blob: 690e693e23cb0c3d2f0235eda7987ae329e07c2b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
{- git-annex repository versioning
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Version where
import Control.Monad (unless)
import Types
import qualified Annex
import qualified GitRepo as Git
import Config
type Version = String
defaultVersion :: Version
defaultVersion = "3"
supportedVersions :: [Version]
supportedVersions = [defaultVersion]
upgradableVersions :: [Version]
upgradableVersions = ["0", "1", "2"]
versionField :: String
versionField = "annex.version"
getVersion :: Annex (Maybe Version)
getVersion = do
g <- Annex.gitRepo
let v = Git.configGet g versionField ""
if not $ null v
then return $ Just v
else return Nothing
setVersion :: Annex ()
setVersion = setConfig versionField defaultVersion
checkVersion :: Annex ()
checkVersion = getVersion >>= handle
where
handle Nothing = error "First run: git-annex init"
handle (Just v) = do
unless (v `elem` supportedVersions) $ do
error $ "Repository version " ++ v ++
" is not supported. " ++
msg v
msg v
| v `elem` upgradableVersions = "Upgrade this repository: git-annex upgrade"
| otherwise = "Upgrade git-annex."
|
