cleanup

Git/CatFile.hs

@@ -25,12 +25,12 @@ import qualified Utility.CoProcess as CoProcess
 
 type CatFileHandle = CoProcess.CoProcessHandle
 
-{- Starts git cat-file running in batch mode in a repo and returns a handle. -}
 catFileStart :: Repo -> IO CatFileHandle
-catFileStart repo = CoProcess.start "git" $ toCommand $
-	gitCommandLine [Param "cat-file", Param "--batch"] repo
+catFileStart = CoProcess.start "git" . toCommand . gitCommandLine
+	[ Param "cat-file"
+	, Param "--batch"
+	]
 
-{- Stops git cat-file. -}
 catFileStop :: CatFileHandle -> IO ()
 catFileStop = CoProcess.stop
 

Git/CheckAttr.hs

@@ -18,13 +18,11 @@ type CheckAttrHandle = (CoProcess.CoProcessHandle, [Attr], String)
 type Attr = String
 
 {- Starts git check-attr running to look up the specified gitattributes
- - values and return a handle.  -}
+ - values and returns a handle.  -}
 checkAttrStart :: [Attr] -> Repo -> IO CheckAttrHandle
 checkAttrStart attrs repo = do
 	cwd <- getCurrentDirectory
-	h <- CoProcess.start "git" $ toCommand $
-		gitCommandLine params repo
-	CoProcess.query h fileEncoding fileEncoding
+	h <- CoProcess.start "git" $ toCommand $ gitCommandLine params repo
 	return (h, attrs, cwd)
 	where
 		params =
@@ -33,7 +31,6 @@ checkAttrStart attrs repo = do
 			] ++ map Param attrs ++
 			[ Param "--" ]
 
-{- Stops git check-attr. -}
 checkAttrStop :: CheckAttrHandle -> IO ()
 checkAttrStop (h, _, _) = CoProcess.stop h
 
@@ -46,8 +43,11 @@ checkAttr (h, attrs, cwd) want file = do
 		[v] -> return v
 		_ -> error $ "unable to determine " ++ want ++ " attribute of " ++ file
 	where
-		send to = hPutStr to $ file' ++ "\0"
+		send to = do
+			fileEncoding to
+			hPutStr to $ file' ++ "\0"
 		receive from = forM attrs $ \attr -> do
+			fileEncoding from
 			l <- hGetLine from
 			return (attr, attrvalue attr l)
 		{- Before git 1.7.7, git check-attr worked best with

Git/HashObject.hs

@@ -14,20 +14,13 @@ import qualified Utility.CoProcess as CoProcess
 
 type HashObjectHandle = CoProcess.CoProcessHandle
 
-{- Starts git hash-object and returns a handle.  -}
 hashObjectStart :: Repo -> IO HashObjectHandle
-hashObjectStart repo = do
-	h <- CoProcess.start "git" $ toCommand $ gitCommandLine params repo
-	CoProcess.query h fileEncoding (const $ return ())
-	return h
-	where
-		params =
-			[ Param "hash-object"
-			, Param "-w"
-			, Param "--stdin-paths"
-			]
+hashObjectStart = CoProcess.start "git" . toCommand . gitCommandLine
+	[ Param "hash-object"
+	, Param "-w"
+	, Param "--stdin-paths"
+	]
 
-{- Stops git hash-object. -}
 hashObjectStop :: HashObjectHandle -> IO ()
 hashObjectStop = CoProcess.stop
 
@@ -35,5 +28,7 @@ hashObjectStop = CoProcess.stop
 hashFile :: HashObjectHandle -> FilePath -> IO Sha
 hashFile h file = CoProcess.query h send receive
 	where
-		send to = hPutStrLn to file
+		send to = do
+			fileEncoding to
+			hPutStrLn to file
 		receive from = Ref <$> hGetLine from