `orDie` [qc|empty git hash|]
-
-                    trace $ "logobject" <+> pretty h <+> "commit" <+> pretty (view gitLogEntryHash entry)
-
-                    writeIfNew hCommits dir hx (GitObject Commit lbs)
-                    statePutLogObject (h, Commit, hx)
-
-                    let parents = gitCommitGetParentsPure bss
-
-                    forM_ parents $ \p -> do
-                      trace $ "fact" <+> "commit-parent" <+> pretty co <+> pretty p
-                      statePutLogCommitParent (hx,p)
-
-                  GitLogEntryBlob   -> do
-                    trace $ "logobject" <+> pretty h <+> "blob" <+> pretty (view gitLogEntryHash entry)
-                    hx <- pure (view gitLogEntryHash entry) `orDie` [qc|empty git hash|]
-                    writeIfNew hBlobs dir hx (GitObject Blob lbs)
-                    statePutLogObject (h, Blob, hx)
-
-                  GitLogEntryTree   -> do
-                    trace $ "logobject" <+> pretty h <+> "tree" <+> pretty (view gitLogEntryHash entry)
-                    hx <- pure (view gitLogEntryHash entry) `orDie` [qc|empty git hash|]
-                    writeIfNew hTrees dir hx (GitObject Tree lbs)
-                    statePutLogObject (h, Tree, hx)
-
-                  GitLogContext -> do
-                    trace $ "logobject" <+> pretty h <+> "context" <+> pretty (view gitLogEntryHash entry)
-
-                    void $ runMaybeT do
-                      ss <- MaybeT $ pure s
-                      logEntry <- MaybeT $ pure $ deserialiseOrFail @GitLogContextEntry ss & either (const Nothing) Just
-
-                      case logEntry of
-                        GitLogContextRank n -> do
-                          lift $ statePutLogContextRank h n
-
-                        GitLogContextCommits co -> do
-                          lift $ forM_ co  (statePutLogContextCommit h)
-
-                        _ -> pure ()
-
-                  GitLogEntryHead   -> do
-                    trace $ "HEAD ENTRY" <+> viaShow s
-                    let mbrh = fromStringMay @RepoHead (maybe mempty LBS.unpack s)
-                    rh <- pure mbrh `orDie` [qc|invalid log header in {pretty h} {s}|]
-
-                    forM_ (HashMap.toList $ view repoHeads rh) $ \(re,ha) -> do
-                      trace $ "logrefval" <+> pretty h <+> pretty re <+> pretty ha
-                      statePutLogRefVal (h,re,ha)
-
-                  _ -> pure ()
-
-                -- otherwise we wan't process those logs next time.
-                unless (importDontWriteGit opts) do
-                  statePutLogImported h
-                  statePutTranImported e
-
-      mapM_ hClose handles
-
-      withDB db $ do
-        stateUpdateCommitDepths
---         statePutRefImported logRoot
-        if (length entries == length entries') then do
-          statePutRefImported logRoot
-        else do
-          warn "Some entries not processed!"
-
-        savepointRelease sp0
-
-  where
-
-    parseTx e = runMaybeT do
-      bs <- MaybeT $ readBlock e
-      refupd <- toMPlus $ deserialiseOrFail @(RefLogUpdate HBS2L4Proto) bs
-      toMPlus $ deserialiseOrFail (LBS.fromStrict $ view refLogUpdData refupd)
-
-    writeIfNew gitHandle dir h (GitObject tp s) = do
-      unless (importDontWriteGit opts) do
-        let nf = dir </> show (pretty h)
-        liftIO $ LBS.writeFile nf s
-        hPutStrLn gitHandle nf
-        hFlush gitHandle
-        trace $ "WRITTEN OBJECT" <+> pretty tp <+> pretty h <+> pretty nf
-

hbs2-git/lib/HBS2Git/KeysCommand.hs

@@ -1,79 +0,0 @@
-module HBS2Git.KeysCommand
-  ( module HBS2Git.KeysCommand
-  , module HBS2.Net.Proto.Types
-  , CryptoAction(..)
-  ) where
-
-
-import HBS2Git.Prelude
-import HBS2Git.App
-import HBS2Git.Encryption
-
-import HBS2.OrDie
-import HBS2.Net.Proto.Types
-
-import HBS2.System.Logger.Simple
-
-import Data.Time.Clock.POSIX
-import Data.Maybe
-
-
-runKeyRefsList :: (MonadIO m, HasConf m) => m ()
-runKeyRefsList = do
-  conf <- getConf
-
-  now <- liftIO getPOSIXTime
-
-  let every = [ keyInfoRef <$> keyInfoFrom now syn | syn <- conf
-              , isJust (keyInfoFrom now syn)
-              ] & catMaybes
-
-  liftIO $ print $ vcat (fmap (pretty . AsBase58) every)
-
-
-
-runKeysUpdate :: (MonadIO m, HasConf m) => PubKey 'Sign HBS2Basic -> m ()
-runKeysUpdate ref = do
-  conf <- getConf
-
-  -- TODO: generate-GK0
-  --  generate basic key for OWNER only
-
-  now <- liftIO getPOSIXTime
-  let every = [ keyInfoFrom now syn | syn <- conf
-              , isJust (keyInfoFrom now syn)
-              ] & catMaybes
-
-  this <- pure (lastMay [ x | x <- every, keyInfoRef x == ref ])
-            `orDie` "Not found encrypted section for given ref"
-
-  gk0 <- generateGroupKey @HBS2Basic Nothing [keyInfoOwner this]
-
-  pure ()
-
-  -- now <- liftIO getPOSIXTime
-
-  -- let every = [ keyInfoFrom now syn | syn <- conf
-  --             , isJust (keyInfoFrom now syn)
-  --             ] & catMaybes
-
-  -- let keys = [ x | x <- every, keyInfoRef x == ref ]
-
-  -- info $ viaShow keys
-
-
-runKeysList :: (MonadIO m, HasConf m) => PubKey 'Sign HBS2Basic -> m ()
-runKeysList ref = do
-  conf <- getConf
-
-  now <- liftIO getPOSIXTime
-
-  let every = [ keyInfoFrom now syn | syn <- conf
-              , isJust (keyInfoFrom now syn)
-              ] & catMaybes
-
-  let keys = [ x | x <- every, keyInfoRef x == ref ]
-
-  info $ viaShow keys
-
-

hbs2-git/lib/HBS2Git/KeysMetaData.hs

@@ -1,258 +0,0 @@
-module HBS2Git.KeysMetaData where
-
-
-import HBS2Git.Prelude
-import HBS2Git.Types
-import HBS2Git.Alerts
-import HBS2Git.Annotations
-import HBS2Git.Encryption
-import HBS2Git.State
-import HBS2Git.PrettyStuff
-import HBS2Git.Config
-
-
-import HBS2.Data.Detect
-import HBS2.Merkle
-import HBS2.Peer.Proto
-import HBS2.OrDie
-import HBS2.Storage
-import HBS2.Storage.Operations.ByteString
-import HBS2.System.Logger.Simple
-
-import Control.Monad
-import Control.Monad.Catch (MonadMask)
-import Control.Monad.Except (runExceptT)
-import Control.Monad.Trans.Maybe
-import Data.ByteString.Lazy (ByteString)
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Either
-import Data.HashMap.Strict qualified as HashMap
-import Data.HashSet qualified as HashSet
-import Data.List qualified as List
-import Data.Maybe
-import Lens.Micro.Platform
-import Streaming.Prelude qualified as S
-import System.IO
-import Text.InterpolatedString.Perl6 (qc)
-
-
-updateGK0 :: forall m . ( MonadIO m
-                        -- , HasRPC m
-                        , MonadMask m
-                        , HasStorage m
-                        , HasConf m
-                        , HasEncryptionKeys m
-                        )
-                 => RepoRef
-                 -> m ()
-updateGK0 repo = void $ runMaybeT do
-
-  guard =<< lift (isRefEncrypted (fromRefLogKey repo))
-
-  db <- makeDbPath repo >>= dbEnv
-  -- FIXME: check-if-for-die-good-here
-  ki <- lift $ getKeyInfo (fromRefLogKey repo)
-          `orDie` noKeyInfoMsg repo
-
-  -- 2. Если нет GK0 или он expired
-  mbGk0Hash <- withDB db $ stateGetLocalKey ki
-
-  -- 2.1 Генерируем новый GK0
-  gk0Hash <- lift $ maybe1 mbGk0Hash (makeNewGK0 ki) pure
-
-  when (isNothing mbGk0Hash) do
-    liftIO $ hPutDoc stderr $ "New GK0" <+> pretty gk0Hash <> line
-
-  withDB db $ statePutLocalKey ki gk0Hash repo
-
-  debug  $ "GK0" <+> pretty gk0Hash
-
-  where
-    makeNewGK0 ki = do
-      sto <- getStorage
-      gk <- genGK0 ki <&> serialise
-      liftIO $ writeAsMerkle sto (gk :: ByteString) <&> HashRef
-
-genKeysAnnotations :: forall m . ( MonadIO m
-                                 , MonadMask m
-                                 , HasStorage m
-                                 , HasConf m
-                                 , HasEncryptionKeys m
-                                 )
-                 => RepoRef
-                 -> m (Maybe HashRef)
-
-genKeysAnnotations repo = do
-  sto <- getStorage
-
-  runMaybeT do
-
-    guard =<< lift (isRefEncrypted (fromRefLogKey repo))
-
-    db <- makeDbPath repo >>= dbEnv
-    -- TODO: generate-and-update-keys-metadata
-    -- 1. get GK0
-
-    ki <- lift $ getKeyInfo (fromRefLogKey repo)
-            `orDie` noKeyInfoMsg repo
-
-    gk0Hash <- withDB db $ stateGetLocalKey ki
-                `orDie` noKeyInfoMsg repo
-
-    let processedKey = serialise ("GENKEYMETADATA", gk0Hash)
-
-    isNewKey  <- withDB db $ not <$> stateGetProcessed processedKey
-
-    sp0 <- withDB db savepointNew
-    withDB db $ savepointBegin sp0
-
-    -- FIXME: excess-data-roundtrip
-    gk0newBs <- (runExceptT (readFromMerkle sto (SimpleKey (fromHashRef gk0Hash))))
-                  `orDie` [qc|*** Can't load GK0 {pretty gk0Hash}, maybe storage failure|]
-
-    -- теперь нам надо как-то узнать, что ключ новый и нам надо обработать
-    -- новых читателей.
-    -- Вариант #1: писать авторов в стейт. если они не обработаны еще,
-    -- то обрабатывать.
-
-    -- 2.2 Генерируем новый GK1 ∀ members
-    -- FIXME: might-be-slow
-
-    guard isNewKey
-
-    -- notice $ "NEW KEY APPEARED" <+> pretty gk0Hash
-
-    h <- toMPlus =<< getRef sto (refAlias repo)
-
-    gk0hs <- HashSet.fromList <$> S.toList_ (findAllGK0 sto h)
-
-    let keySource = do
-          forM_ gk0hs $ \gkh -> void $ runMaybeT do
-            gbs <- toMPlus =<< runExceptT (readFromMerkle sto (SimpleKey gkh))
-            gk0 <- toMPlus $ deserialiseOrFail @(GroupKey 'Symm HBS2Basic) gbs
-            -- TODO: decrypt-secret-right-here
-            lift $ S.yield (gkh, gk0)
-
-    allKeys <- S.toList_ keySource <&> HashMap.fromList
-
-    -- ∀ gk0:
-    --    - вытащить секрет (найти, кем расшифровать) recipients
-    --    - взять вообще всех recipients и сформировать новый GK1
-    --      для каждого из recipients из allKeys
-
-    -- взять все доступные пары ключей?
-    keys <- lift enumEncryptionKeys <&> fmap (\x -> (view krPk x, view krSk x))
-
-    new' <- forM (HashMap.toList allKeys) $ \(hx, gk0) -> do
-      let gksec' = [ lookupGroupKey sk pk gk0 | (pk,sk) <- keys ] & catMaybes & headMay
-      case gksec' of
-        Nothing  -> pure (Left hx)
-        Just sec -> pure $ Right (hx, gk0, sec)
-
-    let missed = lefts new'
-
-    forM_ missed $ \miss -> do
-      warn $ "new group key: unavailable keys for gk" <+> pretty miss
-
-    let new = rights new'
-
-    gk0new <- pure (deserialiseOrFail @(GroupKey 'Symm HBS2Basic) gk0newBs)
-                `orDie` [qc|*** Malformed/corrupted group key {pretty gk0Hash}|]
-
-    let rcpt0 = recipients gk0new
-
-    gnew <- forM new $ \(hx, gk0, sec) -> do
-
-      -- TODO: test-if-key-removing-works
-      let newRcpt = (recipients gk0new & HashMap.keysSet)
-                     `HashSet.difference`
-                    (recipients gk0 & HashMap.keysSet)
-
-      let r1 = HashMap.keys $ recipients gk0 <> recipients gk0new
-
-      let r11 = [ x | x <- r1, HashMap.member x rcpt0 ]
-
-      gk1 <- generateGroupKey @HBS2Basic (Just sec) r11
-
-      pure (hx, newRcpt, gk1)
-
-    let nr = HashSet.unions $ fmap (view _2) gnew
-
-    ann <- if HashSet.null nr then do
-             pure mempty
-           else do
-            forM gnew $ \(gk0h, _, gk1) -> do
-              pure (GK1 (HashRef gk0h) gk1)
-
-
-    annHash <- if List.null ann then do
-                 pure Nothing
-               else do
-                 Just . HashRef <$> writeAsMerkle sto (serialise (SmallAnnotations ann))
-
-    debug $ "ANNOTATIONS" <+> pretty annHash
-
-    withDB db do
-      statePutProcessed processedKey
-      savepointRelease sp0
-
-    toMPlus annHash
-
-  where
-
-    -- FIXME: deepScan-ScanShallow-broken
-    -- TODO: deal-with-missed-blocks
-    findAllGK0 sto h = do
-        -- TODO: performance-memoize-possible
-        --   можно мемоизировать для h
-        deepScan ScanDeep (const none) h (getBlock sto) $ \hx -> do
-          void $ runMaybeT do
-            blk  <- toMPlus =<< getBlock sto hx
-            refupd <- toMPlus $ deserialiseOrFail @(RefLogUpdate HBS2L4Proto) blk
-            payload <- toMPlus $ deserialiseOrFail (LBS.fromStrict $ view refLogUpdData refupd)
-
-            let (SequentialRef _ (AnnotatedHashRef _ ht)) = payload
-
-            treeBs <- toMPlus =<< getBlock sto (fromHashRef ht)
-
-            enc <- toMPlus (deserialiseOrFail @(MTreeAnn [HashRef]) treeBs)
-                       <&> _mtaCrypt
-
-            case enc of
-              EncryptGroupNaClSymm g _  -> do
-                -- liftIO $ hPutDoc stderr $ "GK0 FOR" <+> pretty
-                lift $ S.yield g
-
-              _ -> pure ()
-
-
-importKeysAnnotations :: forall m . ( MonadIO m
-                                    , MonadMask m
-                                    , HasStorage m
-                                    )
-                 => RepoRef
-                 -> HashRef
-                 -> HashRef
-                 -> DB m ()
-
-importKeysAnnotations repo e href = do
-  sto <- lift getStorage
-  void $ runMaybeT do
-    ebs <- runExceptT $ readFromMerkle sto (SimpleKey (fromHashRef href))
-
-    bs <- toMPlus ebs
-
-    anns <- toMPlus $ deserialiseOrFail @Annotations bs
-
-    let entries = case anns of
-                    SmallAnnotations e -> [ gk1 | gk1@(GK1{}) <- e ]
-                    _                  -> mempty
-
-
-    forM_ entries $ \(GK1 gk0h gk1) -> do
-
-      forM_ (HashMap.toList (recipients gk1)) $ \(pk,box) -> do
-        let gk1small = GroupKeySymm @HBS2Basic (HashMap.singleton pk box)
-        lift $ statePutGK1 gk0h pk gk1small
-
-

hbs2-git/lib/HBS2Git/Prelude.hs

@@ -1,15 +0,0 @@
-module HBS2Git.Prelude
-  ( module HBS2.Prelude.Plated
-  , module HBS2.Base58
-  , module HBS2.Data.Types.Refs
-  , module Credentials
-  , module Codec.Serialise
-  ) where
-
-import HBS2.Prelude.Plated
-import HBS2.Base58
-import HBS2.Data.Types.Refs
-import HBS2.Net.Auth.Credentials as Credentials
-
-import Codec.Serialise
-

hbs2-git/lib/HBS2Git/PrettyStuff.hs

@@ -1,27 +0,0 @@
-module HBS2Git.PrettyStuff
-  ( module HBS2Git.PrettyStuff
-  , hPutDoc
-  ) where
-
-import Data.Text qualified as Text
-import Prettyprinter
-import Prettyprinter.Render.Terminal
-
-green :: Doc AnsiStyle -> Doc AnsiStyle
-green = annotate (color Green)
-
-yellow :: Doc AnsiStyle -> Doc AnsiStyle
-yellow = annotate (color Yellow)
-
-red :: Doc AnsiStyle -> Doc AnsiStyle
-red = annotate (color Red)
-
-blue :: Doc AnsiStyle -> Doc AnsiStyle
-blue = annotate (color Blue)
-
-section :: Doc ann
-section = line <> line
-
-toStringANSI :: Doc AnsiStyle -> String
-toStringANSI doc = Text.unpack $ renderStrict $ layoutPretty defaultLayoutOptions doc
-

hbs2-git/lib/HBS2Git/State.hs

@@ -1,656 +0,0 @@
-{-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# Language UndecidableInstances #-}
-module HBS2Git.State where
-
-import HBS2Git.Prelude hiding (getCredentials)
-import HBS2Git.Types
-import HBS2Git.Config (cookieFile)
-import HBS2Git.Encryption
-import HBS2.Git.Types
-
-import HBS2.Data.Types.Refs
-import HBS2.Hash
-
-import HBS2.System.Logger.Simple
-
-
-import Control.Monad.Trans.Resource
-import Data.Functor
-import Data.Function
-import Database.SQLite.Simple
-import Database.SQLite.Simple.FromField
-import Database.SQLite.Simple.ToField
-import Control.Monad.Reader
-import Text.InterpolatedString.Perl6 (qc)
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Data.Text.IO qualified as Text
-import Data.Text qualified as Text
-import System.Directory
-import System.FilePath
-import Data.Maybe
-import Data.UUID.V4 qualified as UUID
-import Control.Monad.Catch
-import Control.Concurrent.STM
-import Data.Graph (graphFromEdges, topSort)
-import Lens.Micro.Platform
-
--- FIXME: move-orphans-to-separate-module
-
-instance ToField Cookie where
-  toField (Cookie x) = toField x
-
-instance FromField Cookie where
-  fromField = fmap Cookie . fromField @Text.Text
-
-instance ToField GitHash where
-  toField h = toField (show $ pretty h)
-
-instance ToField GitRef where
-  toField h = toField (show $ pretty h)
-
-instance FromField GitRef where
-  fromField = fmap fromString . fromField @String
-
-instance FromField GitHash where
-  fromField = fmap fromString . fromField @String
-
-instance FromField GitObjectType where
-  fromField = fmap fromString . fromField @String
-
-instance ToField HashRef where
-  toField h = toField (show $ pretty h)
-
-instance ToField GitObjectType where
-  toField h = toField (show $ pretty h)
-
-instance FromField HashRef where
-  fromField = fmap fromString . fromField @String
-
-instance ToField (RefLogKey HBS2Basic) where
-  toField rk = toField (show (pretty rk))
-
-newtype Base58Field a = Base58Field { unBaseB8Field :: a }
-
-instance Pretty (AsBase58 a) => ToField (Base58Field a) where
-  toField (Base58Field a) = toField (show (pretty (AsBase58 a)))
-
-instance FromStringMaybe a => FromField (Base58Field a) where
-  fromField x =
-    fromField @String x
-      <&> fromStringMay @a
-      >>= maybe (fail "can't parse base58 value") (pure  . Base58Field)
-
-newtype DB m a =
-  DB { fromDB :: ReaderT DBEnv m a }
-  deriving newtype ( Applicative
-                   , Functor
-                   , Monad
-                   , MonadIO
-                   , MonadReader DBEnv
-                   , MonadTrans
-                   , MonadThrow
-                   , MonadCatch
-                   )
-
-instance (HasRefCredentials m) => HasRefCredentials (DB m) where
-  getCredentials = lift . getCredentials
-  setCredentials r s  = lift (setCredentials r s)
-
-stateConnection :: MonadIO m => DB m Connection
-stateConnection = do
-  env <- ask
-  initConnection env
-
-initConnection :: MonadIO m => DBEnv -> m Connection
-initConnection env = do
-  mco <- liftIO $ readTVarIO (view dbConn env)
-  case mco of
-    Just co -> pure co
-    Nothing -> do
-      co <- liftIO $ open (view dbFilePath env)
-      liftIO $ atomically $ writeTVar (view dbConn env) (Just co)
-      pure co
-
-dbEnv0 :: (MonadIO m, MonadMask m) => DB m () -> FilePath -> m DBEnv
-dbEnv0 dbInit fp = do
-  trace  "dbEnv called"
-  let dir = takeDirectory fp
-  liftIO $ createDirectoryIfMissing True dir
-  env0 <- DBEnv fp "" <$> liftIO (newTVarIO Nothing)
-  void $ withDB env0 dbInit
-  cookie <- withDB env0 $ readOrCreateCookie
-  DBEnv fp cookie <$> liftIO (newTVarIO Nothing)
-
-dbEnv :: (MonadIO m, MonadMask m) => FilePath -> m DBEnv
-dbEnv = dbEnv0 stateInit
-
-dbEnvReadOnly :: (MonadIO m, MonadMask m) => FilePath -> m DBEnv
-dbEnvReadOnly = dbEnv0 none
-
-withDB :: (MonadIO m, MonadMask m) => DBEnv -> DB m a -> m a
-withDB env action = do
-  trace $ "** DB run with COOKIE" <+> viaShow (view dbCookie env)
-  conn <- initConnection env
-  finally (runReaderT (fromDB action) env) $ do
-    -- NOTE: we could not close connection here.
-    pure ()
-
-shutdownDB :: MonadIO m => DBEnv -> m ()
-shutdownDB env = liftIO do
-  co <- atomically do
-    conn <- readTVar (view dbConn env)
-    writeTVar (view dbConn env) Nothing
-    pure conn
-  maybe1 co none close
-
-stateInit :: (MonadIO m, MonadThrow m) => DB m ()
-stateInit = do
-  conn <- stateConnection
-  liftIO $ execute_ conn [qc|
-  create table if not exists logrefval
-  ( loghash text not null
-  , refname text not null
-  , refval  text not null
-  , primary key (loghash, refname)
-  )
-  |]
-
-  liftIO $ execute_ conn [qc|
-  create table if not exists logobject
-  ( loghash text not null
-  , type text not null
-  , githash text not null
-  , primary key (loghash, githash)
-  )
-  |]
-
-  liftIO $ execute_ conn [qc|
-  create table if not exists logcommitparent
-  ( kommit text not null
-  , parent text not null
-  , primary key (kommit,parent)
-  )
-  |]
-
-  forM_ ["logimported", "tranimported", "refimported"] $ \t -> do
-    here <- colExists conn t "cookie"
-    unless here $ liftIO do
-      liftIO $ execute_ conn [qc|
-      DROP TABLE IF EXISTS {t};
-      |]
-
-  liftIO $ execute_ conn [qc|
-  create table if not exists logimported
-  ( hash text not null
-  , cookie text not null
-  , primary key (hash, cookie)
-  )
-  |]
-
-  liftIO $ execute_ conn [qc|
-  create table if not exists refimported
-  ( hash text not null
-  , cookie text not null
-  , timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
-  , primary key (hash, cookie)
-  )
-  |]
-
-  liftIO $ execute_ conn [qc|
-  create table if not exists tranimported
-  ( hash text not null
-  , cookie text not null
-  , timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
-  , primary key (hash, cookie)
-  )
-  |]
-
-  liftIO $ execute_ conn [qc|
-  DROP VIEW IF EXISTS v_refval_actual;
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS logcommitdepth
-  ( kommit text not null
-  , depth integer not null
-  , primary key (kommit)
-  );
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS logrank
-  ( hash text not null
-  , rank int not null
-  , primary key (hash)
-  );
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS cookie
-  ( cookie text not null
-  , primary key (cookie)
-  );
-  |]
-
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS groupkeylocal
-  ( keyhash    text not null
-  , ref        text not null
-  , timestamp  DATETIME DEFAULT CURRENT_TIMESTAMP
-  , valuehash  text not null
-  , primary key (keyhash)
-  );
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS gk1
-  ( gk0        text not null
-  , pk         text not null
-  , gk1        text not null
-  , primary key (gk0, pk)
-  );
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE TABLE IF NOT EXISTS processed
-  ( hash    text not null
-  , cookie  text not null
-  , timestamp  DATETIME DEFAULT CURRENT_TIMESTAMP
-  , primary key (hash)
-  );
-  |]
-
-  liftIO $ execute_ conn [qc|
-  DROP VIEW IF EXISTS v_log_depth;
-  |]
-
-  liftIO $ execute_ conn [qc|
-  DROP VIEW IF EXISTS v_refval_actual;
-  |]
-
-  liftIO $ execute_ conn [qc|
-  CREATE VIEW v_refval_actual AS
-  WITH ranks AS (
-      SELECT  rv.refname,
-              MAX(COALESCE(d.depth, 0)) as max_depth,
-              MAX(COALESCE(r.rank, 0)) as max_rank
-      FROM logrefval rv
-      LEFT JOIN logcommitdepth d ON rv.refval = d.kommit
-      LEFT JOIN logrank r ON r.hash = rv.loghash
-      GROUP BY rv.refname
-  )
-  SELECT r.refname, rv.refval, r.max_rank as r, r.max_depth as d
-  FROM logrefval rv
-  JOIN ranks r ON r.refname = rv.refname
-  WHERE
-      (
-          (r.max_rank > 0 AND rv.loghash IN (SELECT hash FROM logrank WHERE rank = r.max_rank))
-       OR (r.max_rank = 0 AND rv.refval IN (SELECT kommit FROM logcommitdepth WHERE depth = r.max_depth))
-      )
-  AND rv.refval <> '0000000000000000000000000000000000000000'
-  ORDER BY r.refname;
-  |]
-
-  void $ readOrCreateCookie
-
-  where
-    colExists :: MonadIO m => Connection -> String -> String -> m Bool
-    colExists conn table col = do
-      let sql =[qc|PRAGMA table_info({table})|]
-      fields <- liftIO $ query_ conn sql
-      let fs = [x | ((_, x, _, _, _, _) :: (Int, String, String, Int, Maybe String, Int)) <- fields ]
-      pure ( col `elem` fs )
-
-readOrCreateCookie :: (MonadIO m, MonadThrow m) => DB m Cookie
-readOrCreateCookie = do
-  cfn <- cookieFile
-  cf <- liftIO $ readFile cfn <&> take 4096
-
-  if null cf then do
-    cookie <- stateGenCookie
-    liftIO $ Text.writeFile cfn (fromCookie cookie)
-    pure cookie
-  else do
-    let cookie@(Cookie co) = Cookie (fromString cf)
-    statePutCookie cookie
-    pure cookie
-
-newtype Savepoint =
-  Savepoint String
-  deriving newtype (IsString)
-  deriving stock (Eq,Ord)
-
-savepointNew :: forall m . MonadIO m => DB m Savepoint
-savepointNew  = do
-  uu <- liftIO UUID.nextRandom
-  let s = LBS.pack (show uu) & hashObject @HbSync & pretty & show
-  pure $ fromString ("sp" <> s)
-
-savepointBegin :: forall m . MonadIO m => Savepoint -> DB m ()
-savepointBegin (Savepoint sp) = do
-  conn <- stateConnection
-  liftIO $ execute_ conn [qc|SAVEPOINT {sp}|]
-
-savepointRelease:: forall m . MonadIO m => Savepoint -> DB m ()
-savepointRelease (Savepoint sp) = do
-  conn <- stateConnection
-  liftIO $ execute_ conn [qc|RELEASE SAVEPOINT {sp}|]
-
-savepointRollback :: forall m . MonadIO m => Savepoint -> DB m ()
-savepointRollback (Savepoint sp) = do
-  conn <- stateConnection
-  liftIO $ execute_ conn [qc|ROLLBACK TO SAVEPOINT {sp}|]
-
-transactional :: forall a m . (MonadCatch m, MonadIO m) => DB m a -> DB m a
-transactional action = do
-
-  sp <- savepointNew
-
-  savepointBegin sp
-  r <- try action
-
-  case r of
-    Left (e :: SomeException) -> do
-      savepointRollback sp
-      throwM e
-
-    Right x -> do
-      savepointRelease sp
-      pure x
-
--- TODO: backlog-head-history
---   можно сделать таблицу history, в которую
---   писать журнал всех изменений голов.
---   тогда можно будет откатиться на любое предыдущее
---   состояние репозитория
-
-
-statePutLogRefVal :: MonadIO m => (HashRef, GitRef, GitHash) -> DB m ()
-statePutLogRefVal row = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-  insert into logrefval (loghash,refname,refval) values(?,?,?)
-  on conflict (loghash,refname) do nothing
-  |] row
-
-
-statePutLogObject :: MonadIO m => (HashRef, GitObjectType, GitHash) -> DB m ()
-statePutLogObject row = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-  insert into logobject (loghash,type,githash) values(?,?,?)
-  on conflict (loghash,githash) do nothing
-  |] row
-
-stateIsLogObjectExists :: MonadIO m => GitHash -> DB m Bool
-stateIsLogObjectExists h = do
-  conn <- stateConnection
-  liftIO $ query conn [qc|
-  SELECT NULL FROM logobject WHERE githash = ? LIMIT 1
-  |] (Only h) <&> isJust . listToMaybe . fmap (fromOnly @(Maybe Int))
-
-
-stateGetGitLogObject :: MonadIO m => GitHash -> DB m (Maybe HashRef)
-stateGetGitLogObject h = do
-  conn <- stateConnection
-  liftIO $ query conn [qc|
-  SELECT loghash FROM logobject
-  WHERE githash = ? and type in ('commit', 'tree', 'blob')
-  LIMIT 1
-  |] (Only h) <&> listToMaybe . fmap fromOnly
-
-statePutLogContextCommit :: MonadIO m => HashRef -> GitHash -> DB m ()
-statePutLogContextCommit loghash ctx = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-  insert into logobject (loghash,type,githash) values(?,'context',?)
-  on conflict (loghash,githash) do nothing
-  |] (loghash,ctx)
-
-
-statePutLogContextRank :: MonadIO m => HashRef -> Int -> DB m ()
-statePutLogContextRank loghash rank = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-  insert into logrank (hash,rank) values(?,?)
-  on conflict (hash) do nothing
-  |] (loghash,rank)
-
-statePutLogCommitParent :: MonadIO m => (GitHash, GitHash) -> DB m ()
-statePutLogCommitParent row = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-  insert into logcommitparent (kommit,parent) values(?,?)
-  on conflict (kommit,parent) do nothing
-  |] row
-
-
-statePutLogImported :: MonadIO m => HashRef -> DB m ()
-statePutLogImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  liftIO $ execute conn [qc|
-  insert into logimported (hash,cookie) values(?,?)
-  on conflict (hash,cookie) do nothing
-  |] (h,cookie)
-
-stateGetLogImported :: MonadIO m => HashRef -> DB m Bool
-stateGetLogImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  r <- liftIO $ query @_ @(Only Int) conn [qc|
-    select 1 from logimported where hash = ? and cookie = ? limit 1
-  |] (h, cookie)
-  pure $ not $ null r
-
-statePutRefImported :: MonadIO m => HashRef -> DB m ()
-statePutRefImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  liftIO $ execute conn [qc|
-  insert into refimported (hash,cookie) values(?,?)
-  on conflict (hash,cookie) do nothing
-  |] (h,cookie)
-
-stateGetRefImported :: MonadIO m => HashRef -> DB m Bool
-stateGetRefImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  r <- liftIO $ query @_ @(Only Int) conn [qc|
-    select 1 from refimported where hash = ? and cookie = ? limit 1
-  |] (h, cookie)
-  pure $ not $ null r
-
-statePutTranImported :: MonadIO m => HashRef -> DB m ()
-statePutTranImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  debug $ "statePutTranImported" <+> pretty h <+> viaShow cookie
-  liftIO $ execute conn [qc|
-  insert into tranimported (hash, cookie) values(?, ?)
-  on conflict (hash, cookie) do nothing
-  |] (h, cookie)
-
-stateGetTranImported :: MonadIO m => HashRef -> DB m Bool
-stateGetTranImported h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  r <- liftIO $ query @_ @(Only Int) conn [qc|
-    select 1 from tranimported where hash = ? and cookie = ? limit 1
-  |] (h, cookie)
-  pure $ not $ null r
-
-stateGetAllTranImported :: MonadIO m => DB m [HashRef]
-stateGetAllTranImported = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  results <- liftIO $ query conn [qc|
-    select hash from tranimported where cookie = ?
-  |] (Only cookie)
-  pure $ map fromOnly results
-
-stateGetImportedCommits :: MonadIO m => DB m [GitHash]
-stateGetImportedCommits = do
-  conn <- stateConnection
-  liftIO $ query_ conn [qc|
-    select distinct(githash) from logobject where type = 'commit'
-  |] <&> fmap fromOnly
-
-stateGetActualRefs :: MonadIO m => DB m [(GitRef, GitHash)]
-stateGetActualRefs = do
-  conn <- stateConnection
-  liftIO $ query_ conn [qc|
-    select refname,refval from v_refval_actual
-  |]
-
-stateGetActualRefValue :: MonadIO m => GitRef -> DB m (Maybe GitHash)
-stateGetActualRefValue ref = do
-  conn <- stateConnection
-  liftIO $ query conn [qc|
-    select refval from v_refval_actual
-    where refname = ?
-  |] (Only ref) <&> fmap fromOnly . listToMaybe
-
-stateGetLastKnownCommits :: MonadIO m => Int -> DB m [GitHash]
-stateGetLastKnownCommits n  = do
-  conn <- stateConnection
-  liftIO $ query conn [qc|
-    select kommit from logcommitdepth order by depth asc limit ?;
-  |] (Only n) <&> fmap fromOnly
-
-stateUpdateCommitDepths :: MonadIO m => DB m ()
-stateUpdateCommitDepths = do
-  conn <- stateConnection
-  sp <- savepointNew
-
-  rows <- liftIO $ query_ @(GitHash, GitHash) conn [qc|SELECT kommit, parent FROM logcommitparent|]
-
-  -- TODO: check-it-works-on-huge-graphs
-  let commitEdges = rows
-  let (graph, nodeFromVertex, _) = graphFromEdges [(commit, commit, [parent]) | (commit, parent) <- commitEdges]
-  let sortedVertices = topSort graph
-  let sortedCommits = reverse [commit | vertex <- sortedVertices, let (commit, _, _) = nodeFromVertex vertex]
-  let ordered = zip sortedCommits [1..]
-
-  savepointBegin sp
-  liftIO $ execute_ conn [qc|DELETE FROM logcommitdepth|]
-  forM_ ordered $ \(co, n) -> do
-    liftIO $ execute conn
-      [qc| INSERT INTO logcommitdepth(kommit,depth)
-           VALUES(?,?)
-           ON CONFLICT(kommit)
-           DO UPDATE SET depth = ?
-      |] (co,n,n)
-    pure ()
-  savepointRelease sp
-
-
-statePutCookie :: MonadIO m => Cookie -> DB m ()
-statePutCookie cookie = do
-  conn <- stateConnection
-  let sql = [qc|INSERT INTO cookie (cookie) values(?) ON CONFLICT(cookie) DO NOTHING|]
-  liftIO $ execute conn sql (Only cookie)
-
-stateGenCookie :: (MonadIO m) => DB m Cookie
-stateGenCookie = do
-  conn <- stateConnection
-  fix \next -> do
-    cookie <- liftIO (UUID.nextRandom <&> (fromString @Cookie. show))
-
-    here <- liftIO $ query conn [qc|select 1 from cookie where cookie = ? limit 1|] (Only cookie)
-                        <&> listToMaybe @(Only Int)
-
-    if isJust here then do
-      next
-    else liftIO do
-      void $ execute conn [qc|insert into cookie (cookie) values(?)|] (Only cookie)
-      pure cookie
-
-
-stateListLocalKeys :: MonadIO m => DB m [HashRef]
-stateListLocalKeys = do
-  undefined
-
-stateGetLocalKey :: MonadIO m
-                 => KeyInfo
-                 -> DB m (Maybe HashRef)
-stateGetLocalKey ki = do
-  conn <- stateConnection
-  let h = hashObject @HbSync ki & HashRef
-  liftIO $ query conn [qc|select valuehash from groupkeylocal where keyhash = ? limit 1|] (Only h)
-            <&> fmap fromOnly . listToMaybe
-
-statePutLocalKey :: MonadIO m
-                 => KeyInfo
-                 -> HashRef
-                 -> RefLogKey HBS2Basic
-                 -> DB m ()
-
-statePutLocalKey ki gkh reflog = do
-  conn <- stateConnection
-  let sql = [qc|
-  INSERT INTO groupkeylocal (keyhash, ref, valuehash)
-  VALUES (?,?,?)
-  ON CONFLICT (keyhash) DO UPDATE SET
-    ref = excluded.ref, valuehash = excluded.valuehash
-  |]
-
-  liftIO $ execute conn sql (HashRef (hashObject @HbSync ki), reflog, gkh)
-  pure ()
-
-
-statePutProcessed :: (MonadIO m, Hashed HbSync b) => b -> DB m ()
-statePutProcessed h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  liftIO $ execute conn [qc|
-    insert into processed (hash, cookie) values (?, ?)
-    on conflict (hash) do nothing
-  |] (HashRef (hashObject @HbSync h), cookie)
-
-stateGetProcessed :: (MonadIO m, Hashed HbSync b) => b -> DB m Bool
-stateGetProcessed h = do
-  conn <- stateConnection
-  cookie <- asks (view dbCookie)
-  r <- liftIO $ query @_ @(Only Int) conn [qc|
-    select 1 from processed where hash = ? and cookie = ? limit 1
-  |] (HashRef (hashObject @HbSync h), cookie)
-  pure $ not $ null r
-
-
-statePutGK1 :: MonadIO m => HashRef
-            -> PubKey 'Encrypt HBS2Basic
-            -> GroupKey 'Symm HBS2Basic
-            -> DB m ()
-
-statePutGK1 gk0 pk gk1 = do
-  conn <- stateConnection
-  liftIO $ execute conn [qc|
-    insert into gk1 (gk0, pk, gk1) values (?, ?, ?)
-    on conflict (gk0, pk) do nothing
-  |] (gk0, Base58Field pk, Base58Field gk1)
-
-stateGetGK1 :: MonadIO m
-            => HashRef
-            -> PubKey 'Encrypt HBS2Basic
-            -> DB m (Maybe (GroupKey 'Symm HBS2Basic))
-
-stateGetGK1 gk0 pk = do
-  conn <- stateConnection
-  r <- liftIO $ query conn [qc|
-    select gk1 from gk1 where gk0 = ? and pk = ? limit 1
-  |] (gk0, Base58Field pk)
-  pure $ listToMaybe $ fmap (unBaseB8Field . fromOnly) r
-
-stateListGK1 :: MonadIO m
-            => HashRef
-            -> DB m [GroupKey 'Symm HBS2Basic]
-
-stateListGK1 gk0 = do
-  conn <- stateConnection
-  r <- liftIO $ query conn [qc|
-    select gk1 from gk1 where gk0 = ?
-  |] (Only gk0)
-  pure $ fmap (unBaseB8Field . fromOnly) r
-

hbs2-git/lib/HBS2Git/Tools.hs

@@ -1,323 +0,0 @@
-module HBS2Git.Tools where
-
-import HBS2.Prelude.Plated
-import HBS2.Base58
-import HBS2.Net.Proto.Types
-import HBS2.Net.Auth.Credentials
-import HBS2.Data.Types.Refs (HashRef)
-import HBS2.OrDie
-
-import HBS2.System.Logger.Simple
-
-import HBS2Git.Types
-import HBS2Git.App
-
-import HBS2.Git.Local.CLI
-import HBS2.Git.Types
-import HBS2Git.Import (importRefLogNew)
-import HBS2Git.Config
-import HBS2Git.State
-import HBS2Git.PrettyStuff
-
-import Data.HashMap.Strict qualified as HashMap
-import Data.ByteString.Char8 qualified as BS8
-import Data.Text qualified as Text
-import Data.Traversable
-import Data.Maybe
-import Data.Either
-import Prettyprinter.Render.Terminal
-import Control.Monad.IO.Unlift
-import Control.Monad.Catch (MonadCatch,MonadThrow,MonadMask)
-import Data.Generics.Product (field)
-import Lens.Micro.Platform
-import System.FilePath
-import System.Directory
-import System.Process.Typed
-import Text.InterpolatedString.Perl6 (qc)
-import System.IO.Temp
-import System.IO (stdout,stderr)
-
-import UnliftIO
-
-data EncryptionOpts =
-  EncryptionOpts
-  { encryptKeyring :: FilePath
-  , encryptKey     :: PubKey 'Encrypt HBS2Basic
-  }
-  deriving stock Generic
-
-data NewRepoOpts =
-  NewRepoOpts
-  { newRepoKeyring      :: Maybe FilePath
-  , newRepoEncryption   :: Maybe (PubKey 'Encrypt HBS2Basic, FilePath)
-  }
-  deriving stock (Generic)
-
-data AsRemoteEntry = AsRemoteEntry
-  { remoteName :: Text,
-    remoteURL :: Text,
-    remoteRefValue :: Maybe HashRef
-  }
-
-remoteNameColWidth :: Int
-remoteNameColWidth = 16
-
-remoteURLColWidth :: Int
-remoteURLColWidth = 51
-
-remoteRefValueColWidth :: Int
-remoteRefValueColWidth = 44
-
-instance Pretty AsRemoteEntry where
-  pretty (AsRemoteEntry {..}) =
-    fill remoteNameColWidth (pretty remoteName)
-      <+> fill remoteURLColWidth (pretty remoteURL)
-      <+> fill remoteRefValueColWidth (maybe "-" pretty remoteRefValue)
-
-hbs2Prefix :: Text
-hbs2Prefix = "hbs2://"
-
--- TODO: backlog-list-refs-all-option
---  сделать опцию --all которая выведет
---  все известные ref-ы из стейта.
---  Сейчас выводятся только локальные
-
-runListRefs :: (MonadIO m, HasStorage (App m)) => App m ()
-runListRefs = do
-  refs <- gitGetRemotes <&> filter isHbs2
-  remoteEntries <-
-    forM
-      refs
-      ( \(name, url) -> do
-          refVal <- getRefVal url
-          pure $
-            AsRemoteEntry
-              { remoteName = name,
-                remoteURL = url,
-                remoteRefValue = refVal
-              }
-      )
-  let header =
-        fill remoteNameColWidth (green "Name")
-          <+> fill remoteURLColWidth (green "URL")
-          <+> fill remoteRefValueColWidth (green "Reference value")
-  liftIO $ putDoc $ header <> line
-  liftIO $ putDoc $ vcat $ pretty <$> remoteEntries
-  where
-    isHbs2 (_, b) = Text.isPrefixOf hbs2Prefix b
-
-runToolsScan :: (MonadUnliftIO m,MonadCatch m,MonadMask m,HasStorage (App m)) => RepoRef -> App m ()
-runToolsScan ref = do
-  trace $ "runToolsScan" <+> pretty ref
-  importRefLogNew True ref
-  shutUp
-  pure ()
-
-runToolsGetRefs :: (MonadUnliftIO m,MonadCatch m,MonadMask m) => RepoRef -> App m ()
-runToolsGetRefs ref = do
-  db <- makeDbPath ref >>= dbEnv
-  refs <- withDB db stateGetActualRefs
-  let rh = RepoHead Nothing (HashMap.fromList refs)
-  hPrint stdout $ pretty (AsGitRefsFile rh)
-  shutUp
-
-getRefVal :: (MonadIO m, HasStorage m) => Text -> m (Maybe HashRef)
-getRefVal url =
-  case Text.stripPrefix hbs2Prefix url of
-    Nothing -> do
-      liftIO $ print $ pretty "wrong URL format" <+> pretty url
-      pure Nothing
-    Just refStr -> case fromStringMay $ Text.unpack refStr of
-      Nothing -> do
-        liftIO $ print $ pretty "can't parse ref" <+> pretty refStr
-        pure Nothing
-      Just ref -> do
-        mRefVal <- readRef ref
-        case mRefVal of
-          Nothing -> do
-            liftIO $ print $ pretty "readRef error" <+> pretty ref
-            pure Nothing
-          Just v -> pure $ Just v
-
-
-
-runInitRepo :: (MonadUnliftIO m, MonadThrow m, MonadCatch m) => NewRepoOpts -> m ()
-runInitRepo = runInitInteractive
-
-runInitInteractive :: (MonadUnliftIO m, MonadThrow m, MonadCatch m) => NewRepoOpts -> m ()
-runInitInteractive opts = do
-
-  hSetBuffering stdin  NoBuffering
-  hSetBuffering stdout LineBuffering
-
-  conf <- configPath ""
-           `catch`
-            (\NoWorkDirException -> do
-                liftIO $ hPutDoc stderr $ red "init:"
-                                           <+> "No git working directory."
-                                           <+> yellow "Run" <+> "'git init'" <+> "first"
-                                           <> line
-                die "nope"
-            )
-
-  rpc <- (Just <$> detectRPC False)
-           `catch`
-            (\NoRPCException -> do
-                liftIO $ hPutDoc stderr $ yellow "init:"
-                                           <+> "No RPC found."
-                                           <+> "Perhaps, hbs2-peer is down"
-                                           <> line
-                                           <> "Okay, you may add it later"
-                                           <> line
-                pure Nothing
-            )
-
-  let confFile = conf </> "config"
-
-  liftIO $ createDirectoryIfMissing True conf
-
-  confHere <- liftIO $ doesFileExist confFile
-
-  when confHere do
-    liftIO $ hPutDoc stdout $ yellow "Config"
-                           <+> pretty confFile
-                           <+> yellow "is already here."
-                           <+> "Continue? [y/n]: "
-
-    liftIO $ hFlush stdout
-
-    y <- liftIO getChar
-
-    unless (y `elem` "'yY ") do
-      exitFailure
-
-  liftIO $ hPutStrLn stdout ""
-
-  syn <- if not confHere then do
-           pure (mempty :: [Syntax C])
-         else do
-           liftIO $ try @_ @IOException (readFile confFile)
-                                <&> fromRight mempty
-                                <&> parseTop
-                                <&> fromRight mempty
-
-  let rpcHere = or [ True | (SymbolVal "rpc" :: Syntax C) <- universeBi syn ]
-
-  maybe1 rpc none $ \r -> do
-    unless rpcHere $ liftIO do
-      appendFile confFile $ show
-                          $ "rpc" <+> "unix" <+> dquotes (pretty r)
-                            <> line
-                            <> line
-
-  puk <- case view (field @"newRepoKeyring") opts of
-    Just kr -> liftIO do
-      addKeyring confFile kr
-
-    Nothing -> do
-      tmp <- liftIO $ emptyTempFile "." "reflog.key"
-
-      code <- runProcess (shell [qc|hbs2 keyring-new > {tmp}|])
-
-      unless (code == ExitSuccess) do
-        liftIO $ hPutDoc stderr $ red "init:" <+> "can't generate new keyring file" <> line
-        die "nope"
-
-      addKeyring confFile tmp
-
-
-  encrypt <- if isJust (view (field @"newRepoEncryption") opts) then do
-               pure True
-             else do
-               liftIO $ hPutDoc stdout $ yellow "Make reflog" <+> pretty (AsBase58 puk)
-                                         <+> "encrypted?"
-                                         <+> "[y/n]: "
-
-               liftIO $ hFlush stdout
-
-               y2 <- liftIO getChar
-
-               liftIO $ hPutStrLn stdout ""
-
-               pure $ y2 `elem` "'yY "
-
-  when encrypt do
-    let enc = view (field @"newRepoEncryption") opts
-
-    case enc of
-      Just (epuk, fp') -> do
-        fp <- liftIO $ makeAbsolute fp'
-        addDecrypt confFile fp
-        addEncrypted confFile puk epuk
-
-      Nothing -> do
-        tmp <- liftIO $ emptyTempFile "." "cred.key"
-
-        code <- runProcess (shell [qc|hbs2 keyring-new -n1 > {tmp}|])
-
-        fp <- liftIO $ makeAbsolute tmp
-
-        ke <- readPubKeyFrom fp
-        addDecrypt confFile fp
-        addEncrypted confFile puk ke
-
-        pure ()
-
-    pure ()
-
-  liftIO $ hPutDoc stderr $ green "Succeed!" <> line <> line
-  liftIO $ hPutDoc stderr $ pretty confFile <> line <> line
-  liftIO $ readFile confFile >>= putStrLn
-
-  where
-
-    readPubKeyFrom fp = do
-      bs <- liftIO $ BS8.readFile fp
-      cred <- pure (parseCredentials @HBS2Basic (AsCredFile bs))
-               `orDie` [qc|invalid credentials file {fp}|]
-
-      pure (view krPk <$> headMay (view peerKeyring cred))
-               `orDie` [qc|invalid credentials file {fp}|]
-
-    addEncrypted fn puk enc = liftIO do
-
-      appendFile fn $ show $
-        line
-        <> brackets (  "encrypted" <+> dquotes (pretty (AsBase58 puk))
-                      <> line
-                      <> parens ("ttl" <+> pretty 864000)
-                      <> line
-                      <> parens ("owner" <+> dquotes (pretty (AsBase58 enc)))
-                      <> line
-                    )
-        <> line
-
-      pure ()
-
-    addDecrypt fn kf = liftIO do
-      appendFile fn $ show
-                    $ ";; this keyring is a SECRET for encryption/decryption"
-                       <> line
-                       <> ";; move it to a private/safe place"
-                       <> line
-                       <> "decrypt" <+> dquotes (pretty kf)
-                       <> line
-
-    addKeyring fn kr = liftIO do
-      fp <- makeAbsolute kr
-
-      bs <- BS8.readFile fp
-      cred <- pure (parseCredentials @HBS2Basic (AsCredFile bs))
-               `orDie` [qc|invalid credentials file {fp}|]
-
-      let puk = view peerSignPk cred
-
-      liftIO $ hPutDoc stdout $ yellow "Adding reflog" <+> pretty (AsBase58 puk) <> line
-      appendFile fn  $ show $ ";; SECRET keyring for reflog" <+> pretty (AsBase58 puk) <> line
-      appendFile fn  $ show $ ";; move it to a private/safe place" <> line
-      appendFile fn  $ show line
-      appendFile fn  $ show $ "keyring" <+> dquotes (pretty fp) <> line <> line
-
-      pure puk
-
-

hbs2-git/lib/HBS2Git/Types.hs

@@ -1,237 +0,0 @@
-{-# Language PatternSynonyms #-}
-{-# Language UndecidableInstances #-}
-{-# Language TemplateHaskell #-}
-{-# Language AllowAmbiguousTypes #-}
-module HBS2Git.Types
-  ( module HBS2Git.Types
-  , module Control.Monad.IO.Class
-  , HasStorage(..)
-  , HasConf(..)
-  , AnyStorage(..)
-  , RefLogKey(..)
-  )
-  where
-
-import HBS2.Prelude.Plated
-import HBS2.Hash
-import HBS2.Git.Types
-import HBS2.Storage
-import HBS2.Peer.RPC.Client.Unix hiding (Cookie)
-import HBS2.Net.Auth.Credentials
-import HBS2.Peer.Proto hiding (Cookie)
-
-import HBS2.Peer.RPC.API.Peer
-import HBS2.Peer.RPC.API.RefLog
-import HBS2.Peer.RPC.API.Storage
-
-import HBS2.System.Logger.Simple
-
-import Data.Config.Suckless
-
-import System.ProgressBar
-import System.Exit as Exit
-import Control.Applicative
-import Control.Monad.IO.Class
-import Control.Monad.Reader
-import Data.ByteString.Lazy.Char8 qualified as LBS
-import Database.SQLite.Simple (Connection)
-import Data.Char (isSpace)
-import Data.List qualified as List
-import Lens.Micro.Platform
-import Data.HashMap.Strict (HashMap)
-import Data.HashMap.Strict qualified as HashMap
-import Control.Concurrent.STM
-import System.IO qualified as IO
-import System.IO (Handle)
-import Data.Kind
-import Control.Monad.Catch
-import Control.Monad.IO.Unlift
-
-import System.TimeIt
-
--- FIXME: remove-udp-hardcode-asap
-type Schema = HBS2Basic
-type HBS2L4Proto = L4Proto
-
--- FIXME: introduce-API-type
-type API = String
-
-newtype Cookie =
-  Cookie { fromCookie :: Text }
-  deriving newtype (Eq,Ord,Show)
-
-instance IsString Cookie where
-  fromString s = Cookie cookie
-    where cookie = fromString $ take 8
-                              $ show
-                              $ pretty
-                              $ hashObject @HbSync (LBS.pack s)
-data DBEnv =
-  DBEnv { _dbFilePath :: FilePath
-        , _dbCookie   :: Cookie
-        , _dbConn     :: TVar (Maybe Connection)
-        }
-
-makeLenses 'DBEnv
-
-type RepoRef = RefLogKey Schema
-
-data ConfBranch
-data HeadBranch
-data KeyRingFile
-data KeyRingFiles
-data StoragePref
-
-data RPCEndpoints =
-  RPCEndpoints
-  { rpcPeer    :: ServiceCaller PeerAPI UNIX
-  , rpcStorage :: ServiceCaller StorageAPI UNIX
-  , rpcRefLog  :: ServiceCaller RefLogAPI UNIX
-  }
-
-data AppEnv =
-  AppEnv
-  { _appCurDir       :: FilePath
-  , _appGitDir       :: FilePath
-  , _appConf         :: [Syntax C]
-  , _appStateDir     :: FilePath
-  , _appRefCred      :: TVar (HashMap RepoRef (PeerCredentials Schema))
-  , _appKeys         :: TVar (HashMap (PubKey 'Encrypt Schema) (PrivKey 'Encrypt Schema))
-  , _appOpts         :: TVar (HashMap String String)
-  , _appRpc          :: RPCEndpoints
-  }
-
-makeLenses 'AppEnv
-
-newtype AsGitRefsFile a = AsGitRefsFile a
-
-class HasRPC m where
-  getRPC :: m RPCEndpoints
-
-data RepoHead =
-  RepoHead
-  { _repoHEAD  :: Maybe GitRef
-  , _repoHeads :: HashMap GitRef GitHash
-  }
-  deriving stock (Generic,Show)
-
-makeLenses 'RepoHead
-
-
-instance Monoid RepoHead where
-  mempty = RepoHead Nothing mempty
-
-instance Semigroup RepoHead where
-  (<>) a b = mempty & set repoHEAD  ( view repoHEAD b <|> view repoHEAD a )
-                    & set repoHeads ( view repoHeads a <> view repoHeads b )
-
-instance Pretty (AsGitRefsFile RepoHead) where
-  pretty (AsGitRefsFile h) = hhead <> vcat (fmap fmt els)
-    where
-      hhead = case view repoHEAD h of
-               Nothing -> mempty
-               Just r -> "@" <> pretty r <+> "HEAD"  <> line
-
-      els = HashMap.toList (view repoHeads h)
-      fmt (r,hx) = pretty hx <+> pretty (normalizeRef r)
-
-
-instance Serialise RepoHead
-
--- FIXME: test-for-from-string-maybe-repohead
---   Нужно написать или сгенерировать тест
-instance FromStringMaybe RepoHead where
-  fromStringMay "" = Nothing
-  fromStringMay s =
-    case traverse decodePair (take 2 . words <$> lines trimmed) of
-      Right xs -> Just $ mconcat xs
-      _        -> Nothing
-    where
-      trimmed = dropWhile isSpace s
-      hbranch x = fromString <$> List.stripPrefix "@" x
-      decodePair :: [String] -> Either [String] RepoHead
-      decodePair [x, "HEAD"] | "@" `List.isPrefixOf` x = Right $ RepoHead (hbranch x) mempty
-
-      -- special case: deleted branch. should be handled somehow
-      decodePair [_] = Right $ RepoHead Nothing mempty
-
-      decodePair [x,r] = case fromStringMay x of
-                            Just h  -> Right $ RepoHead Nothing (HashMap.singleton (fromString r) h)
-                            Nothing -> Left [r,x]
-      decodePair other  = Left other
-
-
-class HasProgress m where
-  type family ProgressMonitor m :: Type
-  newProgressMonitor :: String -> Int -> m (ProgressMonitor  m)
-  updateProgress :: ProgressMonitor m -> Int -> m ()
-
-
-instance {-# OVERLAPPABLE #-} MonadIO m => HasProgress m where
-  type instance ProgressMonitor m = ProgressBar ()
-  updateProgress bar n = liftIO (incProgress bar n)
-  newProgressMonitor s total = liftIO $ liftIO $ newProgressBar st 10 (Progress 0 total ())
-    where
-      st = defStyle { stylePrefix = msg (fromString s)
-                    , styleWidth   = ConstantWidth 60
-                    }
-
-class MonadIO m => HasRefCredentials m where
-  getCredentials :: RepoRef -> m (PeerCredentials Schema)
-  setCredentials :: RepoRef -> PeerCredentials Schema -> m ()
-
-class MonadIO m => HasGlobalOptions m where
-  addGlobalOption :: String -> String -> m ()
-  getGlobalOption :: String -> m (Maybe String)
-
-class MonadIO m => HasEncryptionKeys m where
-  addEncryptionKey  :: KeyringEntry Schema -> m ()
-  findEncryptionKey :: PubKey 'Encrypt Schema -> m (Maybe (PrivKey 'Encrypt Schema))
-  enumEncryptionKeys :: m [KeyringEntry Schema]
-
-newtype App m a =
-  App { fromApp :: ReaderT AppEnv m a }
-  deriving newtype ( Applicative
-                   , Functor
-                   , Monad
-                   , MonadIO
-                   , MonadReader AppEnv
-                   , MonadThrow
-                   , MonadCatch
-                   , MonadMask
-                   , MonadUnliftIO
-                   , MonadTrans
-                   )
-
-instance MonadIO m => HasConf (App m) where
-  getConf = asks (view appConf)
-
-
-hPrint :: (Show a, MonadIO m) => Handle -> a -> m ()
-hPrint h s = liftIO $ IO.hPrint h s
-
-hPutStrLn :: (Show a, MonadIO m) => Handle -> String -> m ()
-hPutStrLn h s = liftIO $ IO.hPutStrLn h s
-
-exitSuccess :: MonadIO m => m ()
-exitSuccess = do
-  shutUp
-  liftIO Exit.exitSuccess
-
-exitFailure :: MonadIO m => m ()
-exitFailure = do
-  shutUp
-  liftIO Exit.exitFailure
-
-die :: MonadIO m => String -> m a
-die s = do
-  shutUp
-  pause @'Seconds 0.1
-  liftIO $ Exit.die s
-
-traceTime :: MonadIO m => String -> m a -> m a
-traceTime s action = do
-  (t, x) <- timeItT action
-  trace $ "time" <+> pretty s <+> pretty t
-  pure x
-

hbs2-keyman/hbs2-keyman.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-keyman
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause

hbs2-peer/app/BlockDownload.hs

@@ -279,13 +279,6 @@ updatePeerInfo onError _ pinfo = do
       trimDown n s | IntSet.size s >= n = IntSet.deleteMax s
                    | otherwise       = s
 
-data ByFirst a b = ByFirst a b
-
-instance Eq a => Eq (ByFirst a b) where
-  (==) (ByFirst a _) (ByFirst b _) = a == b
-
-instance Hashable a => Hashable (ByFirst a b) where
-  hashWithSalt s (ByFirst a _) = hashWithSalt s a
 
 
 downloadOnBlockSize :: (MonadIO m, IsPeerAddr e m, MyPeer e)

hbs2-peer/app/Brains.hs

@@ -38,6 +38,8 @@ import Data.Cache qualified as Cache
 import Data.Either
 import Data.HashMap.Strict (HashMap)
 import Data.HashMap.Strict qualified as HashMap
+import Data.HashSet (HashSet)
+import Data.HashSet qualified as HashSet
 import Data.List qualified as List
 import Data.Maybe
 import Data.Text qualified as Text
@@ -82,6 +84,7 @@ data BasicBrains e =
   , _brainsCommit       :: TQueue CommitCmd
   , _brainsDelDownload  :: TQueue (Hash HbSync)
   , _brainsSizeCache    :: Cache (Peer e, Hash HbSync) Integer
+  , _brainsPolled       :: TVar (HashSet (PubKey 'Sign (Encryption e), String))
   }
 
 makeLenses 'BasicBrains
@@ -96,6 +99,7 @@ cleanupPostponed b h =  do
 instance ( Hashable (Peer e)
          , Pretty (Peer e), Pretty (PeerAddr e)
          , Pretty (AsBase58 (PubKey 'Sign (Encryption e)))
+         , Hashable (PubKey 'Sign (Encryption e))
          , e ~ L4Proto
          , ForRefChans e
          ) => HasBrains e (BasicBrains e) where
@@ -103,14 +107,14 @@ instance ( Hashable (Peer e)
   onClientTCPConnected br pa@(L4Address proto _) ssid = do
     debug $ "BRAINS: onClientTCPConnected" <+> pretty proto <+> pretty pa <+> pretty ssid
     updateOP br $ insertClientTCP br pa ssid
-    commitNow br True
+    commitNow br False
 
   getClientTCP br = liftIO (selectClientTCP br)
 
   setActiveTCPSessions br ssids = do
     trace $ "BRAINS: setActiveTCPSessions" <+> pretty ssids
     updateOP br $ updateTCPSessions br ssids
-    commitNow br True
+    commitNow br False
 
   listTCPPexCandidates = liftIO . selectTCPPexCandidates
 
@@ -134,7 +138,7 @@ instance ( Hashable (Peer e)
         forM_ ps $ \pip -> do
           pa <- toPeerAddr pip
           insertKnownPeer br pa
-    commitNow br True
+    commitNow br False
 
   onBlockSize b p h size = do
     liftIO $ Cache.insert (_brainsSizeCache b) (p,h) size
@@ -217,15 +221,15 @@ instance ( Hashable (Peer e)
 
   addPolledRef brains r s i = do
 
+    liftIO $ atomically $ modifyTVar (_brainsPolled brains) (HashSet.insert (r,s))
+
     updateOP brains $ do
       let conn = view brainsDb brains
       liftIO $ execute conn sql (show $ pretty (AsBase58 r), s, i)
 
-    commitNow brains True
-
     where
       sql = [qc|
-      insert into statedb.poll (ref,type,interval)
+      insert into {poll_table} (ref,type,interval)
       values (?,?,?)
       on conflict do update set interval = excluded.interval
       |]
@@ -236,7 +240,7 @@ instance ( Hashable (Peer e)
       liftIO $ execute conn sql (Only (show $ pretty (AsBase58 r)))
     where
       sql = [qc|
-      delete from statedb.poll
+      delete from {poll_table}
       where ref = ?
       |]
 
@@ -245,22 +249,34 @@ instance ( Hashable (Peer e)
       let conn = view brainsDb brains
       case mtp of
         Nothing -> postprocess <$>
-          query_ conn [qc|select ref, type, interval from statedb.poll|]
+          query_ conn [qc|select ref, type, interval from {poll_table}|]
 
         Just tp -> postprocess <$>
-          query conn [qc|select ref, type, interval from statedb.poll where type = ?|] (Only tp)
+          query conn [qc|select ref, type, interval from {poll_table} where type = ?|] (Only tp)
     where
       postprocess = mapMaybe (\(r,t,i) -> (,t,i) <$> fromStringMay r )
 
-  isPolledRef brains ref = do
+  isPolledRef brains tp ref = do
-    liftIO do
+
-      let conn = view brainsDb brains
+    cached <- liftIO $ readTVarIO (_brainsPolled brains) <&> HashSet.member (ref,tp)
-      query @_ @(Only Int) conn [qc|
+
-        select 1 from statedb.poll
+    if cached then
-        where ref = ?
+      pure True
-        limit 1
+    else do
-      |] ( Only ( show $ pretty (AsBase58 ref) ) )
+
-        <&> isJust . listToMaybe
+      r <- liftIO do
+              let conn = view brainsDb brains
+              query @_ @(Only Int) conn [qc|
+                select 1 from {poll_table}
+                where ref = ? and type = ?
+                limit 1
+              |] ( show $ pretty (AsBase58 ref), tp )
+                <&> isJust . listToMaybe
+
+      when r do
+        liftIO $ atomically $ modifyTVar (_brainsPolled brains) (HashSet.insert (ref,tp))
+
+      pure r
 
   setSeen brains w ts = do
     utc <- liftIO getCurrentTime <&> addUTCTime ts
@@ -718,6 +734,8 @@ insertPexInfo br peers = liftIO do
     |] (Only (show $ pretty p))
 
 
+{- HLINT ignore "Functor law" -}
+
 selectPexInfo :: forall e . (e ~ L4Proto)
               => BasicBrains e
               -> IO [PeerAddr e]
@@ -730,8 +748,23 @@ selectPexInfo br = liftIO do
   |] <&> fmap (fromStringMay . fromOnly)
      <&> catMaybes
 
+tableExists :: Connection -> Maybe String -> String -> IO Bool
+tableExists conn prefix' tableName = do
+  let sql = [qc|
+     SELECT name FROM {prefix}.sqlite_master WHERE type='table' AND name=?
+  |]
+  r <- query conn sql (Only tableName) :: IO [Only String]
+  pure $ not $ null r
+
+  where
+    prefix = fromMaybe "main" prefix'
+
+
 -- FIXME: eventually-close-db
-newBasicBrains :: forall e m . (Hashable (Peer e), MonadIO m)
+newBasicBrains :: forall e m . ( Hashable (Peer e)
+                               , Hashable (PubKey 'Sign (Encryption e))
+                               , MonadIO m
+                               )
                => PeerConfig
                -> m (BasicBrains e)
 
@@ -836,14 +869,26 @@ newBasicBrains cfg = liftIO do
     )
   |]
 
-  execute_ conn [qc|
+  poll_1 <- tableExists conn (Just "statedb") "poll_1"
-    create table if not exists statedb.poll
+  poll_0 <- tableExists conn (Just "statedb") "poll"
-    ( ref      text not null
+
-    , type     text not null
+  unless poll_1 do
-    , interval int not null
+    debug $ red "BRAINS: CREATE poll_1"
-    , primary key (ref)
+    execute_ conn [qc|
-    )
+      create table if not exists statedb.poll_1
-  |]
+      ( ref      text not null
+      , type     text not null
+      , interval int not null
+      , primary key (ref,type)
+      )
+    |]
+
+    when poll_0 do
+      debug $ red "BRAINS: FILL poll_1"
+      execute_ conn [qc|
+        insert into statedb.poll_1 (ref,type,interval)
+        select ref,type,interval from statedb.poll;
+      |]
 
   execute_ conn [qc|
     create table if not exists peer_asymmkey
@@ -872,13 +917,17 @@ newBasicBrains cfg = liftIO do
               <*> newTQueueIO
               <*> newTQueueIO
               <*> Cache.newCache (Just (toTimeSpec (1200:: Timeout 'Seconds)))
-
+              <*> newTVarIO mempty
 
 data PeerDownloadsDelOnStart
 
 instance Monad m => HasCfgKey PeerDownloadsDelOnStart b m where
   key = "downloads-del-on-start"
 
+{- HLINT ignore "Use camelCase" -}
+poll_table :: String
+poll_table = "statedb.poll_1"
+
 runBasicBrains :: forall e m . ( e ~ L4Proto
                                , MonadUnliftIO m
                                , ForRefChans e
@@ -931,7 +980,7 @@ runBasicBrains cfg brains = do
   when (delDowns == FeatureOn ) do
     debug $ yellow "CLEAN ALL DOWNLOADS"
     updateOP brains (delAllDownloads brains)
-    commitNow brains True
+    commitNow brains False
 
   let polls = catMaybes (
        [ (tp,n,) <$> fromStringMay @(PubKey 'Sign (Encryption e)) (Text.unpack ref)
@@ -945,7 +994,7 @@ runBasicBrains cfg brains = do
       updateOP brains $ do
         let conn = view brainsDb brains
         liftIO $ execute conn [qc|
-          insert into statedb.poll (ref,type,interval)
+          insert into {poll_table} (ref,type,interval)
           values (?,?,?)
           on conflict do update set interval = excluded.interval
           |] (show $ pretty (AsBase58 x), show $ pretty t, mi)

hbs2-peer/app/CLI/Common.hs

@@ -1,10 +1,12 @@
 {-# Language TemplateHaskell #-}
 module CLI.Common where
 
+import HBS2.Prelude
 import HBS2.Clock
 import HBS2.Net.Messaging.Unix
 import HBS2.Net.Proto
 import HBS2.Net.Proto.Service
+import HBS2.Net.Auth.Schema
 
 import PeerConfig
 
@@ -58,3 +60,6 @@ pRpcCommon :: Parser RPCOpt
 pRpcCommon = do
   RPCOpt <$> optional confOpt
          <*> optional rpcOpt
+
+pPubKey :: ReadM (PubKey 'Sign HBS2Basic)
+pPubKey = maybeReader fromStringMay

hbs2-peer/app/CLI/LWWRef.hs

@@ -0,0 +1,76 @@
+module CLI.LWWRef where
+
+import HBS2.Prelude.Plated
+import HBS2.OrDie
+import HBS2.Net.Proto.Service
+import HBS2.Net.Auth.Credentials
+import HBS2.Data.Types.SignedBox
+import HBS2.Net.Auth.Schema
+import HBS2.Peer.Proto.LWWRef
+
+import HBS2.Peer.RPC.API.LWWRef
+import HBS2.KeyMan.Keys.Direct
+
+import CLI.Common
+import RPC2()
+import PeerLogger hiding (info)
+
+import System.Exit
+
+import Options.Applicative
+import Data.Word
+import Lens.Micro.Platform
+
+pLwwRef :: Parser (IO ())
+pLwwRef = hsubparser (   command "fetch"  (info pLwwRefFetch  (progDesc "fetch lwwref"))
+                      <> command "get"    (info pLwwRefGet    (progDesc "get lwwref"))
+                      <> command "update" (info pLwwRefUpdate (progDesc "update lwwref"))
+                     )
+pLwwRefFetch :: Parser (IO ())
+pLwwRefFetch = do
+  rpc <- pRpcCommon
+  ref <- strArgument (metavar "LWWREF")
+  pure $ withMyRPC @LWWRefAPI rpc $ \caller -> do
+    callService @RpcLWWRefFetch caller ref >>= \case
+      Left e  -> err (viaShow e) >> exitFailure
+      Right{} -> pure ()
+
+lwwRef :: ReadM (LWWRefKey HBS2Basic)
+lwwRef = maybeReader (fromStringMay @(LWWRefKey HBS2Basic))
+
+pLwwRefGet :: Parser (IO ())
+pLwwRefGet = do
+  rpc <- pRpcCommon
+  ref <- strArgument (metavar "LWWREF")
+  pure $ withMyRPC @LWWRefAPI rpc $ \caller -> do
+    callService @RpcLWWRefGet caller ref >>= \case
+      Left e  -> err (viaShow e) >> exitFailure
+      Right r -> print $ pretty r
+
+pLwwRefUpdate :: Parser (IO ())
+pLwwRefUpdate = do
+  rpc <- pRpcCommon
+  puk <- argument pPubKey (metavar "LWWREF")
+  seq' <- optional $ option @Word64 auto (short 's' <> long "seq" <> help "seqno" <>metavar "SEQ")
+  val <- option (maybeReader fromStringMay) (short 'v' <> long "value" <> help "value" <> metavar "VALUE")
+  pure $ withMyRPC @LWWRefAPI rpc $ \caller -> do
+
+
+    (sk,pk) <- liftIO $ runKeymanClient do
+                 creds  <- loadCredentials puk >>= orThrowUser "can't load credentials"
+                 pure ( view peerSignSk  creds, view peerSignPk creds )
+
+    seq <- case seq' of
+             Just v -> pure v
+             Nothing -> do
+               let ref = LWWRefKey puk
+               callService @RpcLWWRefGet caller ref >>= \case
+                 Left e  -> err (viaShow e) >> exitFailure
+                 Right Nothing -> err ("not found value for" <+> pretty ref) >> exitFailure
+                 Right (Just r) -> pure $ succ (lwwSeq r)
+
+    let box =  makeSignedBox @L4Proto pk sk (LWWRef @L4Proto seq val Nothing)
+    callService @RpcLWWRefUpdate caller box >>= \case
+      Left e  -> err (viaShow e) >> exitFailure
+      Right r -> print $ pretty r
+

hbs2-peer/app/HttpWorker.hs

@@ -2,29 +2,59 @@
 module HttpWorker where
 
 import HBS2.Prelude
+import HBS2.Hash
 import HBS2.Actors.Peer
 import HBS2.Storage
+import HBS2.Data.Detect
 import HBS2.Data.Types.Refs
-import HBS2.Merkle (AnnMetaData)
+import HBS2.Merkle
 import HBS2.Peer.Proto
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Net.Auth.Schema
+import HBS2.Data.Types.SignedBox
 import HBS2.Events
+import HBS2.Storage.Operations.ByteString
 
 import PeerTypes
 import PeerConfig
 import RefLog ( doRefLogBroadCast )
 
+import Data.Config.Suckless
+
 import Data.ByteString.Lazy qualified as LBS
 import Network.HTTP.Types.Status
 import Network.Wai.Middleware.RequestLogger
 import Text.InterpolatedString.Perl6 (qc)
 import Web.Scotty
+
+import Data.ByteString.Builder (byteString, Builder)
+
+import Control.Concurrent
+import Data.Either
 import Codec.Serialise (deserialiseOrFail)
 import Data.Aeson (object, (.=))
+import Data.ByteString.Lazy.Char8 qualified as LBS8
 import Control.Monad.Reader
 import Lens.Micro.Platform (view)
+import System.FilePath
+import Control.Monad.Except
+import Control.Monad.Trans.Cont
+
+import UnliftIO (async)
+
+{- HLINT ignore "Functor law" -}
 
 -- TODO: introduce-http-of-off-feature
 
+extractMetadataHash :: Hash HbSync -> LBS.ByteString -> Maybe (Hash HbSync)
+extractMetadataHash what blob =
+  case tryDetect what blob of
+     MerkleAnn (MTreeAnn {_mtaMeta = AnnHashRef h, _mtaCrypt = NullEncryption}) -> Just h
+     _ -> Nothing
+
+orElse :: m r -> Maybe a -> ContT r m a
+orElse a mb = ContT $ maybe1 mb a
+
 httpWorker :: forall e s m . ( MyPeer e
                              , MonadIO m
                              , HasStorage m
@@ -32,6 +62,7 @@ httpWorker :: forall e s m . ( MyPeer e
                              , s ~ Encryption e
                              , m ~ PeerM e IO
                              , e ~ L4Proto
+                             -- , ForLWWRefProto e
                              ) => PeerConfig -> AnnMetaData -> DownloadEnv e -> m ()
 
 httpWorker (PeerConfig syn) pmeta e = do
@@ -45,7 +76,11 @@ httpWorker (PeerConfig syn) pmeta e = do
     scotty port $ do
       middleware logStdout
 
+      defaultHandler $ const do
+        status status500
+
       get "/size/:hash" do
+
         what <- param @String "hash" <&> fromString
         size <- liftIO $ hasBlock sto what
         case size of
@@ -53,6 +88,73 @@ httpWorker (PeerConfig syn) pmeta e = do
           Just n -> do
             json n
 
+      -- TODO: key-to-disable-tree-streaming
+
+      get "/ref/:key" do
+
+        void $ flip runContT pure do
+          what <- lift (param @String "key" <&> fromStringMay @(LWWRefKey HBS2Basic))
+                    >>= orElse (status status404)
+
+          rv <- getRef sto what
+                  >>= orElse (status status404)
+                  >>= getBlock sto
+                  >>= orElse (status status404)
+                  <&> either (const Nothing) Just . deserialiseOrFail @(SignedBox (LWWRef e) e)
+                  >>= orElse (status status404)
+                  <&> unboxSignedBox0 @(LWWRef e)
+                  >>= orElse (status status404)
+                  <&> lwwValue . snd
+
+          lift $ redirect [qc|/tree/{pretty rv}|]
+
+      get "/tree/:hash" do
+        what <- param @String "hash" <&> fromString
+
+        void $ flip runContT pure do
+
+          callCC $ \exit -> do
+
+            blob <- liftIO (getBlock sto what)
+                      >>= orElse (status status404)
+
+            mh <- orElse (status status404) (extractMetadataHash what blob)
+
+            meta <- lift (getBlock sto mh) >>= orElse (status status404)
+                       <&> LBS8.unpack
+                       <&> fromRight mempty . parseTop
+
+            let tp = headDef "application/octet-stream"
+                     [ show (pretty w)
+                     | ListVal [SymbolVal "mime-type:", LitStrVal w] <- meta
+                     ]
+
+            let fn = headMay
+                     [ show (pretty w)
+                     | ListVal [SymbolVal "file-name:", LitStrVal w] <- meta
+                     ]
+
+            -- liftIO $ print $ pretty meta
+
+            case fn of
+              Just x | takeExtension x == ".html" -> pure  ()
+                     | otherwise -> lift $ do
+                         addHeader "content-disposition" [qc|attachment; filename="{x}"|]
+
+              _ -> pure ()
+
+            lift $ addHeader "content-type" (fromString tp)
+
+            elbs <- lift $ runExceptT $ readFromMerkle sto (SimpleKey what)
+
+            case elbs of
+              Left{} -> lift $ status status404
+              Right lbs -> lift do
+                stream $ \write flush -> do
+                  for_ (LBS.toChunks lbs) $ \chunk -> do
+                    write $ byteString chunk
+                  flush
+
       get "/cat/:hash" do
         what <- param @String "hash" <&> fromString
         blob <- liftIO $ getBlock sto what

hbs2-peer/app/LWWRef.hs

@@ -0,0 +1,52 @@
+module LWWRef where
+
+import HBS2.Prelude.Plated
+import HBS2.Actors.Peer
+import HBS2.Data.Types.Refs
+import HBS2.Net.Proto
+import HBS2.Base58
+import HBS2.Storage
+import HBS2.Storage.Operations.Missed
+import HBS2.Hash
+import HBS2.Peer.Proto
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Net.Auth.Credentials
+
+import HBS2.Misc.PrettyStuff
+
+import Brains
+import PeerConfig
+import PeerTypes
+
+import Control.Monad
+import UnliftIO
+import Lens.Micro.Platform
+
+{- HLINT ignore "Functor law" -}
+
+lwwRefWorker :: forall e s m . ( MonadIO m
+                               , MonadUnliftIO m
+                               , MyPeer e
+                               , HasStorage m
+                               , Sessions e (KnownPeer e) m
+                               , HasGossip e (LWWRefProto e) m
+                               , Signatures s
+                               , s ~ Encryption e
+                               , IsRefPubKey s
+                               )
+             => PeerConfig
+             -> SomeBrains e
+             -> m ()
+
+lwwRefWorker conf brains = do
+
+   let listRefs = listPolledRefs @e brains (Just "lwwref")
+                   <&> fmap (\(a,_,b) -> (a,b))
+                   <&> fmap (over _2 ( (*60) . fromIntegral) )
+
+   polling (Polling 5 5) listRefs $ \ref -> do
+    debug $ yellow "POLLING LWWREF" <+> pretty (AsBase58 ref)
+    gossip (LWWRefProto1 @e (LWWProtoGet (LWWRefKey ref)))
+
+
+

hbs2-peer/app/PeerMain.hs

@@ -16,6 +16,7 @@ import HBS2.Data.Types.Refs
 import HBS2.Data.Types.SignedBox
 import HBS2.Data.Types
 import HBS2.Net.Auth.Credentials
+import HBS2.Net.Auth.Schema()
 import HBS2.Net.IP.Addr
 import HBS2.Net.Messaging.UDP
 import HBS2.Net.Messaging.TCP
@@ -47,11 +48,13 @@ import Bootstrap
 import CheckMetrics
 import RefLog qualified
 import RefLog (reflogWorker)
+import LWWRef (lwwRefWorker)
 import HttpWorker
 import DispatchProxy
 import PeerMeta
 import CLI.Common
 import CLI.RefChan
+import CLI.LWWRef
 import RefChan
 import RefChanNotifyLog
 import Fetch (fetchHash)
@@ -65,9 +68,12 @@ import HBS2.Peer.RPC.API.Storage
 import HBS2.Peer.RPC.API.Peer
 import HBS2.Peer.RPC.API.RefLog
 import HBS2.Peer.RPC.API.RefChan
+import HBS2.Peer.RPC.API.LWWRef
 import HBS2.Peer.Notify
 import HBS2.Peer.RPC.Client.StorageClient
 
+import HBS2.Peer.Proto.LWWRef.Internal
+
 import RPC2(RPC2Context(..))
 
 import Codec.Serialise as Serialise
@@ -120,7 +126,7 @@ instance Exception GoAgainException
 
 -- TODO: write-workers-to-config
 defStorageThreads :: Integral a => a
-defStorageThreads = 2
+defStorageThreads = 4
 
 defLocalMulticast :: String
 defLocalMulticast = "239.192.152.145:10153"
@@ -233,6 +239,7 @@ runCLI = do
                 <> command "fetch"     (info pFetch (progDesc "fetch block"))
                 <> command "reflog"    (info pRefLog (progDesc "reflog commands"))
                 <> command "refchan"   (info pRefChan (progDesc "refchan commands"))
+                <> command "lwwref"    (info pLwwRef (progDesc "lwwref commands"))
                 <> command "peers"     (info pPeers (progDesc "show known peers"))
                 <> command "pexinfo"   (info pPexInfo (progDesc "show pex"))
                 <> command "download"  (info pDownload  (progDesc "download management"))
@@ -450,7 +457,6 @@ runCLI = do
                        <> command "del" (info  pPollDel (progDesc "del poller" ))
                        )
 
-
     pPollAdd = do
       rpc <- pRpcCommon
       r <- argument refP (metavar "REF")
@@ -614,6 +620,8 @@ respawn opts =
 runPeer :: forall e s . ( e ~ L4Proto
                         , FromStringMaybe (PeerAddr e)
                         , s ~ Encryption e
+                        -- , ForLWWRefProto e
+                        -- , Serialise (PubKey 'Sign (Encryption e))
                         , HasStorage (PeerM e IO)
                         )=> PeerOpts -> IO ()
 
@@ -812,7 +820,7 @@ runPeer opts = Exception.handle (\e -> myException e
   let refChanAdapter =
         RefChanAdapter
         { refChanOnHead = refChanOnHeadFn rce
-        , refChanSubscribed = isPolledRef @e brains
+        , refChanSubscribed = isPolledRef @e brains "refchan"
         , refChanWriteTran = refChanWriteTranFn rce
         , refChanValidatePropose = refChanValidateTranFn @e rce
 
@@ -996,6 +1004,10 @@ runPeer opts = Exception.handle (\e -> myException e
                                             err $ red "Exception" <+> "in thread" <+> pretty t <+> viaShow e
                                             liftIO $ throwTo myself GoAgainException
 
+
+              let lwwRefProtoA = lwwRefProto (LWWRefProtoAdapter { lwwFetchBlock = download })
+                   where download h = withPeerM env $ withDownload denv (addDownload Nothing h)
+
               flip runContT pure do
 
                 peerThread "local multicast" $ forever $ do
@@ -1029,6 +1041,8 @@ runPeer opts = Exception.handle (\e -> myException e
 
                 peerThread "refChanNotifyLogWorker" (refChanNotifyLogWorker @e conf (SomeBrains brains))
 
+                peerThread "lwwRefWorker" (lwwRefWorker @e conf (SomeBrains brains))
+
                 liftIO $ withPeerM penv do
                   runProto @e
                     [ makeResponse (blockSizeProto blk (downloadOnBlockSize denv) onNoBlock)
@@ -1043,6 +1057,8 @@ runPeer opts = Exception.handle (\e -> myException e
                     , makeResponse (refChanUpdateProto False pc refChanAdapter)
                     , makeResponse (refChanRequestProto False refChanAdapter)
                     , makeResponse (refChanNotifyProto False refChanAdapter)
+                    -- TODO: change-all-to-authorized
+                    , makeResponse ((authorized . subscribed (SomeBrains brains)) lwwRefProtoA)
                     ]
 
 
@@ -1147,15 +1163,16 @@ runPeer opts = Exception.handle (\e -> myException e
     envrl <- newNotifyEnvServer @(RefLogEvents L4Proto) refLogNotifySource
     w1 <- asyncLinked $ runNotifyWorkerServer env
     w2 <- asyncLinked $ runNotifyWorkerServer envrl
-    runProto @UNIX
+    wws <- replicateM 1 $ async $ runProto @UNIX
       [ makeResponse (makeServer @PeerAPI)
       , makeResponse (makeServer @RefLogAPI)
       , makeResponse (makeServer @RefChanAPI)
       , makeResponse (makeServer @StorageAPI)
+      , makeResponse (makeServer @LWWRefAPI)
       , makeResponse (makeNotifyServer @(RefChanEvents L4Proto) env)
       , makeResponse (makeNotifyServer @(RefLogEvents L4Proto) envrl)
       ]
-    mapM_ wait [w1,w2]
+    mapM_ wait (w1 : w2 : wws )
 
   void $ waitAnyCancel $ w <> [ loop
                               , m1

hbs2-peer/app/PeerTypes.hs

@@ -3,6 +3,7 @@
 {-# Language UndecidableInstances #-}
 {-# Language AllowAmbiguousTypes #-}
 {-# Language MultiWayIf #-}
+{-# Language FunctionalDependencies #-}
 module PeerTypes
   ( module PeerTypes
   , module PeerLogger
@@ -13,6 +14,8 @@ module PeerTypes
 import HBS2.Polling
 import HBS2.Actors.Peer
 import HBS2.Clock
+import HBS2.Net.Auth.Schema
+import HBS2.Net.Auth.Credentials
 import HBS2.Data.Types.SignedBox
 import HBS2.Data.Types.Peer
 import HBS2.Data.Types.Refs
@@ -24,6 +27,7 @@ import HBS2.Net.IP.Addr
 import HBS2.Net.Proto
 import HBS2.Peer.Proto.Peer
 import HBS2.Peer.Proto.BlockInfo
+import HBS2.Peer.Proto.LWWRef
 import HBS2.Net.Proto.Sessions
 import HBS2.Prelude.Plated
 import HBS2.Storage
@@ -481,4 +485,40 @@ simpleBlockAnnounce size h = do
     pure $ BlockAnnounce @e no annInfo
 
 
+class IsPolledKey e proto | proto -> e where
+  getPolledKey :: proto -> (String, PubKey 'Sign (Encryption e))
+
+instance IsPolledKey e (LWWRefProto e) where
+  getPolledKey = \case
+    LWWRefProto1 (LWWProtoGet (LWWRefKey k)) -> (tp,k)
+    LWWRefProto1 (LWWProtoSet (LWWRefKey k) _) -> (tp,k)
+    where tp = "lwwref"
+
+subscribed :: forall e proto m . ( MonadIO  m
+                                 , IsPolledKey e proto
+                                 , Request e proto m
+                                 , Response e proto m
+                                 )
+
+           => SomeBrains e
+           -> (proto -> m ())
+           -> proto
+           -> m ()
+
+subscribed brains f req = do
+  let (tp,ref) = getPolledKey req
+  polled <- isPolledRef @e brains tp ref
+  when polled $ f req
+
+authorized :: forall e proto m . ( MonadIO m
+                                 , Request e proto m
+                                 , Response e proto m
+                                 , Sessions e (KnownPeer e) m
+                                 )
+           => (proto -> m ()) -> proto -> m ()
+authorized f req = do
+  p <- thatPeer @proto
+  auth <- find (KnownPeerKey p) id <&> isJust
+  when auth (f req)
+
 

hbs2-peer/app/RPC2.hs

@@ -2,10 +2,12 @@ module RPC2
   ( module RPC2.Peer
   , module RPC2.RefLog
   , module RPC2.RefChan
+  , module RPC2.LWWRef
   ) where
 
 
 import RPC2.Peer
 import RPC2.RefLog
 import RPC2.RefChan
+import RPC2.LWWRef
 

hbs2-peer/app/RPC2/LWWRef.hs

@@ -0,0 +1,77 @@
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# Language UndecidableInstances #-}
+module RPC2.LWWRef where
+
+
+import HBS2.Peer.Prelude
+
+import HBS2.Actors.Peer
+import HBS2.Data.Types.SignedBox
+import HBS2.Peer.Proto
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Peer.Proto.LWWRef.Internal
+import HBS2.Storage
+import HBS2.Net.Messaging.Unix
+import HBS2.Misc.PrettyStuff
+
+import PeerTypes
+
+import HBS2.Peer.RPC.Internal.Types
+import HBS2.Peer.RPC.API.LWWRef
+
+import Lens.Micro.Platform
+import Control.Monad.Reader
+import Control.Monad.Trans.Maybe
+
+type LWWRefContext m = (MonadIO m, HasRpcContext LWWRefAPI RPC2Context m)
+
+instance (Monad m)
+  => HasRpcContext LWWRefAPI RPC2Context (ResponseM UNIX (ReaderT RPC2Context m)) where
+  getRpcContext = lift ask
+
+instance (LWWRefContext m) => HandleMethod m RpcLWWRefGet where
+
+  handleMethod key = do
+    co <- getRpcContext @LWWRefAPI
+    debug "rpc.LWWRefContext"
+
+    let penv = rpcPeerEnv co
+    liftIO $ withPeerM penv $ do
+      sto <- getStorage
+      runMaybeT do
+        rv <- getRef sto key >>= toMPlus
+        val <- getBlock sto rv >>= toMPlus
+                <&> unboxSignedBox @(LWWRef L4Proto) @L4Proto
+                >>= toMPlus
+
+        pure $ snd val
+
+instance LWWRefContext m => HandleMethod m RpcLWWRefFetch where
+
+  handleMethod key = do
+    co <- getRpcContext @LWWRefAPI
+    debug $ green "rpc.LWWRefFetch" <+> pretty key
+
+    let penv = rpcPeerEnv co
+    liftIO $ withPeerM penv $ do
+      gossip (LWWRefProto1 @L4Proto (LWWProtoGet key))
+
+instance LWWRefContext m => HandleMethod m RpcLWWRefUpdate where
+
+  handleMethod box = do
+    co <- getRpcContext @LWWRefAPI
+    debug "rpc.LWWRefUpdate"
+
+    let penv = rpcPeerEnv co
+
+    let nada = LWWRefProtoAdapter dontHandle
+
+    void $ runMaybeT do
+      (puk, _) <- unboxSignedBox0 box & toMPlus
+
+      liftIO $ withPeerM penv do
+        me <- ownPeer @L4Proto
+        runResponseM me $ do
+          lwwRefProto nada (LWWRefProto1 (LWWProtoSet @L4Proto (LWWRefKey puk) box))
+
+

hbs2-peer/app/RPC2/Poll.hs

@@ -24,7 +24,9 @@ instance (MonadIO m, HasRpcContext PeerAPI RPC2Context m) => HandleMethod m RpcP
   handleMethod (r,t,i) = do
     brains <- getRpcContext @PeerAPI <&> rpcBrains
     debug $ "rpc.pollAdd"
-    addPolledRef @L4Proto brains r t i
+    polled <- isPolledRef @L4Proto brains t r
+    unless polled do
+      addPolledRef @L4Proto brains r t i
 
 instance (MonadIO m, HasRpcContext PeerAPI RPC2Context m) => HandleMethod m RpcPollDel where
 

hbs2-peer/app/RefLog.hs

@@ -65,7 +65,7 @@ mkRefLogRequestAdapter :: forall e s m . ( MonadIO m
           => SomeBrains e -> m (RefLogRequestI e (ResponseM e m ))
 mkRefLogRequestAdapter brains = do
   sto <- getStorage
-  pure $ RefLogRequestI (doOnRefLogRequest brains sto) dontHandle (isPolledRef @e brains)
+  pure $ RefLogRequestI (doOnRefLogRequest brains sto) dontHandle (isPolledRef @e brains "reflog")
 
 doOnRefLogRequest :: forall e s m . ( MonadIO m
                                     , MyPeer e
@@ -78,10 +78,10 @@ doOnRefLogRequest :: forall e s m . ( MonadIO m
                    -> m (Maybe (Hash HbSync))
 
 doOnRefLogRequest brains sto (_,pk) = runMaybeT do
-  isPolledRef @e brains pk >>= guard
+  isPolledRef @e brains "reflog" pk >>= guard
   ref <- liftIO $ getRef sto (RefLogKey @s pk)
   when (isNothing ref) do
-    warn $ "missed reflog value" <+> pretty ref
+    warn $ "missed reflog value" <+> pretty (RefLogKey @s pk)
   toMPlus ref
 
 data RefLogWorkerAdapter e =
@@ -150,7 +150,7 @@ reflogWorker conf brains adapter = do
   subscribe @e RefLogUpdateEvKey $ \(RefLogUpdateEvData (reflog,v, mpip)) -> do
     trace $ "reflog worker.got refupdate" <+> pretty (AsBase58 reflog)
 
-    polled <- isPolledRef @e brains reflog
+    polled <- isPolledRef @e brains "reflog" reflog
     buddy <- maybe1 mpip (pure False) $ \pip -> do
                 pa <- toPeerAddr @e pip
                 acceptAnnouncesFromPeer @e conf pa

hbs2-peer/hbs2-peer.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-peer
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause
@@ -69,6 +69,7 @@ common common-deps
         , warp
         , http-conduit
         , http-types
+        , wai
         , wai-extra
         , unliftio
         , unliftio-core
@@ -157,11 +158,14 @@ library
       HBS2.Peer.Proto.RefChan.RefChanNotify
       HBS2.Peer.Proto.RefChan.RefChanUpdate
       HBS2.Peer.Proto.AnyRef
+      HBS2.Peer.Proto.LWWRef
+      HBS2.Peer.Proto.LWWRef.Internal
 
       HBS2.Peer.RPC.Class
       HBS2.Peer.RPC.API.Peer
       HBS2.Peer.RPC.API.RefLog
       HBS2.Peer.RPC.API.RefChan
+      HBS2.Peer.RPC.API.LWWRef
       HBS2.Peer.RPC.API.Storage
       HBS2.Peer.RPC.Client.Unix
       HBS2.Peer.RPC.Client.StorageClient
@@ -172,6 +176,54 @@ library
     other-modules:
       -- HBS2.System.Logger.Simple
 
+
+test-suite test
+    import:           shared-properties
+    default-language: Haskell2010
+
+    other-modules:
+
+    -- other-extensions:
+
+    type:             exitcode-stdio-1.0
+    hs-source-dirs:   test
+    main-is:          TestSuite.hs
+    build-depends:
+          base, hbs2-peer, hbs2-core
+        , async
+        , bytestring
+        , cache
+        , containers
+        , directory
+        , hashable
+        , microlens-platform
+        , mtl
+        , prettyprinter
+        , QuickCheck
+        , quickcheck-instances
+        , random
+        , safe
+        , serialise
+        , stm
+        , streaming
+        , tasty
+        , tasty-quickcheck
+        , tasty-hunit
+        , tasty-quickcheck
+        , transformers
+        , uniplate
+        , vector
+        , saltine
+        , simple-logger
+        , string-conversions
+        , filepath
+        , temporary
+        , unliftio
+        , resourcet
+
+
+
+
 executable hbs2-peer
     import:           shared-properties
     import:           common-deps
@@ -207,18 +259,21 @@ executable hbs2-peer
                     , RPC2.Downloads
                     , RPC2.RefLog
                     , RPC2.RefChan
+                    , RPC2.LWWRef
                     , PeerTypes
                     , PeerLogger
                     , PeerConfig
                     , RefLog
                     , RefChan
                     , RefChanNotifyLog
+                    , LWWRef
                     , CheckMetrics
                     , HttpWorker
                     , Brains
                     , DispatchProxy
                     , CLI.Common
                     , CLI.RefChan
+                    , CLI.LWWRef
 
                     , Paths_hbs2_peer
 

hbs2-peer/lib/HBS2/Peer/Brains.hs

@@ -18,8 +18,8 @@ class HasBrains e a where
   listPolledRefs :: MonadIO m => a -> Maybe String -> m [(PubKey 'Sign (Encryption e), String, Int)]
   listPolledRefs _ _  = pure mempty
 
-  isPolledRef :: MonadIO m => a -> PubKey 'Sign (Encryption e) -> m Bool
+  isPolledRef :: MonadIO m => a -> String -> PubKey 'Sign (Encryption e) -> m Bool
-  isPolledRef _ _ = pure False
+  isPolledRef _ _ _ = pure False
 
   delPolledRef :: MonadIO m => a -> PubKey 'Sign (Encryption e) -> m ()
   delPolledRef _ _ = pure ()

hbs2-peer/lib/HBS2/Peer/Proto.hs

@@ -1,4 +1,5 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# Language UndecidableInstances #-}
 module HBS2.Peer.Proto
   ( module HBS2.Peer.Proto.PeerMeta
   , module HBS2.Peer.Proto.BlockAnnounce
@@ -27,6 +28,7 @@ import HBS2.Peer.Proto.PeerExchange
 import HBS2.Peer.Proto.RefLog
 import HBS2.Peer.Proto.RefChan hiding (Notify)
 import HBS2.Peer.Proto.AnyRef
+import HBS2.Peer.Proto.LWWRef
 
 import HBS2.Actors.Peer.Types
 import HBS2.Net.Messaging.Unix (UNIX)
@@ -146,6 +148,12 @@ instance HasProtocol L4Proto (RefChanNotify L4Proto) where
   -- возьмем пока 10 секунд
   requestPeriodLim = NoLimit
 
+instance ForLWWRefProto L4Proto => HasProtocol L4Proto (LWWRefProto L4Proto) where
+  type instance ProtocolId (LWWRefProto L4Proto) = 12001
+  type instance Encoded L4Proto = ByteString
+  decode = either (const Nothing) Just . deserialiseOrFail
+  encode = serialise
+  requestPeriodLim = ReqLimPerMessage 1
 
 instance Serialise (RefChanValidate UNIX) => HasProtocol UNIX (RefChanValidate UNIX) where
   type instance ProtocolId (RefChanValidate UNIX) = 0xFFFA0001

hbs2-peer/lib/HBS2/Peer/Proto/LWWRef.hs

@@ -0,0 +1,139 @@
+{-# Language UndecidableInstances #-}
+{-# Language AllowAmbiguousTypes #-}
+module HBS2.Peer.Proto.LWWRef where
+
+import HBS2.Prelude.Plated
+import HBS2.OrDie
+import HBS2.Base58
+import HBS2.Storage
+import HBS2.Hash
+import HBS2.Net.Auth.Credentials
+import HBS2.Net.Proto.Types
+import HBS2.Data.Types.SignedBox
+import HBS2.Data.Types.Refs
+import HBS2.Net.Proto.Types
+import HBS2.Net.Auth.Schema()
+
+import Data.ByteString (ByteString)
+import Data.Hashable hiding (Hashed)
+import Data.Maybe
+import Data.Word
+import Control.Monad.Trans.Maybe
+import Control.Monad.Except
+import Codec.Serialise
+
+data LWWRefProtoReq e =
+    LWWProtoGet (LWWRefKey (Encryption e))
+  | LWWProtoSet (LWWRefKey (Encryption e)) (SignedBox (LWWRef e) e)
+  deriving stock Generic
+
+
+data LWWRefProto e =
+  LWWRefProto1 (LWWRefProtoReq e)
+  deriving stock (Generic)
+
+data LWWRef e =
+  LWWRef
+  { lwwSeq      :: Word64
+  , lwwValue    :: HashRef
+  , lwwProof    :: Maybe HashRef
+  }
+  deriving stock (Generic)
+
+
+type ForLWWRefProto e = (ForSignedBox e, Serialise (LWWRefKey (Encryption e)))
+
+instance ForLWWRefProto e => Serialise (LWWRefProtoReq e)
+instance ForLWWRefProto e => Serialise (LWWRefProto e)
+instance ForLWWRefProto e => Serialise (LWWRef e)
+
+newtype LWWRefKey s =
+  LWWRefKey
+  { fromLwwRefKey :: PubKey 'Sign s
+  }
+  deriving stock (Generic)
+
+
+instance RefMetaData (LWWRefKey s)
+
+deriving stock instance IsRefPubKey s => Eq (LWWRefKey s)
+
+instance IsRefPubKey e => Serialise (LWWRefKey e)
+
+instance IsRefPubKey s => Hashable (LWWRefKey s) where
+  hashWithSalt s k = hashWithSalt s (hashObject @HbSync k)
+
+instance IsRefPubKey s => Hashed HbSync (LWWRefKey s) where
+  hashObject (LWWRefKey pk) = hashObject ("lwwrefkey|" <> serialise pk)
+
+instance IsRefPubKey s => FromStringMaybe (LWWRefKey s) where
+  fromStringMay s = LWWRefKey <$> fromStringMay s
+
+instance IsRefPubKey s =>  IsString (LWWRefKey s) where
+  fromString s = fromMaybe (error "bad public key base58") (fromStringMay s)
+
+instance Pretty (AsBase58 (PubKey 'Sign s )) => Pretty (AsBase58 (LWWRefKey s)) where
+  pretty (AsBase58 (LWWRefKey k)) = pretty (AsBase58 k)
+
+instance Pretty (AsBase58 (PubKey 'Sign s )) => Pretty (LWWRefKey s) where
+  pretty (LWWRefKey k) = pretty (AsBase58 k)
+
+
+instance Pretty (LWWRef e) where
+  pretty (LWWRef{..}) = parens ( "lwwref" <> line
+                          <> indent 2 ( seqno <> line <> val <> line <> proof)
+                        )
+    where
+      seqno = parens ( "seq" <+> pretty lwwSeq )
+      val   = parens ( "value" <+> dquotes (pretty lwwValue) )
+      proof | isNothing lwwProof = mempty
+            | otherwise = parens ( "proof" <+> pretty lwwProof)
+
+
+data ReadLWWRefError =
+    ReadLWWStorageError
+  | ReadLWWFormatError
+  | ReadLWWSignatureError
+  deriving stock (Show,Typeable)
+
+readLWWRef :: forall e s m . ( MonadIO m
+                             , MonadError ReadLWWRefError m
+                             , Encryption e ~ s
+                             , ForLWWRefProto e
+                             , Signatures s
+                             , IsRefPubKey s
+                             )
+           => AnyStorage
+           -> LWWRefKey s
+           -> m (Maybe (LWWRef e))
+
+readLWWRef sto key = runMaybeT do
+  getRef sto key
+    >>= toMPlus
+    >>= getBlock sto
+    >>= toMPlus
+    <&> deserialiseOrFail @(SignedBox (LWWRef e) e)
+    >>= orThrowError ReadLWWFormatError
+    <&> unboxSignedBox0
+    >>= orThrowError ReadLWWSignatureError
+    <&> snd
+
+updateLWWRef :: forall s e m . ( Encryption e ~ s
+                               , ForLWWRefProto e
+                               , MonadIO m
+                               , Signatures s
+                               , IsRefPubKey s
+                               )
+             => AnyStorage
+             -> LWWRefKey s
+             -> PrivKey 'Sign s
+             -> LWWRef e
+             -> m (Maybe HashRef)
+
+updateLWWRef sto k sk v = do
+  let box = makeSignedBox @e (fromLwwRefKey k) sk v
+  runMaybeT do
+    hx <- putBlock sto (serialise box) >>= toMPlus
+    updateRef sto k hx
+    pure (HashRef hx)
+

hbs2-peer/lib/HBS2/Peer/Proto/LWWRef/Internal.hs

@@ -0,0 +1,117 @@
+module HBS2.Peer.Proto.LWWRef.Internal
+  ( module HBS2.Peer.Proto.LWWRef.Internal
+  , module HBS2.Peer.Proto.LWWRef
+  ) where
+
+import HBS2.Prelude.Plated
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Data.Types.SignedBox
+import HBS2.Storage
+
+import HBS2.Hash
+import HBS2.Clock
+import HBS2.Net.Proto
+import HBS2.Net.Auth.Credentials
+import HBS2.Base58
+import HBS2.Events
+import HBS2.Actors.Peer.Types
+import HBS2.Peer.Proto.Peer
+import HBS2.Net.Proto.Sessions
+import HBS2.Data.Types.Refs
+import HBS2.Misc.PrettyStuff
+import HBS2.System.Logger.Simple
+
+import Codec.Serialise
+import Control.Monad
+import Control.Monad.Trans.Maybe
+import Data.Maybe
+
+{- HLINT ignore "Functor law" -}
+
+
+data LWWRefProtoAdapter e m =
+  LWWRefProtoAdapter
+  { lwwFetchBlock :: Hash HbSync -> m ()
+  }
+
+lwwRefProto :: forall e s m proto . ( MonadIO m
+                                    , ForLWWRefProto e
+                                    , Request e proto m
+                                    , Response e proto m
+                                    , HasDeferred proto e m
+                                    , HasGossip e (LWWRefProto e) m
+                                    , HasStorage m
+                                    , IsPeerAddr e m
+                                    , Pretty (Peer e)
+                                    , Sessions e (KnownPeer e) m
+                                    , Signatures s
+                                    , Pretty (AsBase58 (PubKey 'Sign s))
+                                    , s ~ Encryption e
+                                    , proto ~ LWWRefProto e
+                                    )
+                  => LWWRefProtoAdapter e m
+                  -> LWWRefProto e -> m ()
+
+lwwRefProto adapter pkt@(LWWRefProto1 req) = do
+  debug $ yellow "lwwRefProto"
+
+  case req of
+    LWWProtoGet key -> deferred @proto $ void $ runMaybeT do
+      sto <- getStorage
+
+      ref <- getRef sto key   >>= toMPlus
+
+      box <- getBlock sto ref
+                 >>= toMPlus
+                 <&> deserialiseOrFail
+                 >>= toMPlus
+
+      lift $ response (LWWRefProto1 (LWWProtoSet @e key box))
+
+    LWWProtoSet key box -> void $ runMaybeT do
+
+      (puk, lww) <- MaybeT $ pure $ unboxSignedBox0 box
+
+      guard ( puk == fromLwwRefKey key )
+
+      deferred @proto do
+
+        sto <- getStorage
+
+        let bs = serialise box
+        let h0  = hashObject @HbSync bs
+
+        new <- hasBlock sto h0 <&> isNothing
+
+        when new do
+          lift $ gossip pkt
+
+        lift $ lwwFetchBlock adapter (fromHashRef (lwwValue lww))
+
+        getRef sto key >>= \case
+          Nothing -> do
+            h <- enqueueBlock sto bs >>= toMPlus
+            updateRef sto key h
+
+          Just rv -> do
+            blk' <- getBlock sto rv
+            maybe1 blk' (forcedUpdateLwwRef sto key bs) $ \blk -> do
+
+              let lww0 = deserialiseOrFail @(SignedBox (LWWRef e) e) blk
+                             & either (const Nothing) Just
+                             >>= unboxSignedBox0
+                             <&> snd
+
+              let seq0  = lwwSeq <$> lww0
+              let lwwv0 = lwwValue <$> lww0
+
+              when (    Just (lwwSeq lww) > seq0
+                    || (Just (lwwSeq lww) == seq0 && Just (lwwValue lww) > lwwv0)
+                   ) do
+                forcedUpdateLwwRef sto key (serialise box)
+
+    where
+      forcedUpdateLwwRef sto key bs = do
+        h' <- enqueueBlock sto bs
+        forM_ h' $ updateRef sto key
+

hbs2-peer/lib/HBS2/Peer/Proto/RefLog.hs

@@ -24,6 +24,8 @@ import Data.ByteString (ByteString)
 import Type.Reflection (someTypeRep)
 import Lens.Micro.Platform
 
+
+
 newtype RefLogKey s = RefLogKey { fromRefLogKey :: PubKey 'Sign s }
                       deriving stock Generic
 

hbs2-peer/lib/HBS2/Peer/RPC/API/LWWRef.hs

@@ -0,0 +1,40 @@
+module HBS2.Peer.RPC.API.LWWRef where
+
+import HBS2.Peer.Prelude
+import HBS2.Peer.Proto.LWWRef
+import HBS2.Data.Types.SignedBox
+import HBS2.Net.Messaging.Unix
+import HBS2.Data.Types.Refs (HashRef(..))
+import HBS2.Net.Proto.Service
+import HBS2.Peer.Proto.RefLog (RefLogUpdate)
+
+import Data.ByteString.Lazy (ByteString)
+import Codec.Serialise
+
+data RpcLWWRefGet
+data RpcLWWRefUpdate
+data RpcLWWRefFetch
+
+type LWWRefAPI = '[ RpcLWWRefGet    -- may be done via storage
+                  , RpcLWWRefUpdate --
+                  , RpcLWWRefFetch  --
+                  ]
+
+instance HasProtocol UNIX  (ServiceProto LWWRefAPI UNIX) where
+  type instance ProtocolId (ServiceProto LWWRefAPI UNIX) = 16267229472009458342
+  type instance Encoded UNIX = ByteString
+  decode = either (const Nothing) Just . deserialiseOrFail
+  encode = serialise
+
+type instance Input RpcLWWRefGet   = LWWRefKey HBS2Basic
+type instance Output RpcLWWRefGet  = Maybe (LWWRef L4Proto)
+
+type instance Input RpcLWWRefFetch   = LWWRefKey HBS2Basic
+type instance Output RpcLWWRefFetch  = ()
+
+type instance Input RpcLWWRefUpdate = SignedBox (LWWRef L4Proto) L4Proto
+type instance Output RpcLWWRefUpdate = ()
+
+
+
+

hbs2-peer/test/TestSuite.hs

@@ -0,0 +1,107 @@
+module Main where
+
+import HBS2.Prelude.Plated
+import HBS2.OrDie
+import HBS2.Base58 as B58
+import HBS2.Hash
+import HBS2.Net.Proto.Types
+import HBS2.Peer.Proto.RefLog
+import HBS2.Net.Auth.Schema
+import HBS2.Misc.PrettyStuff
+
+import Test.Tasty
+import Test.Tasty.HUnit
+
+import Data.Maybe
+import Data.ByteString
+import Data.ByteString.Lazy qualified as LBS
+import Codec.Serialise
+import Crypto.Saltine.Core.Sign qualified as Sign
+
+
+newtype W a = W a
+              deriving stock Generic
+
+instance Serialise a => Serialise (W a)
+
+
+newtype X a = X a
+              deriving stock Generic
+
+instance Serialise a => Serialise (X a)
+
+newtype VersionedPubKey = VersionedPubKey { versionedPubKey :: ByteString }
+                          deriving stock (Show,Generic)
+
+data RefLogRequestVersioned e =
+  RefLogRequestVersioned
+  { refLogRequestVersioned :: VersionedPubKey
+  }
+  deriving stock (Show,Generic)
+
+instance Serialise VersionedPubKey
+
+instance Serialise (RefLogRequestVersioned e)
+
+testVersionedKeysHashes :: IO ()
+testVersionedKeysHashes = do
+
+  keypart <- fromBase58 "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP"
+               & orThrowUser "bad base58"
+               <&> LBS.fromStrict
+
+  pk <- fromStringMay @(PubKey 'Sign HBS2Basic) "BTThPdHKF8XnEq4m6wzbKHKA6geLFK4ydYhBXAqBdHSP"
+          & orThrowUser "key decode"
+
+  let pks = serialise pk
+
+  pks2 <- deserialiseOrFail @(PubKey 'Sign HBS2Basic) (pks <> "12345")
+           & orThrowUser "key decode error"
+
+  let rfk = serialise (RefLogKey @HBS2Basic pk)
+  let wrfk = serialise $ W (RefLogKey @HBS2Basic pk)
+  let xrfk = serialise $ X (RefLogKey @HBS2Basic pk)
+
+  print $ pretty (AsHexSparse keypart)
+  print $ pretty (AsHexSparse pks)
+  print $ pretty (AsHexSparse rfk)
+  print $ pretty (AsHexSparse wrfk)
+  print $ pretty (AsHexSparse xrfk)
+
+  let req1 = RefLogRequest @L4Proto pk
+
+  let req2 = RefLogRequestVersioned @L4Proto ( VersionedPubKey (LBS.toStrict keypart <> "AAA") )
+
+  print $ yellow "okay"
+
+  let req1s = serialise req1
+  let req2s = serialise req2
+
+  print $ pretty "---"
+
+  print $ pretty (AsHexSparse req1s)
+  print $ pretty (AsHexSparse req2s)
+
+  rq0 <- deserialiseOrFail @(RefLogRequestVersioned L4Proto) req1s
+           & orThrowUser "failed simple -> versioned"
+
+  rq1 <- deserialiseOrFail @(RefLogRequest L4Proto) req2s
+           & orThrowUser "failed versioned -> simple"
+
+  print $ viaShow rq0
+  print $ viaShow req1
+
+  print $ viaShow rq1
+
+  pure ()
+
+main :: IO ()
+main =
+  defaultMain $
+    testGroup "root"
+      [
+        testCase "testVersionedKeys" testVersionedKeysHashes
+      ]
+
+
+

hbs2-share/hbs2-share.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-share
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause

hbs2-storage-simple/hbs2-storage-simple.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hbs2-storage-simple
-version:            0.1.0.0
+version:            0.24.1.0
 -- synopsis:
 -- description:
 license:            BSD-3-Clause

hbs2-tests/hbs2-tests.cabal

@@ -947,47 +947,3 @@ executable test-playground
         , resourcet
         , text-icu >= 0.8.0.3
 
-
-executable  test-repo-export
-    import:           shared-properties
-    default-language: Haskell2010
-
-    -- other-extensions:
-
-    hs-source-dirs:   repo-export
-    main-is:          RepoExportMain.hs
-    build-depends:
-          base, hbs2-core, hbs2-peer, hbs2-git
-        , async
-        , bytestring
-        , cache
-        , containers
-        , directory
-        , exceptions
-        , hashable
-        , microlens-platform
-        , mtl
-        , prettyprinter
-        , random
-        , safe
-        , serialise
-        , stm
-        , streaming
-        , transformers
-        , uniplate
-        , vector
-        , simple-logger
-        , string-conversions
-        , filepath
-        , temporary
-        , unliftio
-        , unordered-containers
-        , timeit
-        , memory
-        , deepseq
-        , xxhash-ffi
-        , optparse-generic
-        , interpolatedstring-perl6
-
-
-