Revert "Clean up direct mode cache and mapping info when dropping keys."

This reverts commit 57780cb3a4.

This was buggy, it caused the direct mode cache to be lost when dropping
keys, so when the file is gotten back, it's stored in indirect mode.

Note to self: Do not attempt bug fixes at 6 am!

Annex/Content.hs

@@ -28,7 +28,6 @@ module Annex.Content (
 	freezeContent,
 	thawContent,
 	replaceFile,
-	cleanObjectLoc,
 ) where
 
 import System.IO.Unsafe (unsafeInterleaveIO)
@@ -330,12 +329,9 @@ withObjectLoc key indirect direct = ifM isDirect
 cleanObjectLoc :: Key -> Annex ()
 cleanObjectLoc key = do
 	file <- inRepo $ gitAnnexLocation key
-	let dir = parentDir file
 	unlessM crippledFileSystem $
-		void $ liftIO $ catchMaybeIO $ allowWrite dir
-	void $ liftIO $ catchMaybeIO $ do
-		removeDirectoryRecursive dir
-	liftIO $ removeparents dir (2 :: Int)
+		void $ liftIO $ catchMaybeIO $ allowWrite $ parentDir file
+	liftIO $ removeparents file (3 :: Int)
   where
 	removeparents _ 0 = noop
 	removeparents file n = do
@@ -357,8 +353,8 @@ removeAnnex key = withObjectLoc key remove removedirect
 		cleanObjectLoc key
 	removedirect fs = do
 		cache <- recordedInodeCache key
+		removeInodeCache key
 		mapM_ (resetfile cache) fs
-		cleanObjectLoc key
 	resetfile cache f = whenM (liftIO $ compareInodeCache f cache) $ do
 		l <- calcGitLink f key
 		top <- fromRepo Git.repoPath

Annex/Content/Direct.hs

@@ -15,6 +15,7 @@ module Annex.Content.Direct (
 	updateInodeCache,
 	writeInodeCache,
 	compareInodeCache,
+	removeInodeCache,
 	toInodeCache,
 ) where
 
@@ -119,5 +120,11 @@ writeInodeCache key cache = withInodeCacheFile key $ \f -> do
 	createContentDir f
 	liftIO $ writeFile f $ showInodeCache cache
 
+{- Removes an inode cache. -}
+removeInodeCache :: Key -> Annex ()
+removeInodeCache key = withInodeCacheFile key $ \f -> do
+	createContentDir f -- also thaws directory
+	liftIO $ nukeFile f
+
 withInodeCacheFile :: Key -> (FilePath -> Annex a) -> Annex a
 withInodeCacheFile key a = a =<< inRepo (gitAnnexInodeCache key)

Command/Drop.hs

@@ -60,10 +60,7 @@ performLocal key numcopies knownpresentremote = lockContent key $ do
 	untrusteduuids <- trustGet UnTrusted
 	let tocheck = Remote.remotesWithoutUUID remotes (trusteduuids'++untrusteduuids)
 	stopUnless (canDropKey key numcopies trusteduuids' tocheck []) $ do
-		whenM (inAnnex key) $
-			removeAnnex key
-		{- Clean up stale direct mode files that may exist. -}
-		cleanObjectLoc key
+		whenM (inAnnex key) $ removeAnnex key
 		next $ cleanupLocal key
 
 performRemote :: Key -> Maybe Int -> Remote -> CommandPerform

doc/bugs/dropunused_doesn__39__t_work_in_my_case__63__.mdwn

@@ -56,6 +56,3 @@ What version of git-annex are you using? On what operating system?
 
 git-annex: 3.20130124
 Debian: sid 2013-02-01
-
-> unused being confused by stale data left when switching from direct mode.
-> I've made this be cleaned up. [[done]] --[[Joey]]