anchor.diff:      tzinfo = g.tzinfo_0_3_31;
       xml_simple = g.xml_simple_1_0_12;
     };
  -  gem_nix_args = [ ''autotest-rails'' ''buildr'' ''coffee-script'' ''nix'' ''rails'' ''rake'' ''rb-fsevent'' ''sass'' ''selenium-webdriver'' ];
  +  gem_nix_args = [ ''autotest-rails'' ''buildr'' ''nix'' ''rails'' ''rake'' ''rb-fsevent'' ''sass'' ''selenium-webdriver'' ];
     gems = {
       ZenTest_4_6_2 = {
         basename = ''ZenTest'';
  
positive.code:       requiredGems = [  ];
        sha256 = ''1fj827xqjs91yqsydf0zmfyw9p4l2jz5yikg3mppz6d7fi8kyrb3'';
      };
      execjs_1_3_0 = {
        basename = ''execjs'';
        meta = {
          description = ''Run JavaScript code from Ruby'';
          homepage = ''https://github.com/sstephenson/execjs'';
          longDescription = ''    ExecJS lets you run JavaScript code from Ruby.
  '';
        };
        name = ''execjs-1.3.0'';
        requiredGems = [ g.multi_json_1_0_4 ];
        sha256 = ''1sski14wdzfljx2f9j7r09li3rxqwvink8n5v489ykw1sicg6l2s'';
      };
      ffi_1_0_11 = {
        basename = ''ffi'';
        meta = {
  
negative.code:       name = ''childprocess-0.3.1'';
        requiredGems = [ g.ffi_1_0_11 ];
        sha256 = ''0phkpxvwz88kgbi4d2akiqbppf374kn2rwf64hfs99p1j1ksbw5l'';
      };
      diff_lcs_1_1_2 = {
        basename = ''diff_lcs'';
  