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{- git-annex command
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Forget where
import Common.Annex
import Command
import qualified Annex.Branch as Branch
import Logs.Transitions
import qualified Annex
import qualified Option
import Data.Time.Clock.POSIX
def :: [Command]
def = [withOptions forgetOptions $ command "forget" paramNothing seek
SectionMaintenance "prune git-annex branch history"]
forgetOptions :: [Option]
forgetOptions = [dropDeadOption]
dropDeadOption :: Option
dropDeadOption = Option.flag [] "drop-dead" "drop references to dead repositories"
seek :: [CommandSeek]
seek = [withFlag dropDeadOption $ \dropdead ->
withNothing $ start dropdead]
start :: Bool -> CommandStart
start dropdead = do
showStart "forget" "git-annex"
now <- liftIO getPOSIXTime
let basets = addTransition now ForgetGitHistory noTransitions
let ts = if dropdead
then addTransition now ForgetDeadRemotes basets
else basets
next $ perform ts =<< Annex.getState Annex.force
perform :: Transitions -> Bool -> CommandPerform
perform ts True = do
recordTransitions Branch.change ts
-- get branch committed before contining with the transition
Branch.update
void $ Branch.performTransitions ts True []
next $ return True
perform _ False = do
showLongNote "To forget git-annex branch history, you must specify --force. This deletes metadata!"
stop
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