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|
{- git-annex v0 -> v1 upgrade support
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Upgrade.V0 where
import Common.Annex
import Annex.Content
import qualified Upgrade.V1
upgrade :: Annex Bool
upgrade = do
showAction "v0 to v1"
-- do the reorganisation of the key files
olddir <- fromRepo gitAnnexDir
keys <- getKeysPresent0 olddir
forM_ keys $ \k -> moveAnnex k $ olddir </> keyFile0 k
-- update the symlinks to the key files
-- No longer needed here; V1.upgrade does the same thing
-- Few people had v0 repos, so go the long way around from 0 -> 1 -> 2
Upgrade.V1.upgrade
-- these stayed unchanged between v0 and v1
keyFile0 :: Key -> FilePath
keyFile0 = Upgrade.V1.keyFile1
fileKey0 :: FilePath -> Key
fileKey0 = Upgrade.V1.fileKey1
lookupFile0 :: FilePath -> Annex (Maybe (Key, Backend))
lookupFile0 = Upgrade.V1.lookupFile1
getKeysPresent0 :: FilePath -> Annex [Key]
getKeysPresent0 dir = ifM (liftIO $ doesDirectoryExist dir)
( liftIO $ map fileKey0
<$> (filterM present =<< getDirectoryContents dir)
, return []
)
where
present d = do
result <- tryIO $
getFileStatus $ dir ++ "/" ++ takeFileName d
case result of
Right s -> return $ isRegularFile s
Left _ -> return False
|
