Function parseCiShardRequest

e2e/scripts/ci-shard.ts:103–133

(args: readonly string[])

 * Invalid input is returned as a typed value and never reaches the planner.
 */
export const parseCiShardRequest = (args: readonly string[]): ParseCiShardRequestResult => {
  if (args.length !== 2) {
    return {
      ok: false,
      error: new CiShardInputError(
        "usage: bun scripts/run-ci-shard.ts <cloud|selfhost|local> <shard-index>",
      ),
    };
  }

  const target = parseTarget(args[0]);
  if (target === undefined) {
    return {
      ok: false,
      error: new CiShardInputError(`unsupported e2e target: ${args[0]}`),
    };
  }

  const index = parseIndex(args[1]);
  const count = CI_SHARD_COUNTS[target];
  if (index === undefined || index > count) {
    return {
      ok: false,
      error: new CiShardInputError(
        `shard index for ${target} must be an integer from 1 through ${count}`,
      ),
    };
  }

  return { ok: true, value: { target, index, count } };
};

/**
 * Discovers the complete set of test files owned by a target, relative to the