git-annex/Command/Fsck.hs
2011-01-26 20:37:46 -04:00

36 lines
946 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
command :: [Command]
command = [Command "fsck" (paramOptional $ paramRepeating paramPath) seek
"check for problems"]
seek :: [CommandSeek]
seek = [withAttrFilesInGit "annex.numcopies" start]
{- Checks a file's backend data for problems. -}
start :: CommandStartAttrFile
start (file, attr) = isAnnexed file $ \(key, backend) -> do
showStart "fsck" file
return $ Just $ perform key file backend numcopies
where
numcopies = readMaybe attr :: Maybe Int
perform :: Key -> FilePath -> Backend Annex -> Maybe Int -> CommandPerform
perform key file backend numcopies = do
success <- Backend.fsckKey backend key (Just file) numcopies
if success
then return $ Just $ return True
else return Nothing