class Rspec::Core::ConfigurationOptions

def local_options_file
  return @options.delete(:options_file) if @options[:options_file]
  return LOCAL_OPTIONS_FILE if File.exist?(LOCAL_OPTIONS_FILE)
  Rspec.deprecate("spec/spec.opts", ".rspec or ~/.rspec", "2.0.0") if File.exist?("spec/spec.opts")
  "spec/spec.opts"
end