49 lines
1.3 KiB
Haskell
49 lines
1.3 KiB
Haskell
{- git-annex v0 -> v1 upgrade support
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-
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- Copyright 2010 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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module Upgrade.V0 where
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import Annex.Common
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import Annex.Content
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import qualified Upgrade.V1
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upgrade :: Annex Bool
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upgrade = do
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showAction "v0 to v1"
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-- do the reorganisation of the key files
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olddir <- fromRawFilePath <$> fromRepo gitAnnexDir
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keys <- getKeysPresent0 olddir
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forM_ keys $ \k -> moveAnnex k $ olddir </> keyFile0 k
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-- update the symlinks to the key files
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-- No longer needed here; V1.upgrade does the same thing
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-- Few people had v0 repos, so go the long way around from 0 -> 1 -> 2
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Upgrade.V1.upgrade
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-- these stayed unchanged between v0 and v1
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keyFile0 :: Key -> FilePath
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keyFile0 = Upgrade.V1.keyFile1
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fileKey0 :: FilePath -> Key
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fileKey0 = Upgrade.V1.fileKey1
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lookupKey0 :: FilePath -> Annex (Maybe (Key, Backend))
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lookupKey0 = Upgrade.V1.lookupKey1
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getKeysPresent0 :: FilePath -> Annex [Key]
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getKeysPresent0 dir = ifM (liftIO $ doesDirectoryExist dir)
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( liftIO $ map fileKey0
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<$> (filterM present =<< getDirectoryContents dir)
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, return []
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)
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where
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present d = do
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result <- tryIO $
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getFileStatus $ dir ++ "/" ++ takeFileName d
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case result of
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Right s -> return $ isRegularFile s
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Left _ -> return False
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