diff options
Diffstat (limited to 'Annex/Content/Direct.hs')
| -rw-r--r-- | Annex/Content/Direct.hs | 84 |
1 files changed, 4 insertions, 80 deletions
diff --git a/Annex/Content/Direct.hs b/Annex/Content/Direct.hs index 86e053d7f..59bea8f99 100644 --- a/Annex/Content/Direct.hs +++ b/Annex/Content/Direct.hs @@ -1,12 +1,13 @@ {- git-annex file content managing for direct mode - + - This is deprecated, and will be removed when direct mode gets removed + - from git-annex. + - - Copyright 2012-2014 Joey Hess <id@joeyh.name> - - Licensed under the GNU GPL version 3 or higher. -} -{-# LANGUAGE CPP #-} - module Annex.Content.Direct ( associatedFiles, associatedFilesRelative, @@ -26,15 +27,10 @@ module Annex.Content.Direct ( sameFileStatus, removeInodeCache, toInodeCache, - inodesChanged, - createInodeSentinalFile, addContentWhenNotPresent, - withTSDelta, - getTSDelta, ) where import Common.Annex -import qualified Annex import Annex.Perms import qualified Git import Utility.Tmp @@ -43,6 +39,7 @@ import Utility.InodeCache import Utility.CopyFile import Annex.ReplaceFile import Annex.Link +import Annex.InodeSentinal {- Absolute FilePaths of Files in the tree that are associated with a key. -} associatedFiles :: Key -> Annex [FilePath] @@ -165,14 +162,6 @@ removeInodeCache key = withInodeCacheFile key $ \f -> withInodeCacheFile :: Key -> (FilePath -> Annex a) -> Annex a withInodeCacheFile key a = a =<< calcRepo (gitAnnexInodeCache key) -{- Checks if a InodeCache matches the current version of a file. -} -sameInodeCache :: FilePath -> [InodeCache] -> Annex Bool -sameInodeCache _ [] = return False -sameInodeCache file old = go =<< withTSDelta (liftIO . genInodeCache file) - where - go Nothing = return False - go (Just curr) = elemInodeCaches curr old - {- Checks if a FileStatus matches the recorded InodeCache of a file. -} sameFileStatus :: Key -> FilePath -> FileStatus -> Annex Bool sameFileStatus key f status = do @@ -183,22 +172,6 @@ sameFileStatus key f status = do ([], Nothing) -> return True _ -> return False -{- If the inodes have changed, only the size and mtime are compared. -} -compareInodeCaches :: InodeCache -> InodeCache -> Annex Bool -compareInodeCaches x y - | compareStrong x y = return True - | otherwise = ifM inodesChanged - ( return $ compareWeak x y - , return False - ) - -elemInodeCaches :: InodeCache -> [InodeCache] -> Annex Bool -elemInodeCaches _ [] = return False -elemInodeCaches c (l:ls) = ifM (compareInodeCaches c l) - ( return True - , elemInodeCaches c ls - ) - compareInodeCachesWith :: Annex InodeComparisonType compareInodeCachesWith = ifM inodesChanged ( return Weakly, return Strongly ) @@ -212,52 +185,3 @@ addContentWhenNotPresent key contentfile associatedfile = do replaceFile associatedfile $ liftIO . void . copyFileExternal CopyAllMetaData contentfile updateInodeCache key associatedfile - -{- Some filesystems get new inodes each time they are mounted. - - In order to work on such a filesystem, a sentinal file is used to detect - - when the inodes have changed. - - - - If the sentinal file does not exist, we have to assume that the - - inodes have changed. - -} -inodesChanged :: Annex Bool -inodesChanged = sentinalInodesChanged <$> sentinalStatus - -withTSDelta :: (TSDelta -> Annex a) -> Annex a -withTSDelta a = a =<< getTSDelta - -getTSDelta :: Annex TSDelta -#ifdef mingw32_HOST_OS -getTSDelta = sentinalTSDelta <$> sentinalStatus -#else -getTSDelta = pure noTSDelta -- optimisation -#endif - -sentinalStatus :: Annex SentinalStatus -sentinalStatus = maybe check return =<< Annex.getState Annex.sentinalstatus - where - check = do - sc <- liftIO . checkSentinalFile =<< annexSentinalFile - Annex.changeState $ \s -> s { Annex.sentinalstatus = Just sc } - return sc - -{- The sentinal file is only created when first initializing a repository. - - If there are any annexed objects in the repository already, creating - - the file would invalidate their inode caches. -} -createInodeSentinalFile :: Annex () -createInodeSentinalFile = unlessM (alreadyexists <||> hasobjects) $ do - s <- annexSentinalFile - createAnnexDirectory (parentDir (sentinalFile s)) - liftIO $ writeSentinalFile s - where - alreadyexists = liftIO. sentinalFileExists =<< annexSentinalFile - hasobjects = liftIO . doesDirectoryExist =<< fromRepo gitAnnexObjectDir - -annexSentinalFile :: Annex SentinalFile -annexSentinalFile = do - sentinalfile <- fromRepo gitAnnexInodeSentinal - sentinalcachefile <- fromRepo gitAnnexInodeSentinalCache - return SentinalFile - { sentinalFile = sentinalfile - , sentinalCacheFile = sentinalcachefile - } |