anchor.diff:      json = g.json_1_7_6;
       json_pure = g.json_pure_1_7_6;
       mail = g.mail_2_4_4;
  -    mime_types = g.mime_types_1_19;
  +    mime_types = g.mime_types_1_20_1;
       minitar = g.minitar_0_5_3;
       multi_json = g.multi_json_1_5_0;
       net_sftp = g.net_sftp_2_0_5;
  
positive.code:         longDescription = ''A really Ruby Mail handler.'';
        };
        name = ''mail-2.4.4'';
        requiredGems = [ g.mime_types_1_19 g.treetop_1_4_12 ];
        sha256 = ''0idylz5pnlz34mrxm7gs9jbll2c0k0y9dq2qarhxk30gwyvjaxi3'';
      };
      mime_types_1_19 = {
        basename = ''mime_types'';
        meta = {
          description = ''This library allows for the identification of a file's likely MIME content type'';
          homepage = ''http://mime-types.rubyforge.org/'';
          longDescription = ''This library allows for the identification of a file's likely MIME content
  type. This is release 1.19 with new MIME types. The identification of MIME
  content type is based on a file's filename extensions.
  
  MIME::Types for Ruby was originally based on and synchronized with MIME::Types
  for Perl by Mark Overmeer, copyright 2001 - 2009. As of version 1.15, the data
  format for the MIME::Type list has changed and the synchronization will no
  longer happen.
  
  :include: Licence.rdoc'';
        };
        name = ''mime-types-1.19'';
        requiredGems = [  ];
        sha256 = ''1b44lrzk9v6i0jyajkx106qjyg8ns7siw1k42hmmwqj574ffsn26'';
      };
      minitar_0_5_3 = {
        basename = ''minitar'';
  
negative.code:     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'' ];
    gems = {
      ZenTest_4_8_4 = {
        basename = ''ZenTest'';
  