git-annex/Command/DropKey.hs

{- git-annex command
 -
 - Copyright 2010 Joey Hess <joey@kitenet.net>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

module Command.DropKey where

import Common.Annex
import Command
import qualified Annex
import Logs.Location
import Annex.Content
import Types.Key

def :: [Command]
def = [noCommit $ command "dropkey" (paramRepeating paramKey) seek
	SectionPlumbing "drops annexed content for specified keys"] 

seek :: [CommandSeek]
seek = [withKeys start]

start :: Key -> CommandStart
start key = stopUnless (inAnnex key) $ do
	unlessM (Annex.getState Annex.force) $
		error "dropkey can cause data loss; use --force if you're sure you want to do this"
	showStart "dropkey" (key2file key)
	next $ perform key

perform :: Key -> CommandPerform
perform key = lockContent key $ do
	removeAnnex key
	next $ cleanup key

cleanup :: Key -> CommandCleanup
cleanup key = do
	logStatus key InfoMissing
	return True