anchor.diff:      ];
     };
   
  +  cni = buildFromGitHub {
  +    version = 3;
  +    rev = "384d8c0b5288c25b9f1da901c66ea5155e6c567d";
  +    owner = "containernetworking";
  +    repo = "cni";
  +    sha256 = "12mb42s623mnhxhraj9vid6z6zakf1d38bwpy9vg6g7rfz9f7y1n";
  +    meta.useUnstable = true;
  +    date = "2017-11-01";
  +  };
  +
     cobra = buildFromGitHub {
       version = 3;
       owner = "spf13";
  
positive.code:     version = 3;
      owner = "google";
      repo = "certificate-transparency-go";
      rev = "66517eb70cb8776dff42ac12deb23850efdf622b";
      date = "2017-10-31";
      sha256 = "1rhsmskilk227lzk2rzm522k10mwzzmapf1d9x2i7hgjjs9lc4xw";
      subPackages = [
        "."
        "asn1"
  
negative.code: 
    bbolt = buildFromGitHub {
      version = 3;
      rev = "3c6cbfb299c11444eb2f8c9d48f0d2ce09157423";
      owner  = "coreos";
      repo   = "bbolt";
      sha256 = "0w6p3s2v9fkzls1qfmzr4p0daxksamk4jvchkz4l6bh2pqwav772";
      date = "2017-11-01";
      buildInputs = [
        sys
      ];
  