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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.Fsck where

import Command
import qualified Backend
import Types
import Messages
import Utility

seek :: [SubCmdSeek]
seek = [withAll (withAttrFilesInGit "git-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