fcdc4797a9
So, I have a type checked safe handling of filenames starting with dashes, throughout the code.
84 lines
2 KiB
Haskell
84 lines
2 KiB
Haskell
{- git-annex upgrade support
|
|
-
|
|
- Copyright 2010 Joey Hess <joey@kitenet.net>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Upgrade 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 GitRepo as Git
|
|
import qualified Annex
|
|
import qualified Backend
|
|
import Messages
|
|
import Version
|
|
import Utility
|
|
|
|
{- Uses the annex.version git config setting to automate upgrades. -}
|
|
upgrade :: Annex Bool
|
|
upgrade = do
|
|
version <- getVersion
|
|
case version of
|
|
Just "0" -> upgradeFrom0
|
|
Nothing -> return True -- repo not initted yet, no version
|
|
Just v | v == currentVersion -> return True
|
|
Just _ -> error "this version of git-annex is too old for this git repository!"
|
|
|
|
upgradeFrom0 :: Annex Bool
|
|
upgradeFrom0 = do
|
|
showSideAction "Upgrading object directory layout..."
|
|
g <- Annex.gitRepo
|
|
|
|
-- do the reorganisation of the files
|
|
let olddir = gitAnnexDir g
|
|
keys <- getKeysPresent0' olddir
|
|
forM_ keys $ \k -> moveAnnex k $ olddir </> keyFile k
|
|
|
|
-- update the symlinks to the files
|
|
files <- liftIO $ Git.inRepo g [Git.workTree g]
|
|
fixlinks files
|
|
Annex.queueRun
|
|
|
|
setVersion
|
|
|
|
return True
|
|
|
|
where
|
|
fixlinks [] = return ()
|
|
fixlinks (f:fs) = do
|
|
r <- Backend.lookupFile f
|
|
case r of
|
|
Nothing -> return ()
|
|
Just (k, _) -> do
|
|
link <- calcGitLink f k
|
|
liftIO $ removeFile f
|
|
liftIO $ createSymbolicLink link f
|
|
Annex.queue "add" [Param "--"] f
|
|
fixlinks fs
|
|
|
|
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 fileKey files
|
|
where
|
|
present d = do
|
|
result <- try $
|
|
getFileStatus $ dir ++ "/" ++ takeFileName d
|
|
case result of
|
|
Right s -> return $ isRegularFile s
|
|
Left _ -> return False
|