class RSpec::Core::ConfigurationOptions

def organize_options
  @filter_manager_inclusions = []
  @filter_manager_exclusions = []
  @options = (file_options << command_line_options << env_options).each { |opts|
    @filter_manager_inclusions << opts.delete(:inclusion_filter) if opts.key?(:inclusion_filter)
    @filter_manager_exclusions << opts.delete(:exclusion_filter) if opts.key?(:exclusion_filter)
  }.inject(:libs => [], :requires => []) { |hash, opts|
    hash.merge(opts) { |key, oldval, newval|
      [:libs, :requires].include?(key) ? oldval + newval : newval
    }
  }
end