anchor.diff:  
     go-systemd = buildFromGitHub {
       version = 2;
  -    rev = "a63dfec412dc3675ec36888f359f8a1e5c3f740d";
  +    rev = "2c9a2f6e703caf3523f0e5783af22855c3159413";
       owner = "coreos";
       repo = "go-systemd";
  -    sha256 = "0cnx68dxxhr8klh050p95fbkj7cynamw5z1n1zipkjjfjszd60nf";
  +    sha256 = "0612y5pz1m2gij5krfda5g30g3s3dhrl6siqi4kw3677128qdi8a";
       propagatedBuildInputs = [
         dbus
         pkg
         pkgs.systemd_lib
       ];
  -    date = "2016-09-20";
  +    date = "2016-10-17";
     };
   
     go-systemd_journal = buildFromGitHub {
  
positive.code: 
    go-couchbase = buildFromGitHub {
      version = 2;
      rev = "c7863684674181f5962e904c3d629966fdac2489";
      owner  = "couchbase";
      repo   = "go-couchbase";
      sha256 = "1yj58f03fgc9j2nrkwhnxzhc631jg4vbqc0gg4aqydh070ify9p8";
      date = "2016-10-05";
      goPackageAliases = [
        "github.com/couchbaselabs/go-couchbase"
      ];
  
negative.code:   };
  
    color = buildFromGitHub {
      version = 2;
      rev = "v1.1.0";
      owner  = "fatih";
      repo   = "color";
      sha256 = "1k3vcxmy0hb7zxfakwpw90zy7fmkix9rlfvxlxag35c7xhm2xjkd";
      propagatedBuildInputs = [
        go-colorable
        go-isatty
  