requestVersion method

@override void requestVersion()

Ask the user to type a custom version no.

Implementation

@override
void requestVersion() {
  var valid = false;
  do {
    try {
      final entered =
          ask('Enter the new Version No.:', validator: Ask.required);
      _version = Version.parse(entered);
      valid = true;
    } on FormatException catch (e) {
      print(e);
    }
  } while (!valid);
}