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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 Common.Annex
import Command
import Annex.Content
import Utility.CopyFile
import Utility.FileMode
def :: [Command]
def =
[ c "unlock" "unlock files for modification"
, c "edit" "same as unlock"
]
where
c n = command n paramPaths seek
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
src <- fromRepo $ gitAnnexLocation key
tmpdest <- fromRepo $ gitAnnexTmpLocation 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!"
|
