add_parser_options

# File lib/rubygems/command.rb, line 421
  def add_parser_options # :nodoc:
    @parser.separator nil

    regular_options = @option_groups.delete :options

    configure_options "", regular_options

    @option_groups.sort_by { |n,_| n.to_s }.each do |group_name, option_list|
      @parser.separator nil
      configure_options group_name, option_list
    end
  end