git-annex/Annex/Version.hs

41 lines
844 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
supportedVersion :: Version
supportedVersion = "5"
upgradableVersions :: [Version]
#ifndef mingw32_HOST_OS
upgradableVersions = ["0", "1", "2", "4"]
#else
upgradableVersions = ["2", "3", "4"]
#endif
autoUpgradeableVersions :: [Version]
autoUpgradeableVersions = ["3", "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