45 lines
1.2 KiB
Haskell
45 lines
1.2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010 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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module Command.PreCommit where
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import Control.Monad.State (liftIO)
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import Command
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import qualified Annex
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import qualified GitRepo as Git
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import qualified Command.Add
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import qualified Command.Fix
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command :: [Command]
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command = [Command "pre-commit" paramPath seek "run by git pre-commit hook"]
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{- The pre-commit hook needs to fix symlinks to all files being committed.
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- And, it needs to inject unlocked files into the annex. -}
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seek :: [CommandSeek]
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seek = [withFilesToBeCommitted Command.Fix.start,
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withFilesUnlockedToBeCommitted start]
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start :: CommandStartBackendFile
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start pair = return $ Just $ perform pair
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perform :: BackendFile -> CommandPerform
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perform pair@(file, _) = do
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ok <- doCommand $ Command.Add.start pair
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if ok
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then return $ Just $ cleanup file
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else error $ "failed to add " ++ file ++ "; canceling commit"
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cleanup :: FilePath -> CommandCleanup
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cleanup file = do
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-- git commit will have staged the file's content;
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-- drop that and run command queued by Add.state to
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-- stage the symlink
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g <- Annex.gitRepo
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liftIO $ Git.run g ["reset", "-q", "--", file]
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Annex.queueRun
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return True
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