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