run method

@override @nonVirtual Future<int> run()

Runs this command.

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

Implementation

@override
@nonVirtual
Future<int> run() async {
  print.setRootLoggerLevel(isVerbose: isVerbose);

  try {
    return _jsonResultIfNeeded(await doRun());
  } on RunException catch (e) {
    return _jsonResultIfNeeded(errorBy(e));
  } catch (e, st) {
    printVerbose('Exception: $e\nStackTrace: $st');
    return _jsonResultIfNeeded(error(2, message: 'Failed by: $e'));
  }
}