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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Unannex where
import Control.Monad.State (liftIO)
import System.Directory
import Command
import qualified Annex
import Utility
import Locations
import qualified Backend
import LocationLog
import Types
import Core
import qualified GitRepo as Git
import Messages
{- The unannex subcommand undoes an add. -}
start :: SubCmdStartString
start file = isAnnexed file $ \(key, backend) -> do
showStart "unannex" file
return $ Just $ perform file key backend
perform :: FilePath -> Key -> Backend -> SubCmdPerform
perform file key backend = do
-- force backend to always remove
Annex.flagChange "force" $ FlagBool True
ok <- Backend.removeKey backend key
if (ok)
then return $ Just $ cleanup file key
else return Nothing
cleanup :: FilePath -> Key -> SubCmdCleanup
cleanup file key = do
logStatus key ValueMissing
g <- Annex.gitRepo
let src = annexLocation g key
liftIO $ removeFile file
liftIO $ Git.run g ["rm", "--quiet", file]
-- git rm deletes empty directories; put them back
liftIO $ createDirectoryIfMissing True (parentDir file)
liftIO $ renameFile src file
return True
|
