module Rails::ConsoleHelper::ClassMethods

def available_environments
  Dir['config/environments/*.rb'].map { |fname| File.basename(fname, '.*') }
end  

def set_options_env(arguments, options)
  if arguments.first && arguments.first[0] != '-'
    env = arguments.first
    if available_environments.include? env
      options[:environment] = env
    else
      options[:environment] = %w(production development test).detect { |e| e =~ /^#{env}/ } || env
    end
  end
  options
end

def start(*args)
  new(*args).start
end