Function getBaselineRevs

test/BenchmarkTestCases.benchmark.mjs:122–161

* @returns {Promise<{ name: string, rev?: string }[]>} baseline revs

()

 * @returns {Promise<{ name: string, rev?: string }[]>} baseline revs
 */
async function getBaselineRevs() {
	if (LAST_COMMIT) {
		return [
			{
				name: "HEAD"
			}
		];
	}

	const resultParents = await git.raw([
		"rev-list",
		"--parents",
		"-n",
		"1",
		"HEAD"
	]);
	const revList =
		/** @type {[string, string, string, string | undefined] | null} */
		(REV_LIST_REGEXP.exec(resultParents));

	if (!revList) throw new Error("Invalid result from git rev-list");

	const head = await getHead(revList);
	const base = await getBase(head, revList);

	if (!head || !base) {
		throw new Error("No baseline found");
	}

	return [
		{
			name: "HEAD",
			rev: head
		},
		{
			name: "BASE",
			rev: base
		}
	];
}

/**
 * @param {number} n number of runs