Function tree_is_complete

reflog.c:140–182

#define REACHABLE	(1u<<12)

static int tree_is_complete(const struct object_id *oid)
{
	struct tree_desc desc;
	struct name_entry entry;
	int complete;
	struct tree *tree;

	tree = lookup_tree(the_repository, oid);
	if (!tree)
		return 0;
	if (tree->object.flags & SEEN)
		return 1;
	if (tree->object.flags & INCOMPLETE)
		return 0;

	if (!tree->buffer) {
		enum object_type type;
		size_t size;
		void *data = odb_read_object(the_repository->objects, oid,
					     &type, &size);
		if (!data) {
			tree->object.flags |= INCOMPLETE;
			return 0;
		}
		tree->buffer = data;
		tree->size = size;
	}
	init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size);
	complete = 1;
	while (tree_entry(&desc, &entry)) {
		if (!odb_has_object(the_repository->objects, &entry.oid,
				ODB_HAS_OBJECT_RECHECK_PACKED | ODB_HAS_OBJECT_FETCH_PROMISOR) ||
		    (S_ISDIR(entry.mode) && !tree_is_complete(&entry.oid))) {
			tree->object.flags |= INCOMPLETE;
			complete = 0;
		}
	}
	free_tree_buffer(tree);

	if (complete)
		tree->object.flags |= SEEN;
	return complete;
}

static int commit_is_complete(struct commit *commit)
{