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{- git-annex command
-
- Copyright 2010, 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.PreCommit where
import Common.Annex
import Command
import qualified Command.Add
import qualified Command.Fix
import qualified Git.DiffTree
import qualified Git.Ref
import Annex.CatFile
import Annex.Content.Direct
import Git.Sha
def :: [Command]
def = [command "pre-commit" paramPaths seek SectionPlumbing
"run by git pre-commit hook"]
seek :: [CommandSeek]
seek =
-- fix symlinks to files being committed
[ whenNotDirect $ withFilesToBeCommitted $ whenAnnexed $ Command.Fix.start
-- inject unlocked files into the annex
, whenNotDirect $ withFilesUnlockedToBeCommitted startIndirect
-- update direct mode mappings for committed files
, whenDirect $ withWords startDirect
]
startIndirect :: FilePath -> CommandStart
startIndirect file = next $ do
unlessM (doCommand $ Command.Add.start file) $
error $ "failed to add " ++ file ++ "; canceling commit"
next $ return True
startDirect :: [String] -> CommandStart
startDirect _ = next $ do
(diffs, clean) <- inRepo $ Git.DiffTree.diffIndex Git.Ref.headRef
forM_ diffs go
next $ liftIO clean
where
go diff = do
withkey (Git.DiffTree.srcsha diff) removeAssociatedFile
withkey (Git.DiffTree.dstsha diff) addAssociatedFile
where
withkey sha a = when (sha /= nullSha) $ do
k <- catKey sha
case k of
Nothing -> noop
Just key -> void $ a key (Git.DiffTree.file diff)
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