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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 Annex.Common
import Command
import Annex.Content
import Utility.CopyFile
import Utility.FileMode
command :: [Command]
command =
[ repoCommand "unlock" paramPaths seek "unlock files for modification"
, repoCommand "edit" paramPaths seek "same as unlock"
]
seek :: [CommandSeek]
seek = [withFilesInGit start]
{- The unlock subcommand replaces the symlink with a copy of the file's
- content. -}
start :: FilePath -> CommandStart
start file = isAnnexed file $ \(key, _) -> do
showStart "unlock" file
next $ perform file key
perform :: FilePath -> Key -> CommandPerform
perform dest key = do
unlessM (inAnnex key) $ error "content not present"
checkDiskSpace key
g <- gitRepo
let src = gitAnnexLocation g key
let tmpdest = gitAnnexTmpLocation g key
liftIO $ createDirectoryIfMissing True (parentDir tmpdest)
showAction "copying"
ok <- liftIO $ copyFileExternal src tmpdest
if ok
then do
liftIO $ do
removeFile dest
renameFile tmpdest dest
allowWrite dest
next $ return True
else error "copy failed!"
|
