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{- git-annex command
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.Forget where
import Command
import qualified Annex.Branch as Branch
import Logs.Transitions
import qualified Annex
import Annex.VectorClock
import Git.Types
cmd :: Command
cmd = command "forget" SectionMaintenance
"prune git-annex branch history"
paramNothing (seek <$$> optParser)
data ForgetOptions = ForgetOptions
{ dropDead :: Bool
}
optParser :: CmdParamsDesc -> Parser ForgetOptions
optParser _ = ForgetOptions
<$> switch
( long "drop-dead"
<> help "drop references to dead repositories"
)
seek :: ForgetOptions -> CommandSeek
seek = commandAction . start
start :: ForgetOptions -> CommandStart
start o = starting "forget" ai si $ do
c <- currentVectorClock
let basets = addTransition c ForgetGitHistory noTransitions
let ts = if dropDead o
then addTransition c ForgetDeadRemotes basets
else basets
perform ts =<< Annex.getRead Annex.force
where
ai = ActionItemOther (Just (fromRef Branch.name))
si = SeekInput []
perform :: Transitions -> Bool -> CommandPerform
perform ts True = do
recordTransitions (Branch.change (Branch.RegardingUUID [])) 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
|
