39 lines
879 B
Haskell
39 lines
879 B
Haskell
{- git-annex repository versioning
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Version where
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import Control.Monad.State (liftIO)
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import System.Directory
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import Types
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import qualified Annex
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import qualified GitRepo as Git
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import Locations
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currentVersion :: String
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currentVersion = "1"
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versionField :: String
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versionField = "annex.version"
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getVersion :: Annex (Maybe String)
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getVersion = do
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g <- Annex.gitRepo
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let v = Git.configGet g versionField ""
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if (not $ null v)
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then return $ Just v
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else do
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-- version 0 was not recorded in .git/config;
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-- such a repo should have an annexDir
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d <- liftIO $ doesDirectoryExist $ annexDir g
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if (d)
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then return $ Just "0"
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else return Nothing -- no version yet
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setVersion :: Annex ()
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setVersion = Annex.setConfig versionField currentVersion
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