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|
{- git-annex command
-
- Copyright 2010-2014 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.PreCommit where
import Common.Annex
import Command
import Config
import qualified Command.Add
import qualified Command.Fix
import Annex.Direct
import Annex.View
import Logs.View
import Logs.MetaData
import Types.View
import Types.MetaData
import qualified Data.Set as S
def :: [Command]
def = [command "pre-commit" paramPaths seek SectionPlumbing
"run by git pre-commit hook"]
seek :: CommandSeek
seek ps = ifM isDirect
-- update direct mode mappings for committed files
( withWords startDirect ps
, do
-- fix symlinks to files being committed
withFilesToBeCommitted (whenAnnexed Command.Fix.start) ps
-- inject unlocked files into the annex
withFilesUnlockedToBeCommitted startIndirect ps
-- committing changes to a view updates metadata
mv <- currentView
case mv of
Nothing -> noop
Just v -> withViewChanges
(addViewMetaData v)
(removeViewMetaData v)
)
startIndirect :: FilePath -> CommandStart
startIndirect f = next $ do
unlessM (callCommandAction $ Command.Add.start f) $
error $ "failed to add " ++ f ++ "; canceling commit"
next $ return True
startDirect :: [String] -> CommandStart
startDirect _ = next $ next $ preCommitDirect
addViewMetaData :: View -> FileView -> Key -> CommandStart
addViewMetaData v f k = do
showStart "metadata" f
next $ next $ changeMetaData k $ fromView v f
removeViewMetaData :: View -> FileView -> Key -> CommandStart
removeViewMetaData v f k = do
showStart "metadata" f
next $ next $ changeMetaData k $ unsetMetaData $ fromView v f
changeMetaData :: Key -> MetaData -> CommandCleanup
changeMetaData k metadata = do
showMetaDataChange metadata
addMetaData k metadata
return True
showMetaDataChange :: MetaData -> Annex ()
showMetaDataChange = showLongNote . unlines . concatMap showmeta . fromMetaData
where
showmeta (f, vs) = map (showmetavalue f) $ S.toList vs
showmetavalue f v = fromMetaField f ++ showset v ++ "=" ++ fromMetaValue v
showset v
| isSet v = "+"
| otherwise = "-"
|
