Function should_pack_ref

refs/files-backend.c:1367–1394

* Return true if the specified reference should be packed. */

 * Return true if the specified reference should be packed.
 */
static int should_pack_ref(struct files_ref_store *refs,
			   const struct reference *ref,
			   struct refs_optimize_opts *opts)
{
	struct string_list_item *item;

	/* Do not pack per-worktree refs: */
	if (parse_worktree_ref(ref->name, NULL, NULL, NULL) !=
	    REF_WORKTREE_SHARED)
		return 0;

	/* Do not pack symbolic refs: */
	if (ref->flags & REF_ISSYMREF)
		return 0;

	/* Do not pack broken refs: */
	if (!ref_resolves_to_object(ref->name, refs->base.repo, ref->oid, ref->flags))
		return 0;

	if (ref_excluded(opts->exclusions, ref->name))
		return 0;

	for_each_string_list_item(item, opts->includes)
		if (!wildmatch(item->string, ref->name, 0))
			return 1;

	return 0;
}

static int should_pack_refs(struct files_ref_store *refs,
			    struct refs_optimize_opts *opts)