689d1fcc92
A few remain, as needed for upgrades, and for accessing objects from remotes that are direct mode repos that have not been converted yet.
110 lines
3.3 KiB
Haskell
110 lines
3.3 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2014 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE CPP #-}
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module Command.PreCommit where
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import Command
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import qualified Command.Add
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import qualified Command.Fix
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import qualified Command.Smudge
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import Annex.Hook
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import Annex.Link
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import Annex.View
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import Annex.Version
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import Annex.View.ViewedFile
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import Annex.LockFile
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import Logs.View
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import Logs.MetaData
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import Types.View
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import Types.MetaData
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import qualified Git.Index as Git
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import qualified Git.LsFiles as Git
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import qualified Data.Set as S
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import qualified Data.Text as T
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cmd :: Command
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cmd = command "pre-commit" SectionPlumbing
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"run by git pre-commit hook"
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paramPaths
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(withParams seek)
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seek :: CmdParams -> CommandSeek
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seek ps = lockPreCommitHook $ do
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ifM (not <$> versionSupportsUnlockedPointers <&&> liftIO Git.haveFalseIndex)
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( do
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(fs, cleanup) <- inRepo $ Git.typeChangedStaged ps
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whenM (anyM isOldUnlocked fs) $
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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."
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void $ liftIO cleanup
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, do
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l <- workTreeItems ps
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-- fix symlinks to files being committed
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flip withFilesToBeCommitted l $ \f -> commandAction $
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maybe stop (Command.Fix.start Command.Fix.FixSymlinks f)
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=<< isAnnexLink f
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ifM versionSupportsUnlockedPointers
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-- after a merge conflict or git
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-- cherry-pick or stash, pointer
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-- files in the worktree won't
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-- be populated, so populate them
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-- here
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( Command.Smudge.updateSmudged
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-- When there's a false index,
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-- restaging the files won't work.
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. Restage =<< liftIO Git.haveFalseIndex
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-- inject unlocked files into the annex
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-- (not needed when repo version uses
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-- unlocked pointer files)
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, withFilesOldUnlockedToBeCommitted (commandAction . startInjectUnlocked) l
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)
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)
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runAnnexHook preCommitAnnexHook
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-- committing changes to a view updates metadata
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mv <- currentView
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case mv of
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Nothing -> noop
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Just v -> withViewChanges
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(addViewMetaData v)
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(removeViewMetaData v)
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startInjectUnlocked :: FilePath -> CommandStart
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startInjectUnlocked f = startingCustomOutput (ActionItemOther Nothing) $ do
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unlessM (callCommandAction $ Command.Add.start f) $
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error $ "failed to add " ++ f ++ "; canceling commit"
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next $ return True
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addViewMetaData :: View -> ViewedFile -> Key -> CommandStart
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addViewMetaData v f k = starting "metadata" (mkActionItem (k, f)) $
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next $ changeMetaData k $ fromView v f
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removeViewMetaData :: View -> ViewedFile -> Key -> CommandStart
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removeViewMetaData v f k = starting "metadata" (mkActionItem (k, f)) $
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next $ changeMetaData k $ unsetMetaData $ fromView v f
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changeMetaData :: Key -> MetaData -> CommandCleanup
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changeMetaData k metadata = do
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showMetaDataChange metadata
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addMetaData k metadata
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return True
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showMetaDataChange :: MetaData -> Annex ()
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showMetaDataChange = showLongNote . unlines . concatMap showmeta . fromMetaData
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where
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showmeta (f, vs) = map (showmetavalue f) $ S.toList vs
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showmetavalue f v = T.unpack (fromMetaField f) <> showset v <> "=" <> decodeBS (fromMetaValue v)
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showset v
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| isSet v = "+"
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| otherwise = "-"
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{- Takes exclusive lock; blocks until available. -}
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lockPreCommitHook :: Annex a -> Annex a
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lockPreCommitHook = withExclusiveLock gitAnnexPreCommitLock
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