wt-status: teach has_{unstaged,uncommitted}_changes() about submodules

diff --git a/commit.c b/commit.c
index 71a360dad384f33b7b6a6c29ed16d7823fc53961..ba6dee37aa36cc7141649deda6407012cd0f2724 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1576,6 +1576,15 @@ int commit_tree_extended(const char *msg, size_t msg_len,
        return result;
 }
 
+void set_merge_remote_desc(struct commit *commit,
+                          const char *name, struct object *obj)
+{
+       struct merge_remote_desc *desc;
+       FLEX_ALLOC_STR(desc, name, name);
+       desc->obj = obj;
+       commit->util = desc;
+}
+
 struct commit *get_merge_parent(const char *name)
 {
        struct object *obj;
@@ -1585,13 +1594,8 @@ struct commit *get_merge_parent(const char *name)
                return NULL;
        obj = parse_object(oid.hash);
        commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT);
-       if (commit && !commit->util) {
-               struct merge_remote_desc *desc;
-               desc = xmalloc(sizeof(*desc));
-               desc->obj = obj;
-               desc->name = strdup(name);
-               commit->util = desc;
-       }
+       if (commit && !commit->util)
+               set_merge_remote_desc(commit, name, obj);
        return commit;
 }