avoid pre-commit hook messing up new-style unlocked files in v6 repo

Annex/Version.hs

@@ -43,6 +43,12 @@ versionSupportsDirectMode = go <$> getVersion
 	go (Just "6") = False
 	go _ = True
 
+versionSupportsUnlockedPointers :: Annex Bool
+versionSupportsUnlockedPointers = go <$> getVersion
+  where
+	go (Just "6") = True
+	go _ = False
+
 setVersion :: Version -> Annex ()
 setVersion = setConfig versionField
 

CmdLine/Seek.hs

@@ -115,7 +115,7 @@ withPairs a params = seekActions $ return $ map a $ pairs [] params
 	pairs c (x:y:xs) = pairs ((x,y):c) xs
 	pairs _ _ = error "expected pairs"
 
-withFilesToBeCommitted :: (String -> CommandStart) -> CmdParams -> CommandSeek
+withFilesToBeCommitted :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
 withFilesToBeCommitted a params = seekActions $ prepFiltered a $
 	seekHelper LsFiles.stagedNotDeleted params
 

Command/PreCommit.hs

@@ -16,7 +16,9 @@ import qualified Command.Add
 import qualified Command.Fix
 import Annex.Direct
 import Annex.Hook
+import Annex.Link
 import Annex.View
+import Annex.Version
 import Annex.View.ViewedFile
 import Annex.LockFile
 import Logs.View
@@ -49,9 +51,14 @@ seek ps = lockPreCommitHook $ ifM isDirect
 				void $ liftIO cleanup
 			, do
 				-- fix symlinks to files being committed
-				withFilesToBeCommitted (whenAnnexed Command.Fix.start) ps
+				flip withFilesToBeCommitted ps $ \f -> 
+					maybe stop (Command.Fix.start f)
+						=<< isAnnexLink f
 				-- inject unlocked files into the annex
-				withFilesUnlockedToBeCommitted startIndirect ps
+				-- (not needed when repo version uses
+				-- unlocked pointer files)
+				unlessM versionSupportsUnlockedPointers $
+					withFilesUnlockedToBeCommitted startInjectUnlocked ps
 			)
 		runAnnexHook preCommitAnnexHook
 		-- committing changes to a view updates metadata
@@ -64,8 +71,8 @@ seek ps = lockPreCommitHook $ ifM isDirect
 	)
 	
 
-startIndirect :: FilePath -> CommandStart
-startIndirect f = next $ do
+startInjectUnlocked :: FilePath -> CommandStart
+startInjectUnlocked f = next $ do
 	unlessM (callCommandAction $ Command.Add.start f) $
 		error $ "failed to add " ++ f ++ "; canceling commit"
 	next $ return True

doc/git-annex-pre-commit.mdwn

@@ -12,10 +12,14 @@ This is meant to be called from git's pre-commit hook. `git annex init`
 automatically creates a pre-commit hook using this.
 
 Fixes up symlinks that are staged as part of a commit, to ensure they
-point to annexed content. Also handles injecting changes to unlocked
-files into the annex. When in a view, updates metadata to reflect changes
+point to annexed content.
+
+When in a view, updates metadata to reflect changes
 made to files in the view.
 
+When in a repository that has not been upgraded to annex.version 6, 
+also handles injecting changes to unlocked files into the annex. 
+
 # SEE ALSO
 
 [[git-annex]](1)