class RSpec::Core::ConfigurationOptions

def drb_argv
  argv = []
  argv << "--color"        if options[:color_enabled]
  argv << "--profile"      if options[:profile_examples]
  argv << "--backtrace"    if options[:full_backtrace]
  argv << "--tty"          if options[:tty]
  argv << "--fail-fast"    if options[:fail_fast]
  argv << "--line_number"  << options[:line_number]             if options[:line_number]
  argv << "--options"      << options[:custom_options_file]     if options[:custom_options_file]
  argv << "--example"      << options[:full_description].source if options[:full_description]
  if options[:filter]
    options[:filter].each_pair do |k, v|
      argv << "--tag" << k.to_s
    end
  end
  if options[:formatters]
    options[:formatters].each do |pair|
      argv << "--format" << pair[0]
      argv << "--out" << pair[1] if pair[1]
    end
  end
  (options[:libs] || []).each do |path|
    argv << "-I" << path
  end
  (options[:requires] || []).each do |path|
    argv << "--require" << path
  end
  argv + options[:files_or_directories_to_run]
end