anchor.diff:    };
   
     duo_api_golang = buildFromGitHub {
  -    date = "2015-06-09";
  -    rev = "16da9e74793f6d9b97b227a0696fe32bcdaecb42";
  +    date = "2016-03-22";
  +    rev = "6f814b626e6aad2bb14b95969b42fdb09c4a0f16";
       owner = "duosecurity";
       repo = "duo_api_golang";
  -    sha256 = "1g7j0hjpfgk3py7sqkc2xw1lghn5zypyswkpygmsmjm4mxk9sxdm";
  +    sha256 = "0r400aaxrzp140xjjy8llk6jcax75af4i6s267bs310rdvyfb29x";
     };
   
     cache = buildFromGitHub {
  
positive.code:   };
  
    oauth2 = buildFromGitHub {
      rev = "045497edb6234273d67dbc25da3f2ddbc4c4cacf";
      date = "2016-03-04";
      owner = "golang";
      repo = "oauth2";
      sha256 = "11x2ibdf86wrh1p7npxj7g9s5qhiprv4s5g8n2hbfs0dyky9q16r";
      goPackagePath = "golang.org/x/oauth2";
      goPackageAliases = [ "github.com/golang/oauth2" ];
      propagatedBuildInputs = [ net gcloud-golang-compute-metadata ];
  
negative.code:   };
  
    structs = buildFromGitHub {
      date = "2016-03-17";
      rev = "73c4e3dc02a78deaba8640d5f3a8c236ec1352bf";
      owner  = "fatih";
      repo   = "structs";
      sha256 = "12njbxr1lmhzwma7hzgizl6pc1kphjjjlmgz8im8w6whk0a20c4p";
    };
  
    stump = buildFromGitHub {
  