45 lines
956 B
Haskell
45 lines
956 B
Haskell
{- git-annex command
|
|
-
|
|
- Copyright 2010 Joey Hess <joey@kitenet.net>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Command.DropKey where
|
|
|
|
import Command
|
|
import qualified Annex
|
|
import qualified Backend
|
|
import LocationLog
|
|
import Types
|
|
import Core
|
|
import Messages
|
|
|
|
seek :: [SubCmdSeek]
|
|
seek = [withKeys start]
|
|
|
|
{- Drops cached content for a key. -}
|
|
start :: SubCmdStartString
|
|
start keyname = do
|
|
backends <- Backend.list
|
|
let key = genKey (head backends) 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
|
|
removeAnnex key
|
|
return $ Just $ cleanup key
|
|
|
|
cleanup :: Key -> SubCmdCleanup
|
|
cleanup key = do
|
|
logStatus key ValueMissing
|
|
return True
|
|
|