Function add_unreachable_loose_objects

builtin/pack-objects.c:4564–4568

* We actually don't even have to worry about reachability here. * add_object_entry will weed out duplicates, so we just add every * loose object we find. */

 * loose object we find.
 */
static void add_unreachable_loose_objects(struct rev_info *revs)
{
	for_each_loose_file_in_source(the_repository->objects->sources,
				      add_loose_object, NULL, NULL, revs);
}

static int has_sha1_pack_kept_or_nonlocal(const struct object_id *oid)
{