cb9cf30c48
This improves performance to a small extent in several places. Sponsored-by: Tobias Ammann on Patreon
57 lines
1.5 KiB
Haskell
57 lines
1.5 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 AGPL version 3 or higher.
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-}
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module Command.Forget where
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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 Annex.VectorClock
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import Git.Types
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cmd :: Command
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cmd = command "forget" SectionMaintenance
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"prune git-annex branch history"
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paramNothing (seek <$$> optParser)
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data ForgetOptions = ForgetOptions
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{ dropDead :: Bool
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}
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optParser :: CmdParamsDesc -> Parser ForgetOptions
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optParser _ = ForgetOptions
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<$> switch
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( long "drop-dead"
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<> help "drop references to dead repositories"
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)
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seek :: ForgetOptions -> CommandSeek
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seek = commandAction . start
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start :: ForgetOptions -> CommandStart
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start o = starting "forget" ai si $ do
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c <- currentVectorClock
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let basets = addTransition c ForgetGitHistory noTransitions
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let ts = if dropDead o
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then addTransition c ForgetDeadRemotes basets
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else basets
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perform ts =<< Annex.getRead Annex.force
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where
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ai = ActionItemOther (Just (fromRef Branch.name))
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si = SeekInput []
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perform :: Transitions -> Bool -> CommandPerform
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perform ts True = do
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recordTransitions (Branch.change (Branch.RegardingUUID [])) 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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