cb375977a6
Including writing and parsing the metadata log files with bytestring-builder and attoparsec.
122 lines
3.6 KiB
Haskell
122 lines
3.6 KiB
Haskell
{- git-annex command
|
|
-
|
|
- Copyright 2010-2014 Joey Hess <id@joeyh.name>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
{-# LANGUAGE CPP #-}
|
|
|
|
module Command.PreCommit where
|
|
|
|
import Command
|
|
import Config
|
|
import qualified Command.Add
|
|
import qualified Command.Fix
|
|
import qualified Command.Smudge
|
|
import Annex.Direct
|
|
import Annex.Hook
|
|
import Annex.Link
|
|
import Annex.View
|
|
import Annex.Version
|
|
import Annex.View.ViewedFile
|
|
import Annex.LockFile
|
|
import Logs.View
|
|
import Logs.MetaData
|
|
import Types.View
|
|
import Types.MetaData
|
|
import qualified Git.Index as Git
|
|
import qualified Git.LsFiles as Git
|
|
|
|
import qualified Data.Set as S
|
|
import qualified Data.Text as T
|
|
|
|
cmd :: Command
|
|
cmd = command "pre-commit" SectionPlumbing
|
|
"run by git pre-commit hook"
|
|
paramPaths
|
|
(withParams seek)
|
|
|
|
seek :: CmdParams -> CommandSeek
|
|
seek ps = lockPreCommitHook $ ifM isDirect
|
|
( do
|
|
-- update direct mode mappings for committed files
|
|
withWords (commandAction . startDirect) ps
|
|
runAnnexHook preCommitAnnexHook
|
|
, do
|
|
ifM (not <$> versionSupportsUnlockedPointers <&&> liftIO Git.haveFalseIndex)
|
|
( do
|
|
(fs, cleanup) <- inRepo $ Git.typeChangedStaged ps
|
|
whenM (anyM isOldUnlocked fs) $
|
|
giveup "Cannot make a partial commit with unlocked annexed files. You should `git annex add` the files you want to commit, and then run git commit."
|
|
void $ liftIO cleanup
|
|
, do
|
|
l <- workTreeItems ps
|
|
-- fix symlinks to files being committed
|
|
flip withFilesToBeCommitted l $ \f -> commandAction $
|
|
maybe stop (Command.Fix.start Command.Fix.FixSymlinks f)
|
|
=<< isAnnexLink f
|
|
ifM versionSupportsUnlockedPointers
|
|
-- after a merge conflict or git
|
|
-- cherry-pick or stash, pointer
|
|
-- files in the worktree won't
|
|
-- be populated, so populate them
|
|
-- here
|
|
( Command.Smudge.updateSmudged
|
|
-- When there's a false index,
|
|
-- restaging the files won't work.
|
|
. Restage =<< liftIO Git.haveFalseIndex
|
|
-- inject unlocked files into the annex
|
|
-- (not needed when repo version uses
|
|
-- unlocked pointer files)
|
|
, withFilesOldUnlockedToBeCommitted (commandAction . startInjectUnlocked) l
|
|
)
|
|
)
|
|
runAnnexHook preCommitAnnexHook
|
|
-- committing changes to a view updates metadata
|
|
mv <- currentView
|
|
case mv of
|
|
Nothing -> noop
|
|
Just v -> withViewChanges
|
|
(addViewMetaData v)
|
|
(removeViewMetaData v)
|
|
)
|
|
|
|
|
|
startInjectUnlocked :: FilePath -> CommandStart
|
|
startInjectUnlocked 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 -> ViewedFile -> Key -> CommandStart
|
|
addViewMetaData v f k = do
|
|
showStart "metadata" f
|
|
next $ next $ changeMetaData k $ fromView v f
|
|
|
|
removeViewMetaData :: View -> ViewedFile -> 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 = T.unpack (fromMetaField f) <> showset v <> "=" <> decodeBS (fromMetaValue v)
|
|
showset v
|
|
| isSet v = "+"
|
|
| otherwise = "-"
|
|
|
|
{- Takes exclusive lock; blocks until available. -}
|
|
lockPreCommitHook :: Annex a -> Annex a
|
|
lockPreCommitHook = withExclusiveLock gitAnnexPreCommitLock
|