git-annex/Annex/Version.hs
Joey Hess 865d556103
fix init in cripped filesystem version issues
* init: When a crippled filesystem causes an adjusted unlocked branch to
  be used, set repo version to 7, which it neglected to do before.
* init: When on a crippled filesystem, and the git version is too old
  to use an adjusted unlocked branch, fall back to using direct mode.

This commit was sponsored by Ilya Shlyakhter on Patreon.
2018-12-03 12:57:23 -04:00

76 lines
1.8 KiB
Haskell

{- git-annex repository versioning
-
- Copyright 2010-2018 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Annex.Version where
import Annex.Common
import Config
import Types.RepoVersion
import qualified Annex
import qualified Data.Map as M
defaultVersion :: RepoVersion
defaultVersion = RepoVersion 5
latestVersion :: RepoVersion
latestVersion = RepoVersion 7
supportedVersions :: [RepoVersion]
supportedVersions = map RepoVersion [5, 7]
versionForAdjustedClone :: RepoVersion
versionForAdjustedClone = RepoVersion 7
versionForCrippledFilesystem :: RepoVersion
versionForCrippledFilesystem = RepoVersion 7
upgradableVersions :: [RepoVersion]
#ifndef mingw32_HOST_OS
upgradableVersions = map RepoVersion [0..6]
#else
upgradableVersions = map RepoVersion [2..6]
#endif
autoUpgradeableVersions :: M.Map RepoVersion RepoVersion
autoUpgradeableVersions = M.fromList
[ (RepoVersion 3, RepoVersion 5)
, (RepoVersion 4, RepoVersion 5)
, (RepoVersion 6, RepoVersion 7)
]
versionField :: ConfigKey
versionField = annexConfig "version"
getVersion :: Annex (Maybe RepoVersion)
getVersion = annexVersion <$> Annex.getGitConfig
versionSupportsDirectMode :: Annex Bool
versionSupportsDirectMode = go <$> getVersion
where
go (Just v) | v >= RepoVersion 6 = False
go _ = True
versionSupportsUnlockedPointers :: Annex Bool
versionSupportsUnlockedPointers = go <$> getVersion
where
go (Just v) | v >= RepoVersion 6 = True
go _ = False
versionSupportsAdjustedBranch :: Annex Bool
versionSupportsAdjustedBranch = versionSupportsUnlockedPointers
versionUsesKeysDatabase :: Annex Bool
versionUsesKeysDatabase = versionSupportsUnlockedPointers
setVersion :: RepoVersion -> Annex ()
setVersion (RepoVersion v) = setConfig versionField (show v)
removeVersion :: Annex ()
removeVersion = unsetConfig versionField