anchor.diff:  
     sdnotify = buildFromGitHub {
       version = 6;
  -    rev = "ed8ca104421a21947710335006107540e3ecb335";
  +    rev = "d9becc38acbd785892af7637319e2c5e101057f7";
       owner = "okzk";
       repo = "sdnotify";
  -    sha256 = "089plny2r6hf1h8zwf97zfahdkizvnnla4ybd04likinvh45hb38";
  -    date = "2016-08-04";
  +    sha256 = "17qisnf6jz0d5lx48l9vs1hm7jdcmzyq3hw4l0wfjq352gr8nil3";
  +    date = "2018-07-10";
     };
   
     seed = buildFromGitHub {
  
positive.code: 
    coredns = buildFromGitHub {
      version = 6;
      rev = "v1.1.4";
      owner = "coredns";
      repo = "coredns";
      sha256 = "15f7pfj5v9bwfjdrk6jarx5abgymyj2lqwpnrv8dp4i4i63isvz3";
      subPackages = [
        "plugin/etcd/msg"
        "plugin/pkg/dnsutil"
  
negative.code:     ];
    };
  
    parse = buildFromGitHub {
      version = 6;
      owner = "tdewolff";
      repo = "parse";
      rev = "v2.3.3";
      sha256 = "1zfbxxprld4mwddmxy9a1k87pvdxhws8zb9if4bw6z4nba9x25zi";
    };
  
    pat = buildFromGitHub {
      version = 6;
      owner = "bmizerany";
  