git-annex/Command/Fix.hs
2011-12-31 04:11:58 -04:00

40 lines
1 KiB
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Fix where
import Common.Annex
import Command
import qualified Annex.Queue
import Annex.Content
def :: [Command]
def = [command "fix" paramPaths seek
"fix up symlinks to point to annexed content"]
seek :: [CommandSeek]
seek = [withFilesInGit $ whenAnnexed start]
{- Fixes the symlink to an annexed file. -}
start :: FilePath -> (Key, Backend) -> CommandStart
start file (key, _) = do
link <- calcGitLink file key
stopUnless ((/=) link <$> liftIO (readSymbolicLink file)) $ do
showStart "fix" file
next $ perform file link
perform :: FilePath -> FilePath -> CommandPerform
perform file link = do
liftIO $ createDirectoryIfMissing True (parentDir file)
liftIO $ removeFile file
liftIO $ createSymbolicLink link file
next $ cleanup file
cleanup :: FilePath -> CommandCleanup
cleanup file = do
Annex.Queue.add "add" [Param "--force", Param "--"] [file]
return True