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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.DropKey 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
import Messages
{- Drops cached content for a key. -}
start :: SubCmdStartString
start keyname = do
backends <- Backend.list
let key = genKey (backends !! 0) keyname
present <- inAnnex key
force <- Annex.flagIsSet "force"
if (not present)
then return Nothing
else if (not force)
then error "dropkey is can cause data loss; use --force if you're sure you want to do this"
else do
showStart "dropkey" keyname
return $ Just $ perform key
perform :: Key -> SubCmdPerform
perform key = do
g <- Annex.gitRepo
let loc = annexLocation g key
liftIO $ removeFile loc
return $ Just $ cleanup key
cleanup :: Key -> SubCmdCleanup
cleanup key = do
logStatus key ValueMissing
return True
|
