# File lib/rubygems/gem_commands.rb, line 1022
    def initialize
      super(
        'cleanup',
        'Clean up old versions of installed gems in the local repository',
        {
          :force => false, 
          :test => false, 
          :install_dir => Gem.dir
        })
      add_option('-d', '--dryrun', "") do |value, options|
        options[:dryrun] = true
      end
    end