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{- git hash-object interface
-
- Copyright 2011-2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Git.HashObject where
import Common
import Git
import Git.Command
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"
]
{- Stops git hash-object. -}
hashObjectStop :: HashObjectHandle -> IO ()
hashObjectStop = CoProcess.stop
{- Injects a file into git, returning the shas of the objects. -}
hashFile :: HashObjectHandle -> FilePath -> IO Sha
hashFile h file = CoProcess.query h send receive
where
send to = hPutStrLn to file
receive from = Ref <$> hGetLine from
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