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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.Drop where
import Control.Monad.State (liftIO)
import System.Directory
import Command
import qualified Annex
import Locations
import qualified Backend
import LocationLog
import Types
import Core
{- Indicates a file's content is not wanted anymore, and should be removed
- if it's safe to do so. -}
start :: SubCmdStartString
start file = isAnnexed file $ \(key, backend) -> do
inbackend <- Backend.hasKey key
if (not inbackend)
then return Nothing
else do
showStart "drop" file
return $ Just $ perform key backend
perform :: Key -> Backend -> SubCmdPerform
perform key backend = do
success <- Backend.removeKey backend key
if (success)
then return $ Just $ cleanup key
else return Nothing
cleanup :: Key -> SubCmdCleanup
cleanup key = do
logStatus key ValueMissing
inannex <- inAnnex key
if (inannex)
then do
g <- Annex.gitRepo
let loc = annexLocation g key
liftIO $ removeFile loc
return True
else return True
|
