git-annex/Command/Fsck.hs
2010-11-28 18:55:49 -04:00

32 lines
794 B
Haskell

{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Fsck where
import Command
import qualified Backend
import Types
import Messages
import Utility
seek :: [SubCmdSeek]
seek = [withAll (withAttrFilesInGit "annex.numcopies") start]
{- Checks a file's backend data for problems. -}
start :: SubCmdStartAttrFile
start (file, attr) = isAnnexed file $ \(key, backend) -> do
showStart "fsck" file
return $ Just $ perform key backend numcopies
where
numcopies = readMaybe attr :: Maybe Int
perform :: Key -> Backend -> Maybe Int -> SubCmdPerform
perform key backend numcopies = do
success <- Backend.fsckKey backend key numcopies
if success
then return $ Just $ return True
else return Nothing