class Rake::Application

def handle_options
  options.rakelib = ['rakelib']
  options.trace_output = $stderr
  OptionParser.new do |opts|
    opts.banner = "rake [-f rakefile] {options} targets..."
    opts.separator ""
    opts.separator "Options are ..."
    opts.on_tail("-h", "--help", "-H", "Display this help message.") do
      puts opts
      exit
    end
    standard_rake_options.each { |args| opts.on(*args) }
    opts.environment('RAKEOPT')
  end.parse!
end