git-annex/Annex/Version.hs
Joey Hess 4510819215 v5 for direct mode, with automatic upgrade
This includes storing the current state of the HEAD ref, which git annex
sync is going to need, but does not make sync use it.
2013-11-05 17:05:03 -04:00

47 lines
972 B
Haskell

{- git-annex repository versioning
-
- Copyright 2010,2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Annex.Version where
import Common.Annex
import Config
import qualified Annex
type Version = String
defaultVersion :: Version
defaultVersion = "3"
directModeVersion :: Version
directModeVersion = "5"
supportedVersions :: [Version]
supportedVersions = [defaultVersion, directModeVersion]
upgradableVersions :: [Version]
#ifndef mingw32_HOST_OS
upgradableVersions = ["0", "1", "2", "4"]
#else
upgradableVersions = ["2", "4"]
#endif
autoUpgradeableVersions :: [Version]
autoUpgradeableVersions = ["4"]
versionField :: ConfigKey
versionField = annexConfig "version"
getVersion :: Annex (Maybe Version)
getVersion = annexVersion <$> Annex.getGitConfig
setVersion :: Version -> Annex ()
setVersion = setConfig versionField
removeVersion :: Annex ()
removeVersion = unsetConfig versionField