Function stringArg

src/repair/commit-finding-intake.ts:673–676

(name: string, fallback: JsonValue)

}

function stringArg(name: string, fallback: JsonValue) {
  const value = args[name];
  return typeof value === "string" && value.length ? value : fallback;
}

function assertSha(value: JsonValue) {
  if (!/^[0-9a-f]{40}$/i.test(value)) die(`invalid commit sha: ${value}`);