ensure that content directory is thawed when writing direct mode mapping and cache files

This commit is contained in:
Joey Hess 2013-01-26 20:09:15 +11:00
parent 21a7ab4592
commit 103b572d8e
4 changed files with 37 additions and 34 deletions

View file

@ -27,8 +27,6 @@ module Annex.Content (
preseedTmp,
freezeContent,
thawContent,
freezeContentDir,
createContentDir,
replaceFile,
) where
@ -457,27 +455,3 @@ thawContent file = liftIO . go =<< fromRepo getSharedRepository
go GroupShared = groupWriteRead file
go AllShared = groupWriteRead file
go _ = allowWrite file
{- Blocks writing to the directory an annexed file is in, to prevent the
- file accidentially being deleted. However, if core.sharedRepository
- is set, this is not done, since the group must be allowed to delete the
- file.
-}
freezeContentDir :: FilePath -> Annex ()
freezeContentDir file = liftIO . go =<< fromRepo getSharedRepository
where
dir = parentDir file
go GroupShared = groupWriteRead dir
go AllShared = groupWriteRead dir
go _ = preventWrite dir
{- Makes the directory tree to store an annexed file's content,
- with appropriate permissions on each level. -}
createContentDir :: FilePath -> Annex ()
createContentDir dest = do
unlessM (liftIO $ doesDirectoryExist dir) $
createAnnexDirectory dir
-- might have already existed with restricted perms
liftIO $ allowWrite dir
where
dir = parentDir dest

View file

@ -23,6 +23,7 @@ module Annex.Content.Direct (
) where
import Common.Annex
import Annex.Perms
import qualified Git
import Utility.TempFile
import Logs.Location
@ -53,7 +54,8 @@ changeAssociatedFiles key transform = do
mapping <- inRepo $ gitAnnexMapping key
files <- associatedFilesRelative key
let files' = transform files
when (files /= files') $
when (files /= files') $ do
createContentDir mapping
liftIO $ viaTmp write mapping $ unlines files'
top <- fromRepo Git.repoPath
return $ map (top </>) files'
@ -109,7 +111,7 @@ changedFileStatus key status = do
{- Gets the recorded cache for a key. -}
recordedCache :: Key -> Annex (Maybe Cache)
recordedCache key = withCacheFile key $ \cachefile ->
catchDefaultIO Nothing $ readCache <$> readFile cachefile
liftIO $ catchDefaultIO Nothing $ readCache <$> readFile cachefile
{- Compares a cache with the current cache for a file. -}
compareCache :: FilePath -> Maybe Cache -> Annex Bool
@ -124,12 +126,14 @@ updateCache key file = maybe noop (writeCache key) =<< liftIO (genCache file)
{- Writes a cache for a key. -}
writeCache :: Key -> Cache -> Annex ()
writeCache key cache = withCacheFile key $ \cachefile -> do
createDirectoryIfMissing True (parentDir cachefile)
writeFile cachefile $ showCache cache
createContentDir cachefile
liftIO $ writeFile cachefile $ showCache cache
{- Removes a cache. -}
removeCache :: Key -> Annex ()
removeCache key = withCacheFile key nukeFile
removeCache key = withCacheFile key $ \f -> do
createContentDir f -- also thaws directory
liftIO $ nukeFile f
{- Cache a file's inode, size, and modification time to determine if it's
- been changed. -}
@ -166,5 +170,5 @@ toCache s
(modificationTime s)
| otherwise = Nothing
withCacheFile :: Key -> (FilePath -> IO a) -> Annex a
withCacheFile key a = liftIO . a =<< inRepo (gitAnnexCache key)
withCacheFile :: Key -> (FilePath -> Annex a) -> Annex a
withCacheFile key a = a =<< inRepo (gitAnnexCache key)

View file

@ -171,7 +171,6 @@ toDirect k f = maybe noop id =<< toDirectGen k f
toDirectGen :: Key -> FilePath -> Annex (Maybe (Annex ()))
toDirectGen k f = do
loc <- inRepo $ gitAnnexLocation k
createContentDir loc -- thaws directory too
absf <- liftIO $ absPath f
locs <- filter (/= absf) <$> addAssociatedFile k f
case locs of

View file

@ -10,6 +10,8 @@ module Annex.Perms (
annexFileMode,
createAnnexDirectory,
noUmask,
createContentDir,
freezeContentDir,
) where
import Common.Annex
@ -68,3 +70,27 @@ createAnnexDirectory dir = traverse dir [] =<< top
done = forM_ below $ \p -> do
liftIO $ createDirectory p
setAnnexPerm p
{- Blocks writing to the directory an annexed file is in, to prevent the
- file accidentially being deleted. However, if core.sharedRepository
- is set, this is not done, since the group must be allowed to delete the
- file.
-}
freezeContentDir :: FilePath -> Annex ()
freezeContentDir file = liftIO . go =<< fromRepo getSharedRepository
where
dir = parentDir file
go GroupShared = groupWriteRead dir
go AllShared = groupWriteRead dir
go _ = preventWrite dir
{- Makes the directory tree to store an annexed file's content,
- with appropriate permissions on each level. -}
createContentDir :: FilePath -> Annex ()
createContentDir dest = do
unlessM (liftIO $ doesDirectoryExist dir) $
createAnnexDirectory dir
-- might have already existed with restricted perms
liftIO $ allowWrite dir
where
dir = parentDir dest