anchor.diff:      treetop = g.treetop_1_4_12;
       tzinfo = g.tzinfo_0_3_35;
       uuid = g.uuid_2_3_6;
  +    uuidtools = g.uuidtools_2_1_3;
       websocket = g.websocket_1_0_7;
       xml_simple = g.xml_simple_1_1_1;
     };
  -  gem_nix_args = [ ''autotest-rails'' ''buildr'' ''fakes3'' ''foreman'' ''nix'' ''rails'' ''rake'' ''rb-fsevent'' ''sass'' ''selenium-webdriver'' ''sinatra-1.3.2'' ''uuid'' ];
  +  gem_nix_args = [ ''autotest-rails'' ''aws-sdk'' ''buildr'' ''fakes3'' ''foreman'' ''nix'' ''rails'' ''rake'' ''rb-fsevent'' ''sass'' ''selenium-webdriver'' ''sinatra-1.3.2'' ''uuid'' ];
     gems = {
       ZenTest_4_8_4 = {
         basename = ''ZenTest'';
  
positive.code: See RDoc for a description of RDoc's markup and basic use.'';
        };
        name = ''rdoc-3.12'';
        requiredGems = [ g.json_1_7_6 ];
        sha256 = ''0cd4hrkba7zr675m62yb87l7hpf0sp2qw8ccc2s0y2fa2fxdxdkp'';
      };
      rjb_1_4_2 = {
  
negative.code:       name = ''autotest-rails-4.1.2'';
        requiredGems = [ g.ZenTest_4_8_4 ];
        sha256 = ''1wkb5jayb39yx0i8ly7sibygf9f9c3w24jg2z1qgm135zlb070v4'';
      };
      aws_sdk_1_8_1_2 = {
        basename = ''aws_sdk'';
        meta = {
          description = ''AWS SDK for Ruby'';
          homepage = ''http://aws.amazon.com/sdkforruby'';
          longDescription = ''AWS SDK for Ruby'';
        };
        name = ''aws-sdk-1.8.1.2'';
        requiredGems = [ g.uuidtools_2_1_3 g.nokogiri_1_5_6 g.json_1_7_6 ];
        sha256 = ''0z3ins8rd8v3r40sn70kg21f5di58lqjfxppl19hi3pdjxgdrr7x'';
      };
      builder_3_0_4 = {
        basename = ''builder'';
  