Function show_object_pack_hint

builtin/pack-objects.c:3834–3863

}

static void show_object_pack_hint(struct object *object, const char *name,
				  void *data)
{
	enum stdin_packs_mode mode = *(enum stdin_packs_mode *)data;
	if (mode == STDIN_PACKS_MODE_FOLLOW) {
		if (object->type == OBJ_BLOB &&
		    !odb_has_object(the_repository->objects, &object->oid, 0))
			return;
		add_object_entry(&object->oid, object->type, name, 0);
	} else {
		struct object_entry *oe = packlist_find(&to_pack, &object->oid);
		if (!oe)
			return;

		/*
		 * Our 'to_pack' list was constructed by iterating all
		 * objects packed in included packs, and so doesn't have
		 * a non-zero hash field that you would typically pick
		 * up during a reachability traversal.
		 *
		 * Make a best-effort attempt to fill in the ->hash and
		 * ->no_try_delta fields here in order to perhaps
		 * improve the delta selection process.
		 */
		oe->hash = pack_name_hash_fn(name);
		oe->no_try_delta = name && no_try_delta(name);

		stdin_packs_hints_nr++;
	}
}

static void show_commit_pack_hint(struct commit *commit, void *data)
{