54 lines
1.3 KiB
Haskell
Executable file
54 lines
1.3 KiB
Haskell
Executable file
{- git hash-object interface
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-
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- Copyright 2011-2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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{-# LANGUAGE CPP #-}
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module Git.HashObject where
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import Common
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import Git
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import Git.Sha
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import Git.Command
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import Git.Types
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import qualified Utility.CoProcess as CoProcess
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type HashObjectHandle = CoProcess.CoProcessHandle
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hashObjectStart :: Repo -> IO HashObjectHandle
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hashObjectStart = gitCoProcessStart
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[ Param "hash-object"
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, Param "-w"
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, Param "--stdin-paths"
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]
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hashObjectStop :: HashObjectHandle -> IO ()
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hashObjectStop = CoProcess.stop
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{- Injects a file into git, returning the Sha of the object. -}
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hashFile :: HashObjectHandle -> FilePath -> IO Sha
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hashFile h file = CoProcess.query h send receive
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where
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send to = do
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fileEncoding to
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#ifdef __WINDOWS__
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hSetNewlineMode to noNewlineTranslation
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#endif
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hPutStrLn to file
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receive from = getSha "hash-object" $ do
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#ifdef __WINDOWS__
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hSetNewlineMode from noNewlineTranslation
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#endif
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hGetLine from
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{- Injects some content into git, returning its Sha. -}
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hashObject :: ObjectType -> String -> Repo -> IO Sha
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hashObject objtype content repo = getSha subcmd $ do
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s <- pipeWriteRead (map Param params) content repo
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return s
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where
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subcmd = "hash-object"
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params = [subcmd, "-t", show objtype, "-w", "--stdin"]
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