diff --git a/fixme-new/lib/Fixme/Run.hs b/fixme-new/lib/Fixme/Run.hs
index 4a351841..ee91e476 100644
--- a/fixme-new/lib/Fixme/Run.hs
+++ b/fixme-new/lib/Fixme/Run.hs
@@ -3,7 +3,7 @@
 module Fixme.Run where
 
 import Prelude hiding (init)
-import Fixme.Prelude
+import Fixme.Prelude hiding (indent)
 import Fixme.Types
 import Fixme.Scan.Git as Git
 
@@ -15,15 +15,18 @@ import Data.Config.Suckless
 import Data.Text.Fuzzy.Tokenize
 
 import Data.ByteString.Lazy.Char8 qualified as LBS8
+import Data.ByteString.Lazy (ByteString)
 import Data.Either
 import System.Environment
 import Data.Maybe
 import Data.HashSet qualified as HS
 import Data.HashMap.Strict qualified as HM
 import Data.Text qualified as Text
+import Data.Text.Encoding qualified as Text
 import Text.InterpolatedString.Perl6 (qc)
 import Data.Coerce
 import Control.Monad.Identity
+import Lens.Micro.Platform
 
 import Streaming.Prelude qualified as S
 
@@ -48,6 +51,11 @@ pattern FixmePrefix s <- ListVal [SymbolVal "fixme-prefix", fixmePrefix -> Just
 pattern FixmeGitScanFilterDays :: forall {c}. Integer -> Syntax c
 pattern FixmeGitScanFilterDays d <- ListVal [ SymbolVal "fixme-git-scan-filter-days", LitIntVal d ]
 
+pattern StringLike :: forall {c} . String -> Syntax c
+pattern StringLike e <- (stringLike -> Just e)
+
+
+
 data ScanGitArgs =
   PrintBlobs
   deriving stock (Eq,Ord,Show,Data,Generic)
@@ -55,6 +63,12 @@ data ScanGitArgs =
 scanGitArgs :: [Syntax c] -> [ScanGitArgs]
 scanGitArgs syn = [ PrintBlobs | SymbolVal "print-blobs" <- syn ]
 
+stringLike :: Syntax c -> Maybe String
+stringLike = \case
+  LitStrVal s -> Just $ Text.unpack s
+  SymbolVal (Id s) -> Just $ Text.unpack s
+  _ -> Nothing
+
 fileMasks :: [Syntax c] -> [FilePattern]
 fileMasks what = [ show (pretty s) | s <- what ]
 
@@ -151,14 +165,29 @@ scanGitLocal args p =  do
   co <- listCommits
 
   blobs <- mconcat <$> for co (\c -> do
+                          debug $ "commit" <+> pretty c
                           listBlobs c >>= filterBlobs )
 
   when (PrintBlobs `elem` args) do
     for_ blobs $ \(fp,h) -> do
       liftIO $ print $ pretty h <+> pretty fp
 
+
+exractFixme :: FixmePerks m => ByteString -> m [Fixme]
+exractFixme bs = do
+
+  let ls = LBS8.lines bs
+
+  pure mempty
+
+
+readUtf8 :: ByteString -> Text
+readUtf8 bs = LBS8.toStrict bs & Text.decodeUtf8
+
+
 readFixmeStdin :: FixmePerks m => FixmeM m ()
 readFixmeStdin = do
+  what <- liftIO LBS8.getContents <&> LBS8.lines
   pure ()
 
 printEnv :: FixmePerks m => FixmeM m ()
@@ -167,6 +196,11 @@ printEnv = do
   masks <- asks fixmeEnvFileMask >>= readTVarIO
   tags  <- asks fixmeEnvTags >>= readTVarIO
   days  <- asks fixmeEnvGitScanDays >>= readTVarIO
+  comments1 <- asks fixmeEnvDefComments >>= readTVarIO <&> HS.toList
+
+  comments2 <- asks fixmeEnvFileComments >>= readTVarIO
+                 <&> HM.toList
+                 <&> fmap  (over _2 HS.toList)
 
   for_ tags $ \m -> do
     liftIO $ print $ "fixme-prefix" <+> pretty m
@@ -177,6 +211,15 @@ printEnv = do
   for_ days $ \d -> do
     liftIO $ print $ "fixme-git-scan-filter-days" <+> pretty d
 
+  for_ comments1 $ \d -> do
+    liftIO $ print $ "fixme-comments" <+> dquotes (pretty d)
+
+  for_ comments2 $ \(ft, comm') -> do
+    for_ comm' $ \comm -> do
+      liftIO $ print $ "fixme-file-comments"
+                  <+> dquotes (pretty ft) <+> dquotes (pretty  comm)
+
+
 help :: FixmePerks m => m ()
 help = do
   notice "this is help  message"
@@ -219,6 +262,11 @@ run what = do
         t <- asks fixmeEnvGitScanDays
         atomically (writeTVar t (Just d))
 
+      ListVal [SymbolVal "fixme-file-comments", StringLike ft, StringLike b] -> do
+        let co = Text.pack b & HS.singleton
+        t <- asks fixmeEnvFileComments
+        atomically (modifyTVar t (HM.insertWith (<>) ft co))
+
       Init         -> init
 
       ScanGitLocal args -> scanGitLocal args Nothing
diff --git a/fixme-new/lib/Fixme/Types.hs b/fixme-new/lib/Fixme/Types.hs
index afcf71f6..cae08751 100644
--- a/fixme-new/lib/Fixme/Types.hs
+++ b/fixme-new/lib/Fixme/Types.hs
@@ -3,9 +3,14 @@ module Fixme.Types where
 import Fixme.Prelude
 
 import Data.HashMap.Strict (HashMap)
+import Data.HashMap.Strict qualified as HM
 import Data.HashSet (HashSet)
+import Data.HashSet qualified as HS
 import Data.Word (Word64)
+import Data.Maybe
 import Data.Coerce
+import System.FilePath
+
 
 data GitLocation =
   GitLocation
@@ -65,12 +70,25 @@ type FixmePerks m = ( MonadUnliftIO m
 
 data FixmeEnv =
   FixmeEnv
-  { fixmeEnvGitDir      :: Maybe FilePath
-  , fixmeEnvFileMask    :: TVar [FilePattern]
-  , fixmeEnvTags        :: TVar (HashSet FixmeTag)
-  , fixmeEnvGitScanDays :: TVar (Maybe Integer)
+  { fixmeEnvGitDir       :: Maybe FilePath
+  , fixmeEnvFileMask     :: TVar [FilePattern]
+  , fixmeEnvTags         :: TVar (HashSet FixmeTag)
+  , fixmeEnvDefComments  :: TVar (HashSet Text)
+  , fixmeEnvFileComments :: TVar (HashMap FilePath (HashSet Text))
+  , fixmeEnvGitScanDays  :: TVar (Maybe Integer)
   }
 
+
+fixmeGetCommentsFor :: FixmePerks m => FilePath -> FixmeM m [Text]
+fixmeGetCommentsFor fp = do
+  cof <- asks fixmeEnvFileComments >>= readTVarIO
+  def <- asks fixmeEnvDefComments >>= readTVarIO
+
+  let r = maybe mempty HS.toList (HM.lookup (commentKey fp) cof)
+           <> HS.toList def
+
+  pure r
+
 newtype FixmeM m a = FixmeM { fromFixmeM :: ReaderT FixmeEnv m a }
                      deriving newtype ( Applicative
                                       , Functor
@@ -85,6 +103,8 @@ runFixmeCLI m = do
   env <- FixmeEnv Nothing
             <$>  newTVarIO mempty
             <*>  newTVarIO mempty
+            <*>  newTVarIO mempty
+            <*>  newTVarIO defCommentMap
             <*>  newTVarIO Nothing
 
   runReaderT ( setupLogger >> fromFixmeM m ) env
@@ -119,3 +139,26 @@ instance Pretty FixmeTitle where
 instance Pretty FixmeTag where
   pretty = pretty . coerce @_ @Text
 
+
+
+defCommentMap :: HashMap FilePath (HashSet Text)
+defCommentMap = HM.fromList
+  [ comment ".cabal"   ["--"]
+  , comment ".hs"      ["--"]
+  , comment ".c"       ["//"]
+  , comment ".h"       ["//"]
+  , comment ".cc"      ["//"]
+  , comment ".cpp"     ["//"]
+  , comment ".cxx"     ["//"]
+  , comment "Makefile" ["#"]
+  ]
+  where
+    comment a b = (a, HS.fromList b)
+
+commentKey :: FilePath -> FilePath
+commentKey fp =
+  case takeExtension fp of
+    "" -> takeFileName fp
+    xs -> xs
+
+