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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.PreCommit where
import Control.Monad.State (liftIO)
import Command
import qualified Annex
import qualified Backend
import qualified GitRepo as Git
import qualified Command.Add
import qualified Command.Fix
{- The pre-commit hook needs to fix symlinks to all files being committed.
- And, it needs to inject unlocked files into the annex. -}
seek :: [SubCmdSeek]
seek = [withFilesToBeCommitted Command.Fix.start,
withUnlockedFilesToBeCommitted start]
start :: SubCmdStartString
start file = return $ Just $ perform file
perform :: FilePath -> SubCmdPerform
perform file = do
pairs <- Backend.chooseBackends [file]
ok <- doSubCmd $ Command.Add.start $ pairs !! 0
if ok
then return $ Just $ cleanup file
else error $ "failed to add " ++ file ++ "; canceling commit"
cleanup :: FilePath -> SubCmdCleanup
cleanup file = do
-- git commit will have staged the file's content;
-- drop that and run command queued by Add.state to
-- stage the symlink
g <- Annex.gitRepo
liftIO $ Git.run g ["reset", "-q", "--", file]
Annex.queueRun
return True
|
