Function reftable_ref_iterator_advance

refs/reftable-backend.c:606–703

}

static int reftable_ref_iterator_advance(struct ref_iterator *ref_iterator)
{
	struct reftable_ref_iterator *iter =
		(struct reftable_ref_iterator *)ref_iterator;
	struct reftable_ref_store *refs = iter->refs;
	const char *referent = NULL;

	while (!iter->err) {
		int flags = 0;

		iter->err = reftable_iterator_next_ref(&iter->iter, &iter->ref);
		if (iter->err)
			break;

		/*
		 * The files backend only lists references contained in "refs/" unless
		 * the root refs are to be included. We emulate the same behaviour here.
		 */
		if (!starts_with(iter->ref.refname, "refs/") &&
		    !(iter->flags & REFS_FOR_EACH_INCLUDE_ROOT_REFS &&
		      is_root_ref(iter->ref.refname))) {
			continue;
		}

		if (iter->prefix_len &&
		    strncmp(iter->prefix, iter->ref.refname, iter->prefix_len)) {
			iter->err = 1;
			break;
		}

		if (iter->exclude_patterns && should_exclude_current_ref(iter))
			continue;

		if (iter->flags & REFS_FOR_EACH_PER_WORKTREE_ONLY &&
		    parse_worktree_ref(iter->ref.refname, NULL, NULL, NULL) !=
			    REF_WORKTREE_CURRENT)
			continue;

		switch (iter->ref.value_type) {
		case REFTABLE_REF_VAL1:
			oidread(&iter->oid, iter->ref.value.val1,
				refs->base.repo->hash_algo);
			break;
		case REFTABLE_REF_VAL2:
			oidread(&iter->oid, iter->ref.value.val2.value,
				refs->base.repo->hash_algo);
			oidread(&iter->peeled_oid, iter->ref.value.val2.target_value,
				refs->base.repo->hash_algo);
			break;
		case REFTABLE_REF_SYMREF:
			referent = refs_resolve_ref_unsafe(&iter->refs->base,
							   iter->ref.refname,
							   RESOLVE_REF_READING,
							   &iter->oid, &flags);
			if (!referent)
				oidclr(&iter->oid, refs->base.repo->hash_algo);
			break;
		default: