anchor.diff:      sha256 = "1rscgsik3n6kh51h3axdqwyjbsz6vqjx5p1s4c9v9vs41m679y3k";
       buildInputs = [
         crypto
  +      yaml-v1
  +    ];
  +    propagatedBuildInputs = [
         go-systemd_journal
  -      yaml-v1
       ];
     };
   
  
positive.code:   };
  
    tools = buildFromGitHub {
      rev = "cda5280914a6bccec2b76d8d4341f4f4c5d62592";
      date = "2016-07-06";
      owner = "golang";
      repo = "tools";
      sha256 = "1ljs0gszv33izmqacpl26f209w6ff4517gylv1viwb63wlvkbs6y";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  
negative.code:   };
  
    gocql = buildFromGitHub {
      rev = "9924437647a7cd58f0c79c07d7d5ecf3cc8aa1fa";
      owner  = "gocql";
      repo   = "gocql";
      sha256 = "0jrm4bynkjl8i08bhqpf7lsian8lwm6g777z1radvgqzxsqfgr2s";
      propagatedBuildInputs = [ inf snappy hailocab_go-hostpool net ];
      date = "2016-07-14";
    };
  
    goconvey = buildGoPackage rec {
  