diff options
Diffstat (limited to 'Annex/Content.hs')
| -rw-r--r-- | Annex/Content.hs | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/Annex/Content.hs b/Annex/Content.hs index b3c62ee0a..90ab7db58 100644 --- a/Annex/Content.hs +++ b/Annex/Content.hs @@ -101,23 +101,21 @@ inAnnexSafe key = inAnnex' (fromMaybe False) (Just False) go key =<< contentLockFile key #ifndef mingw32_HOST_OS - checkindirect f = liftIO $ openExistingLockFile f >>= check is_missing + checkindirect contentfile = liftIO $ checkOr is_missing contentfile {- In direct mode, the content file must exist, but - - the lock file often generally won't exist unless a removal is in - - process. This does not create the lock file, it only checks for - - it. -} + - the lock file generally won't exist unless a removal is in + - process. -} checkdirect contentfile lockfile = liftIO $ ifM (doesFileExist contentfile) - ( openExistingLockFile lockfile >>= check is_unlocked + ( checkOr is_unlocked lockfile , return is_missing ) - check _ (Just h) = do - v <- getLock h (ReadLock, AbsoluteSeek, 0, 0) - closeFd h + checkOr def lockfile = do + v <- checkLocked lockfile return $ case v of - Just _ -> is_locked - Nothing -> is_unlocked - check def Nothing = return def + Nothing -> def + Just True -> is_locked + Just False -> is_unlocked #else checkindirect f = liftIO $ ifM (doesFileExist f) ( do @@ -161,7 +159,7 @@ lockContent key a = do contentfile <- calcRepo $ gitAnnexLocation key lockfile <- contentLockFile key maybe noop setuplockfile lockfile - bracket (liftIO $ lock contentfile lockfile) (unlock lockfile) (const a) + bracket (lock contentfile lockfile) (unlock lockfile) (const a) where alreadylocked = error "content is locked" setuplockfile lockfile = modifyContent lockfile $ @@ -171,8 +169,11 @@ lockContent key a = do void $ liftIO $ tryIO $ nukeFile lockfile #ifndef mingw32_HOST_OS - lock contentfile Nothing = opencontentforlock contentfile >>= dolock - lock _ (Just lockfile) = createLockFile Nothing lockfile >>= dolock . Just + lock contentfile Nothing = liftIO $ + opencontentforlock contentfile >>= dolock + lock _ (Just lockfile) = do + mode <- annexFileMode + liftIO $ createLockFile mode lockfile >>= dolock . Just {- Since content files are stored with the write bit disabled, have - to fiddle with permissions to open for an exclusive lock. -} opencontentforlock f = catchDefaultIO Nothing $ @@ -189,7 +190,8 @@ lockContent key a = do maybe noop cleanuplockfile mlockfile liftIO $ maybe noop closeFd mfd #else - lock _ (Just lockfile) = maybe alreadylocked (return . Just) =<< lockExclusive lockfile + lock _ (Just lockfile) = liftIO $ + maybe alreadylocked (return . Just) =<< lockExclusive lockfile lock _ Nothing = return Nothing unlock mlockfile mlockhandle = do liftIO $ maybe noop dropLock mlockhandle |