anchor.diff:        requiredGems = [ g.ZenTest_4_10_1 ];
         sha256 = ''1v1dm9zlhdlrxvk90zs8d439ldar674ix41s7pncddgyswcfgg5l'';
       };
  -    aws_sdk_1_51_0 = {
  +    aws_sdk_1_52_0 = {
         basename = ''aws_sdk'';
         meta = {
  -        description = ''AWS SDK for Ruby'';
  +        description = ''AWS SDK for Ruby V1'';
           homepage = ''http://aws.amazon.com/sdkforruby'';
  -        longDescription = ''AWS SDK for Ruby'';
  -      };
  -      name = ''aws-sdk-1.51.0'';
  +        longDescription = ''Version 1 of the AWS SDK for Ruby. Available as both `aws-sdk` and `aws-sdk-v1`.
  +Use `aws-sdk-v1` if you want to load v1 and v2 of the Ruby SDK in the same
  +application.'';
  +      };
  +      name = ''aws-sdk-1.52.0'';
  +      requiredGems = [ g.aws_sdk_v1_1_52_0 ];
  +      sha256 = ''1ffdkihid83wm0wwzpm35anhh62lpwld6ca47kpf8zlgs5m53hgh'';
  +    };
  +    aws_sdk_v1_1_52_0 = {
  +      basename = ''aws_sdk_v1'';
  +      meta = {
  +        description = ''AWS SDK for Ruby V1'';
  +        homepage = ''http://aws.amazon.com/sdkforruby'';
  +        longDescription = ''Version 1 of the AWS SDK for Ruby. Available as both `aws-sdk` and `aws-sdk-v1`.
  +Use `aws-sdk-v1` if you want to load v1 and v2 of the Ruby SDK in the same
  +application.'';
  +      };
  +      name = ''aws-sdk-v1-1.52.0'';
         requiredGems = [ g.nokogiri_1_6_3_1 g.json_1_8_1 ];
  -      sha256 = ''092a7km6ar7zvyyzgiqsb0dm354sqa6mzx7sa0c8ndwm918lbqai'';
  +      sha256 = ''17df4w7jzyjlal1855gv0q4dhdwjc8j16ncqmv89lxbbqdvrjmfj'';
       };
       backports_3_6_0 = {
         basename = ''backports'';
  
positive.code:     tilt = g.tilt_1_4_1;
      tins = g.tins_1_3_2;
      travis = g.travis_1_7_1;
      treetop = g.treetop_1_4_15;
      trollop = g.trollop_2_0;
      typhoeus = g.typhoeus_0_6_9;
      tzinfo = g.tzinfo_1_2_2;
  
negative.code:     uuid = g.uuid_2_3_7;
      webrick = g.webrick_1_3_1;
      webrobots = g.webrobots_0_1_1;
      websocket = g.websocket_1_2_1;
      xapian_full = g.xapian_full_1_2_3;
      xapian_ruby = g.xapian_ruby_1_2_17;
      xml_simple = g.xml_simple_1_1_2;
      yajl_ruby = g.yajl_ruby_1_2_1;
    };
    gem_nix_args = [ ''autotest-rails'' ''aws-sdk'' ''bitbucket-backup'' ''buildr'' ''cucumber'' ''erubis'' ''fakes3'' ''foreman'' ''gettext'' ''iconv'' ''jsduck'' ''lockfile'' ''mechanize'' ''nix'' ''papertrail-cli'' ''rails'' ''rake'' ''rb-fsevent'' ''remote_syslog'' ''riemann-dash'' ''right_aws'' ''rmail'' ''sass'' ''selenium-webdriver'' ''sinatra-1.3.2'' ''taskjuggler'' ''terminal-notifier'' ''thin'' ''travis'' ''trollop'' ''uuid'' ''xapian-full'' ''xapian-ruby'' ''yajl-ruby'' ];
    gems = {
      ZenTest_4_10_1 = {
        basename = ''ZenTest'';
  