dir: convert struct untracked_cache_dir to object_id

diff --git a/rerere.c b/rerere.c
index 8af6b660e0dc71b0c82db1ff21c58babffaf8800..18cae2d11c9a86aae0ed352a8f7606b142c5c183 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -719,11 +719,9 @@ static void update_paths(struct string_list *update)
                        item->string);
        }
 
-       if (active_cache_changed) {
-               if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK))
-                       die("Unable to write new index file");
-       } else
-               rollback_lock_file(&index_lock);
+       if (write_locked_index(&the_index, &index_lock,
+                              COMMIT_LOCK | SKIP_IF_UNCHANGED))
+               die("Unable to write new index file");
 }
 
 static void remove_variant(struct rerere_id *id)