From 43b4af607ea0233c8509918263d5ff85ae4a6999 Mon Sep 17 00:00:00 2001
From: Dmitry Zuikov <dzuikov@gmail.com>
Date: Fri, 6 Oct 2023 13:44:47 +0300
Subject: [PATCH] fixing git clone

---
 hbs2-git/lib/HBS2Git/Config.hs | 17 +++++++++--
 hbs2-git/lib/HBS2Git/Evolve.hs | 53 ++++++++++++++++++++--------------
 2 files changed, 46 insertions(+), 24 deletions(-)

diff --git a/hbs2-git/lib/HBS2Git/Config.hs b/hbs2-git/lib/HBS2Git/Config.hs
index 151504d5..948f6a94 100644
--- a/hbs2-git/lib/HBS2Git/Config.hs
+++ b/hbs2-git/lib/HBS2Git/Config.hs
@@ -11,10 +11,15 @@ import Data.Config.Suckless
 
 import HBS2Git.Types
 
+import Control.Applicative
+
 import Data.Functor
 import System.FilePath
 import System.Directory
 
+import System.Environment
+import System.IO (stderr)
+
 -- type C = MegaParsec
 
 appName :: FilePath
@@ -47,8 +52,14 @@ configPathOld pwd = liftIO do
 
 configPath :: MonadIO m => FilePath -> m FilePath
 configPath _ = liftIO do
-  here   <- liftIO getCurrentDirectory
-  (findGitDir here <&> fmap ((</> ".hbs2") . takeDirectory)) `orDie` "*** hbs2-git: .git directory not found"
+  env <- liftIO getEnvironment
+  -- hPrint stderr $ pretty env
+  pwd <- liftIO getCurrentDirectory
+  git <- findGitDir pwd
+  byEnv <- lookupEnv "GIT_DIR"
+  path <- pure (git <|> byEnv) `orDie`  "*** hbs2-git: .git directory not found"
+  debug $ "AAAAA " <+> pretty path
+  pure (takeDirectory path </> ".hbs2")
 
 data ConfigPathInfo = ConfigPathInfo {
   configRepoParentDir :: FilePath,
@@ -61,7 +72,7 @@ getConfigPathInfo :: MonadIO m => m ConfigPathInfo
 getConfigPathInfo = do
   trace "getConfigPathInfo"
   gitDir <- findWorkingGitDir
-  let pwd = takeDirectory gitDir
+  pwd <- configPath "" <&> takeDirectory
   confP <- configPath pwd
   let confFile = confP </> "config"
   trace $ "git dir" <+> pretty gitDir
diff --git a/hbs2-git/lib/HBS2Git/Evolve.hs b/hbs2-git/lib/HBS2Git/Evolve.hs
index 4dce1832..f910aa39 100644
--- a/hbs2-git/lib/HBS2Git/Evolve.hs
+++ b/hbs2-git/lib/HBS2Git/Evolve.hs
@@ -4,6 +4,7 @@ import HBS2.Prelude.Plated
 import HBS2.System.Logger.Simple
 import HBS2.OrDie
 
+import HBS2Git.Types
 import HBS2.Git.Types
 import HBS2Git.Config
 import HBS2Git.PrettyStuff
@@ -22,14 +23,20 @@ import UnliftIO
 --   например, переносит конфиг
 
 evolve :: MonadIO m => m ()
-evolve = do
-  trace "DO EVOLVE"
+evolve = void $ runMaybeT do
+  trace "DO EVOLVE MAZAFAKA!"
+
+  here   <- liftIO getCurrentDirectory
+
+  debug $ "evolve: current directory:" <+> pretty here
+
+  cfg <- configPath ""
+
+  debug $ "*** GIT DIRECTORY" <+> pretty cfg
 
   migrateConfig
   generateCookie
 
-  pure ()
-
 
 generateCookie :: MonadIO m => m ()
 generateCookie = void $ runMaybeT do
@@ -48,14 +55,12 @@ generateCookie = void $ runMaybeT do
 migrateConfig :: MonadIO m => m ()
 migrateConfig = void $ runMaybeT do
   here   <- liftIO getCurrentDirectory
-  rootDir <- (findGitDir here <&> fmap takeDirectory) `orDie` "*** hbs2-git: working directory not found"
+
+  rootDir <- configPath "" <&> takeDirectory
 
   oldPath <- configPathOld here
   let oldConf = oldPath </> "config"
 
-  guard =<< liftIO (doesDirectoryExist oldPath)
-  guard =<< liftIO (doesFileExist oldConf)
-
   let newConfDir = rootDir </> ".hbs2"
   let newConfFile = newConfDir </> "config"
 
@@ -70,22 +75,28 @@ migrateConfig = void $ runMaybeT do
   liftIO do
     hPutDoc stderr $ red "evolve: creating new config" <+> pretty newConfFile <> line
     createDirectoryIfMissing True newConfDir
-    hPutDoc stderr $ red "evolve: moving config to" <+> pretty newConfFile <> line
-    liftIO $ renameFile oldConf newConfFile
 
-    anything <- liftIO $ listDirectory oldPath
+    appendFile newConfFile ""
 
-    if List.null anything then do
-      hPutDoc stderr $ red "evolve: removing"
-                        <+> pretty oldPath <> line
+    oldHere <- doesFileExist oldConf
 
-      removeDirectory oldPath
-    else do
-      hPutDoc stderr $ red "evolve: not empty" <+> pretty oldPath <> line
+    when oldHere do
+      hPutDoc stderr $ red "evolve: moving config to" <+> pretty newConfFile <> line
+      liftIO $ renameFile oldConf newConfFile
 
-      hPutDoc stderr $ yellow "evolve: remove"
-                          <+> pretty oldPath
-                          <+> yellow "on your own"
-                          <> line
+      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