anchor.diff:      autotest_rails = g.autotest_rails_4_1_2;
       builder = g.builder_3_0_0;
       buildr = g.buildr_1_4_6;
  -    bundler = g.bundler_1_1_0;
  +    bundler = g.bundler_1_1_1;
       childprocess = g.childprocess_0_3_1;
       diff_lcs = g.diff_lcs_1_1_3;
       erubis = g.erubis_2_7_0;
  
positive.code:   };
    gem_nix_args = [ ''autotest-rails'' ''buildr'' ''nix'' ''rails'' ''rake'' ''rb-fsevent'' ''sass'' ''selenium-webdriver'' ];
    gems = {
      ZenTest_4_6_2 = {
        basename = ''ZenTest'';
        meta = {
          description = ''ZenTest provides 4 different tools: zentest, unit_diff, autotest, and multiruby'';
  
negative.code:       requiredGems = [ g.rake_0_8_7 g.builder_2_1_2 g.net_ssh_2_0_23 g.net_sftp_2_0_4 g.rubyzip_0_9_4 g.highline_1_5_1 g.json_pure_1_4_3 g.rubyforge_2_0_3 g.hoe_2_3_3 g.rjb_1_3_3 g.atoulme_Antwrap_0_7_1 g.diff_lcs_1_1_2 g.rspec_expectations_2_1_0 g.rspec_mocks_2_1_0 g.rspec_core_2_1_0 g.rspec_2_1_0 g.xml_simple_1_0_12 g.minitar_0_5_3 ];
        sha256 = ''11qwqrdnmzzi4zhgajfq1f1ckvd4kpfm9gyqrfjfalphs4gi0vxz'';
      };
      bundler_1_1_1 = {
        basename = ''bundler'';
        meta = {
          description = ''The best way to manage your application's dependencies'';
          homepage = ''http://gembundler.com'';
          longDescription = ''Bundler manages an application's dependencies through its entire life, across many machines, systematically and repeatably'';
        };
        name = ''bundler-1.1.1'';
        requiredGems = [  ];
        sha256 = ''05cr17gzx731403fhbzv3szdfa80hghpn77ab6vi73k4177pjnzx'';
      };
      childprocess_0_3_1 = {
        basename = ''childprocess'';
  