message: `portsdiff`: Check for --options
diff: @@ -98,6 +98,7 @@ namespace vcpkg::Commands::PortsDiff
  static const std::string example = Strings::format("The argument should be a branch/tag/hash to checkout.\n%s", Commands::Help::create_example_string("portsdiff mybranchname"));
  args.check_min_arg_count(1, example);
  args.check_max_arg_count(2, example);
  + args.check_and_get_optional_command_arguments({});
  Environment::ensure_git_on_path(paths);
  const std::wstring git_commit_id_for_previous_snapshot = Strings::utf8_to_utf16(args.command_arguments.at(0));
  