git-annex/Command/Unlock.hs
Joey Hess eaa49ab53d
convert replaceFile to createDirectoryUnder
Since it was used on both worktree and .git/annex files, split into
multiple functions.

In passing, this also improves permissions of created directories in
.git/annex, using createAnnexDirectory on those.
2020-03-06 11:31:01 -04:00

58 lines
1.6 KiB
Haskell

{- git-annex command
-
- Copyright 2010-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.Unlock where
import Command
import Annex.Content
import Annex.Perms
import Annex.Link
import Annex.ReplaceFile
import Git.FilePath
import qualified Database.Keys
import qualified Utility.RawFilePath as R
cmd :: Command
cmd = mkcmd "unlock" "unlock files for modification"
editcmd :: Command
editcmd = mkcmd "edit" "same as unlock"
mkcmd :: String -> String -> Command
mkcmd n d = withGlobalOptions [jsonOptions, annexedMatchingOptions] $
command n SectionCommon d paramPaths (withParams seek)
seek :: CmdParams -> CommandSeek
seek ps = withFilesInGit (commandAction . whenAnnexed start) =<< workTreeItems ps
start :: RawFilePath -> Key -> CommandStart
start file key = ifM (isJust <$> isAnnexLink file)
( starting "unlock" (mkActionItem (key, AssociatedFile (Just file))) $
perform file key
, stop
)
perform :: RawFilePath -> Key -> CommandPerform
perform dest key = do
destmode <- liftIO $ catchMaybeIO $ fileMode <$> R.getFileStatus dest
replaceWorkTreeFile (fromRawFilePath dest) $ \tmp ->
ifM (inAnnex key)
( do
r <- linkFromAnnex key tmp destmode
case r of
LinkAnnexOk -> return ()
LinkAnnexNoop -> return ()
LinkAnnexFailed -> error "unlock failed"
, liftIO $ writePointerFile (toRawFilePath tmp) key destmode
)
next $ cleanup dest key destmode
cleanup :: RawFilePath -> Key -> Maybe FileMode -> CommandCleanup
cleanup dest key destmode = do
stagePointerFile dest destmode =<< hashPointerFile key
Database.Keys.addAssociatedFile key =<< inRepo (toTopFilePath dest)
return True