bdec7fed9c
Adds a dependency on filepath-bytestring, an as yet unreleased fork of filepath that operates on RawFilePath. Git.Repo also changed to use RawFilePath for the path to the repo. This does eliminate some RawFilePath -> FilePath -> RawFilePath conversions. And filepath-bytestring's </> is probably faster. But I don't expect a major performance improvement from this. This is mostly groundwork for making Annex.Location use RawFilePath, which will allow for a conversion-free pipleline.
87 lines
2.4 KiB
Haskell
87 lines
2.4 KiB
Haskell
{- git-annex upgrade support
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-
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- Copyright 2010-2019 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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{-# LANGUAGE CPP #-}
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module Upgrade where
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import Annex.Common
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import qualified Annex
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import qualified Git
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import Annex.Version
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import Types.RepoVersion
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#ifndef mingw32_HOST_OS
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import qualified Upgrade.V0
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import qualified Upgrade.V1
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#endif
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import qualified Upgrade.V2
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import qualified Upgrade.V3
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import qualified Upgrade.V4
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import qualified Upgrade.V5
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import qualified Upgrade.V6
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import qualified Data.Map as M
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checkUpgrade :: RepoVersion -> Annex ()
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checkUpgrade = maybe noop giveup <=< needsUpgrade
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needsUpgrade :: RepoVersion -> Annex (Maybe String)
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needsUpgrade v
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| v `elem` supportedVersions = ok
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| otherwise = case M.lookup v autoUpgradeableVersions of
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Nothing
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| v `elem` upgradableVersions ->
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err "Upgrade this repository: git-annex upgrade"
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| otherwise ->
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err "Upgrade git-annex."
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Just newv -> ifM (annexAutoUpgradeRepository <$> Annex.getGitConfig)
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( tryNonAsync (upgrade True newv) >>= \case
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Right True -> ok
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Right False -> err "Automatic upgrade failed!"
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Left ex -> err $ "Automatic upgrade exception! " ++ show ex
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, err "Automatic upgrade is disabled by annex.autoupgraderepository configuration. To upgrade this repository: git-annex upgrade"
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)
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where
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err msg = do
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g <- Annex.gitRepo
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p <- liftIO $ absPath $ fromRawFilePath $ Git.repoPath g
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return $ Just $ unwords
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[ "Repository", p
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, "is at unsupported version"
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, show (fromRepoVersion v) ++ "."
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, msg
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]
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ok = return Nothing
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upgrade :: Bool -> RepoVersion -> Annex Bool
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upgrade automatic destversion = do
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upgraded <- go =<< getVersion
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when upgraded $
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setVersion destversion
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return upgraded
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where
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go (Just v)
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| v >= destversion = return True
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| otherwise = ifM (up v)
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( go (Just (RepoVersion (fromRepoVersion v + 1)))
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, return False
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)
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go _ = return True
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#ifndef mingw32_HOST_OS
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up (RepoVersion 0) = Upgrade.V0.upgrade
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up (RepoVersion 1) = Upgrade.V1.upgrade
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#else
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up (RepoVersion 0) = giveup "upgrade from v0 on Windows not supported"
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up (RepoVersion 1) = giveup "upgrade from v1 on Windows not supported"
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#endif
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up (RepoVersion 2) = Upgrade.V2.upgrade
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up (RepoVersion 3) = Upgrade.V3.upgrade automatic
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up (RepoVersion 4) = Upgrade.V4.upgrade automatic
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up (RepoVersion 5) = Upgrade.V5.upgrade automatic
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up (RepoVersion 6) = Upgrade.V6.upgrade automatic
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up _ = return True
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