better shutdown

Core.hs

@@ -11,34 +11,43 @@ import UUID
 import qualified GitRepo as Git
 import qualified Annex
 			
-{- Sets up a git repo for git-annex. May be called repeatedly. -}
-gitSetup :: Annex ()
-gitSetup = do
+{- Sets up a git repo for git-annex. -}
+setup :: Annex ()
+setup = do
 	g <- Annex.gitRepo
-	liftIO $ setupattributes g
+	liftIO $ gitAttributes g
 	prepUUID
-	where
-		-- configure git to use union merge driver on state files
-		setupattributes repo = do
-			exists <- doesFileExist attributes
-			if (not exists)
+
+{- When git-annex is done, it runs this. -}
+shutdown :: Annex ()
+shutdown = do
+	g <- Annex.gitRepo
+	liftIO $ Git.run g ["commit", "-m", 
+		"git-annex log update", ".git-annex"]
+
+{- configure git to use union merge driver on state files, if it is not
+ - already -}
+gitAttributes :: Git.Repo -> IO ()
+gitAttributes repo = do
+	exists <- doesFileExist attributes
+	if (not exists)
+		then do
+			writeFile attributes $ attrLine ++ "\n"
+			commit
+		else do
+			content <- readFile attributes
+			if (all (/= attrLine) (lines content))
 				then do
-					writeFile attributes $ attrLine ++ "\n"
+					appendFile attributes $ attrLine ++ "\n"
 					commit
-				else do
-					content <- readFile attributes
-					if (all (/= attrLine) (lines content))
-						then do
-							appendFile attributes $ attrLine ++ "\n"
-							commit
-						else return ()
-			where
-				attrLine = stateLoc ++ "/*.log merge=union"
-				attributes = Git.attributes repo
-				commit = do
-					Git.run repo ["add", attributes]
-					Git.run repo ["commit", "-m", "git-annex setup", 
-							attributes]
+				else return ()
+	where
+		attrLine = stateLoc ++ "/*.log merge=union"
+		attributes = Git.attributes repo
+		commit = do
+			Git.run repo ["add", attributes]
+			Git.run repo ["commit", "-m", "git-annex setup", 
+					attributes]
 
 {- Checks if a given key is currently present in the annexLocation -}
 inAnnex :: Backend -> Key -> Annex Bool