run method

@override Future<int> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<int> run() async {
  final rest = argResults!.rest;
  if (rest.length != 1) {
    return _error(
      ExitReporter.usageError,
      'MISSING_PLAN_ID',
      'Expected exactly one plan ID.',
    );
  }
  final planId = rest.single;
  final plan = planStore.loadPlan(planId);
  if (plan == null) {
    return _error(
      ExitReporter.planNotFoundOrStateForbids,
      'PLAN_NOT_FOUND',
      'Change Plan "$planId" was not found.',
    );
  }
  final location = planStore.loadPlanLocation(planId);
  if (location == null) {
    return _error(
      ExitReporter.planNotFoundOrStateForbids,
      'PLAN_LOCATION_NOT_FOUND',
      'Change Plan "$planId" has no staging location.',
    );
  }

  try {
    return await withSessionLock(
      location.canonicalDestination,
      () => _apply(plan, location),
      baseDir: sessionLockBaseDir,
    );
  } on SessionLockHeldException catch (error) {
    return _error(error.exitCode, 'SESSION_LOCK_HELD', error.message);
  }
}