93f2371e09
The latter is harder for me to remember, but avoids build failures in code used by the configure program.
53 lines
1.2 KiB
Haskell
53 lines
1.2 KiB
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 = "4"
|
|
|
|
supportedVersions :: [Version]
|
|
supportedVersions = [defaultVersion, directModeVersion]
|
|
|
|
upgradableVersions :: [Version]
|
|
#ifndef mingw32_HOST_OS
|
|
upgradableVersions = ["0", "1", "2"]
|
|
#else
|
|
upgradableVersions = ["2"]
|
|
#endif
|
|
|
|
versionField :: ConfigKey
|
|
versionField = annexConfig "version"
|
|
|
|
getVersion :: Annex (Maybe Version)
|
|
getVersion = annexVersion <$> Annex.getGitConfig
|
|
|
|
setVersion :: Version -> Annex ()
|
|
setVersion = setConfig versionField
|
|
|
|
removeVersion :: Annex ()
|
|
removeVersion = unsetConfig versionField
|
|
|
|
checkVersion :: Version -> Annex ()
|
|
checkVersion v
|
|
| v `elem` supportedVersions = noop
|
|
| v `elem` upgradableVersions = err "Upgrade this repository: git-annex upgrade"
|
|
| otherwise = err "Upgrade git-annex."
|
|
where
|
|
err msg = error $ "Repository version " ++ v ++
|
|
" is not supported. " ++ msg
|