anchor.diff:    };
   
     goleveldb = buildFromGitHub {
  -    rev = "36d2ead1e477af53df038bdde5f7b5b3790c93dd";
  -    date = "2016-02-01";
  +    rev = "e7e6f5b5ef25adb580feac515f9ccec514d0bda8";
  +    date = "2016-02-09";
       owner = "syndtr";
       repo = "goleveldb";
  -    sha256 = "1h7cm1lrd3y4s70flsnjwv553qrjklnkwrii866ygd1q5jdfi80s";
  +    sha256 = "122v2x1ia5k20y734v64215lja384yiqkz5nl3nw10n38bkjwc4f";
       propagatedBuildInputs = [ ginkgo gomega snappy ];
     };
   
  
positive.code:   };
  
    yaml-v2 = buildFromGitHub {
      rev = "7ad95dd0798a40da1ccdff6dff35fd177b5edf40";
      date = "2015-06-24";
      owner = "go-yaml";
      repo = "yaml";
      sha256 = "0d4jh46jq2yjg5dp00l7yl9ilhly7k4mfvi4harafd5ap5k9wnpb";
      goPackagePath = "gopkg.in/yaml.v2";
    };
  
  
negative.code:   };
  
    go-github = buildFromGitHub {
      date = "2016-02-08";
      rev = "1ef1ae6f862a1e829a33c09b5a76673e249e5c88";
      owner = "google";
      repo = "go-github";
      sha256 = "17sfh5c86pswpg5cnpdczccb4mb2ivn9kxd65ss5d7zsjpwhm5rx";
      buildInputs = [ oauth2 ];
      propagatedBuildInputs = [ go-querystring ];
    };
  