class Rspec::Core::CommandLineOptions

def apply(config)
  # 1) option file, cli options, rspec core configure
  # TODO: Add options_file to configuration
  # TODO: Store command line options for reference
  options_file = options.delete(:options_file) || DEFAULT_OPTIONS_FILE
  merged_options = parse_spec_file_contents(options_file).merge!(options)
  options.replace merged_options
  
  options.each do |key, value|
    config.send("#{key}=", value)
  end
end