git-annex/Command/FromKey.hs
Joey Hess 4e9be0d1f8 refactoring and cleanup
No code changes.
2011-10-30 00:28:22 -04:00

43 lines
1,000 B
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.FromKey where
import Common.Annex
import Command
import qualified Annex.Queue
import Annex.Content
import Types.Key
import Config
def :: [Command]
def = [command "fromkey" paramPath seek "adds a file using a specific key"]
seek :: [CommandSeek]
seek = [withFilesMissing start]
start :: FilePath -> CommandStart
start file = notBareRepo $ do
key <- cmdlineKey
inbackend <- inAnnex key
unless inbackend $ error $
"key ("++keyName key++") is not present in backend"
showStart "fromkey" file
next $ perform file
perform :: FilePath -> CommandPerform
perform file = do
key <- cmdlineKey
link <- calcGitLink file key
liftIO $ createDirectoryIfMissing True (parentDir file)
liftIO $ createSymbolicLink link file
next $ cleanup file
cleanup :: FilePath -> CommandCleanup
cleanup file = do
Annex.Queue.add "add" [Param "--"] [file]
return True