Function usage

scripts/pr.ts:250–257

()

// Utils

function usage(): never {
  console.error(
    "Usage:\n" +
      "  node scripts/pr.ts check\n" +
      "  node scripts/pr.ts actions <result-file>",
  );
  process.exit(1);
}

function requireEnv(name: string): string {
  let value = process.env[name];