anchor.diff:        requiredGems = [  ];
         sha256 = ''035vs1knnnjsb8arfp8vx75warvwcdpiljjwv38lqljai9v8fq53'';
       };
  -    multi_json_1_1_0 = {
  +    multi_json_1_2_0 = {
         basename = ''multi_json'';
         meta = {
           description = ''A gem to provide swappable JSON backends.'';
           homepage = ''http://github.com/intridea/multi_json'';
  -        longDescription = ''A gem to provide swappable JSON backends utilizing Yajl::Ruby, the JSON gem, JSON pure, or a vendored version of okjson.'';
  -      };
  -      name = ''multi_json-1.1.0'';
  -      requiredGems = [  ];
  -      sha256 = ''0dsqx39l6zwfw9l9zyl4l9rr83617a6i1rznw218jskxhi7jsqxr'';
  +        longDescription = ''A gem to provide easy switching between different JSON backends, including Oj, Yajl, the JSON gem (with C-extensions), the pure-Ruby JSON gem, and OkJson.'';
  +      };
  +      name = ''multi_json-1.2.0'';
  +      requiredGems = [  ];
  +      sha256 = ''1pv5bzj2xniyr2lqh1a4ac5k4gj7k6dmwxp5z4kmyz46bbjkgpg2'';
       };
       net_sftp_2_0_4 = {
         basename = ''net_sftp'';
  
positive.code:     hoe = g.hoe_2_3_3;
      i18n = g.i18n_0_6_0;
      journey = g.journey_1_0_3;
      json = g.json_1_6_5;
      json_pure = g.json_pure_1_6_5;
      mail = g.mail_2_4_4;
      mime_types = g.mime_types_1_18;
      minitar = g.minitar_0_5_3;
      multi_json = g.multi_json_1_1_0;
      net_sftp = g.net_sftp_2_0_4;
      net_ssh = g.net_ssh_2_3_0;
      nix = g.nix_0_1_1;
  
negative.code:         longDescription = ''Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.'';
        };
        name = ''rails-3.2.2'';
        requiredGems = [ g.activesupport_3_2_2 g.actionpack_3_2_2 g.activerecord_3_2_2 g.activeresource_3_2_2 g.actionmailer_3_2_2 g.railties_3_2_2 g.bundler_1_1_3 ];
        sha256 = ''0kwh8142zxyvrva09m5g85cmwhby714q87j1mb8s6wikv4gvfmy9'';
      };
      railties_3_2_2 = {
  