2b014f1a8b
init: Avoid scanning for annexed files, which can be lengthy in a
large repository. Instead that scan is done on demand. This lets git-annex
init be run and some query commands be used in a repository without
waiting.
Note that autoinit already behaved this way, so while this will mean some
commands like git-annex get/unlock/add will do the scan the first time run,
that is not really a significant behavior change.
And, it's really better to have a consistent behavior. The reason for
the inconsistency was a strange bug discussed in
b3c4579c79. Avoiding reconcileStaged in
init will keep avoiding whatever that was.
Sponsored-by: Dartmouth College's DANDI project
88 lines
2.4 KiB
Haskell
88 lines
2.4 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2020 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.Init where
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import Command
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import Annex.Init
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import Annex.Version
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import Types.RepoVersion
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import qualified Annex.SpecialRemote
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import Control.Monad.Fail as Fail (MonadFail(..))
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import qualified Data.Map as M
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cmd :: Command
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cmd = dontCheck repoExists $
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command "init" SectionSetup "initialize git-annex"
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paramDesc (seek <$$> optParser)
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data InitOptions = InitOptions
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{ initDesc :: String
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, initVersion :: Maybe RepoVersion
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, autoEnableOnly :: Bool
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, noAutoEnable :: Bool
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}
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optParser :: CmdParamsDesc -> Parser InitOptions
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optParser desc = InitOptions
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<$> (unwords <$> cmdParams desc)
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<*> optional (option (str >>= parseRepoVersion)
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( long "version" <> metavar paramValue
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<> help "Override default annex.version"
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))
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<*> switch
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( long "autoenable"
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<> help "only enable special remotes configured with autoenable=true"
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)
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<*> switch
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( long "no-autoenable"
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<> help "do not enable special remotes configured with autoenable=true"
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)
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parseRepoVersion :: MonadFail m => String -> m RepoVersion
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parseRepoVersion s = case RepoVersion <$> readish s of
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Nothing -> Fail.fail $ "version parse error"
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Just v
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| v `elem` supportedVersions -> return v
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| otherwise -> case M.lookup v autoUpgradeableVersions of
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Just v' -> return v'
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Nothing -> Fail.fail $ s ++ " is not a currently supported repository version"
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seek :: InitOptions -> CommandSeek
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seek = commandAction . start
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start :: InitOptions -> CommandStart
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start os
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| autoEnableOnly os =
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starting "init" (ActionItemOther (Just "autoenable")) si $
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performAutoEnableOnly
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| otherwise =
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starting "init" (ActionItemOther (Just $ initDesc os)) si $
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perform os
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where
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si = SeekInput []
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perform :: InitOptions -> CommandPerform
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perform os = do
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case initVersion os of
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Nothing -> noop
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Just wantversion -> getVersion >>= \case
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Just v | v /= wantversion ->
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giveup $ "This repository is already a initialized with version " ++ show (fromRepoVersion v) ++ ", not changing to requested version."
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_ -> noop
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initialize
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(if null (initDesc os) then Nothing else Just (initDesc os))
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(initVersion os)
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unless (noAutoEnable os)
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Annex.SpecialRemote.autoEnable
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next $ return True
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performAutoEnableOnly :: CommandPerform
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performAutoEnableOnly = do
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Annex.SpecialRemote.autoEnable
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next $ return True
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