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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.Unlock where
import Control.Monad (when)
import Control.Monad.State (liftIO)
import System.Directory hiding (copyFile)
import Command
import qualified Annex
import qualified Backend
import Types
import Messages
import Locations
import Core
import CopyFile
command :: [Command]
command =
[ Command "unlock" paramPath seek "unlock files for modification"
, Command "edit" paramPath seek "same as unlock"
]
seek :: [CommandSeek]
seek = [withFilesInGit start]
{- The unlock subcommand replaces the symlink with a copy of the file's
- content. -}
start :: CommandStartString
start file = isAnnexed file $ \(key, _) -> do
showStart "unlock" file
return $ Just $ perform file key
perform :: FilePath -> Key -> CommandPerform
perform dest key = do
inbackend <- Backend.hasKey key
when (not inbackend) $
error "content not present"
g <- Annex.gitRepo
let src = annexLocation g key
liftIO $ removeFile dest
showNote "copying..."
ok <- liftIO $ copyFile src dest
if ok
then do
liftIO $ allowWrite dest
return $ Just $ return True
else error "copy failed!"
|
