63 lines
1.6 KiB
Haskell
63 lines
1.6 KiB
Haskell
{- 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 System.IO.Error (try)
|
|
import System.Directory
|
|
import Control.Monad.State (liftIO)
|
|
import Control.Monad (filterM, forM_)
|
|
import System.Posix.Files
|
|
import System.FilePath
|
|
|
|
import Content
|
|
import Types
|
|
import Locations
|
|
import qualified Annex
|
|
import Messages
|
|
import qualified Upgrade.V1
|
|
|
|
upgrade :: Annex Bool
|
|
upgrade = do
|
|
showSideAction "Upgrading object directory layout v0 to v1..."
|
|
g <- Annex.gitRepo
|
|
|
|
-- do the reorganisation of the key files
|
|
let olddir = gitAnnexDir g
|
|
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 Annex))
|
|
lookupFile0 = Upgrade.V1.lookupFile1
|
|
|
|
getKeysPresent0 :: FilePath -> Annex [Key]
|
|
getKeysPresent0 dir = do
|
|
exists <- liftIO $ doesDirectoryExist dir
|
|
if (not exists)
|
|
then return []
|
|
else do
|
|
contents <- liftIO $ getDirectoryContents dir
|
|
files <- liftIO $ filterM present contents
|
|
return $ map fileKey0 files
|
|
where
|
|
present d = do
|
|
result <- try $
|
|
getFileStatus $ dir ++ "/" ++ takeFileName d
|
|
case result of
|
|
Right s -> return $ isRegularFile s
|
|
Left _ -> return False
|