anchor.diff:  
     liner = buildFromGitHub {
       version = 2;
  -    rev = "bf27d3ba8e1d9899d45a457ffac16c953eb2d647";
  +    rev = "88609521dc4b6c858fd4c98b628147da928ce4ac";
       owner = "peterh";
       repo = "liner";
  -    sha256 = "07dv24678gg3vp37xwjf446145ns9wyg2g9igfrhk2nlgkz7kxgc";
  -    date = "2017-02-11";
  +    sha256 = "05jzx3bfj9iqirwydn4lw75khkj3xjwnnx8a6nq6m1avwkmbzn9z";
  +    date = "2017-03-17";
     };
   
     linode = buildFromGitHub {
  
positive.code: 
    go-ethereum = buildFromGitHub {
      version = 2;
      date = "2017-03-16";
      rev = "6d038e762b2ff5785d6884f09f869c45964647aa";
      owner  = "ethereum";
      repo   = "go-ethereum";
      sha256 = "0ix3ba9m8awfyjg5pik72k5qxjcvg3j0nwcsnllz3f60vjv8rl2f";
      subPackages = [
        "crypto/sha3"
      ];
  
negative.code:       pkgs.libpcap
      ];
      meta.useUnstable = true;
      date = "2017-03-20";
    };
  
    etcd_client = buildFromGitHub {
  