# File lib/knife-solo/bootstraps.rb, line 96
      def gem_install
        ui.msg "Installing rubygems from source..."
        release = "rubygems-1.8.10"
        file = "#{release}.tgz"
        url = "http://production.cf.rubygems.org/rubygems/#{file}"
        http_client_get_url(url, file)
        run_command("tar zxf #{file}")
        run_command("cd #{release} && sudo ruby setup.rb --no-format-executable")
        run_command("sudo rm -rf #{release} #{file}")
        run_command("sudo gem install --no-rdoc --no-ri #{gem_packages.join(' ')}") unless gem_packages.empty?
        run_command("sudo gem install --no-rdoc --no-ri chef #{gem_options}")
      end