class Rails::Generators::ARGVScrubber

def railsrc(argv)
  if (customrc = argv.index { |x| x.include?("--rc=") })
    fname = File.expand_path(argv[customrc].gsub(/--rc=/, ""))
    yield(argv.take(customrc) + argv.drop(customrc + 1), fname)
  else
    yield argv, self.class.default_rc_file
  end
end