git-annex/Git/HashObject.hs
2012-02-21 00:16:24 -04:00

34 lines
842 B
Haskell

{- 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
hashObjectStart :: Repo -> IO HashObjectHandle
hashObjectStart = CoProcess.start "git" . toCommand . gitCommandLine
[ Param "hash-object"
, Param "-w"
, Param "--stdin-paths"
]
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 = do
fileEncoding to
hPutStrLn to file
receive from = Ref <$> hGetLine from