anchor.diff:      ];
     };
   
  +  fwd = buildFromGitHub {
  +    version = 2;
  +    date = "2016-01-28";
  +    rev = "98c11a7a6ec829d672b03833c3d69a7fae1ca972";
  +    owner  = "philhofer";
  +    repo   = "fwd";
  +    sha256 = "15wamyn4xfxvdnf6d2figrl8my1lm00n49m6l3qxdxcdkfa69qnv";
  +  };
  +
     gabs = buildFromGitHub {
       version = 2;
       owner = "Jeffail";
  
positive.code: 
    go-mssqldb = buildFromGitHub {
      version = 2;
      rev = "e8c056fef6cc06e6e77319583ca95c7ce5f65e4b";
      owner = "denisenkom";
      repo = "go-mssqldb";
      sha256 = "0w2myfm536rqkq1smnqpvhlkijpnzlm7400yspsyl2ba1kk0y2sn";
      date = "2016-12-07";
      buildInputs = [
        crypto
        net
  
negative.code: 
    vault = buildFromGitHub {
      version = 2;
      rev = "v0.6.4";
      owner = "hashicorp";
      repo = "vault";
      sha256 = "1lpap4b6501hqsfy09piksv64g9pylsglqbqyrkp9pfr9h8hxrx8";
  
      nativeBuildInputs = [
        pkgs.protobuf-cpp
  