Function do_label

sequencer.c:3944–3983

}

static int do_label(struct repository *r, const char *name, int len)
{
	struct ref_store *refs = get_main_ref_store(r);
	struct ref_transaction *transaction;
	struct strbuf ref_name = STRBUF_INIT, err = STRBUF_INIT;
	struct strbuf msg = STRBUF_INIT;
	int ret = 0;
	struct object_id head_oid;

	if (len == 1 && *name == '#')
		return error(_("illegal label name: '%.*s'"), len, name);

	strbuf_addf(&ref_name, "refs/rewritten/%.*s", len, name);
	strbuf_addf(&msg, "rebase (label) '%.*s'", len, name);

	transaction = ref_store_transaction_begin(refs, 0, &err);
	if (!transaction) {
		error("%s", err.buf);
		ret = -1;
	} else if (repo_get_oid(r, "HEAD", &head_oid)) {
		error(_("could not read HEAD"));
		ret = -1;
	} else if (ref_transaction_update(transaction, ref_name.buf,
					  &head_oid, NULL, NULL, NULL,
					  0, msg.buf, &err) < 0 ||
		   ref_transaction_commit(transaction, &err)) {
		error("%s", err.buf);
		ret = -1;
	}
	ref_transaction_free(transaction);
	strbuf_release(&err);
	strbuf_release(&msg);

	if (!ret)
		ret = safe_append(rebase_path_refs_to_delete(),
				  "%s\n", ref_name.buf);
	strbuf_release(&ref_name);

	return ret;
}

static struct commit *lookup_label(struct repository *r, const char *label,
				   int len, struct strbuf *buf)