anchor.diff:        profile
         structs
       ];
  -    date = "2017-01-24";
  +    date = "2017-01-25";
     };
   
     mdns = buildFromGitHub {
  
positive.code: 
    aws-sdk-go = buildFromGitHub {
      version = 2;
      rev = "v1.6.15";
      owner  = "aws";
      repo   = "aws-sdk-go";
      sha256 = "1hka03lh2nr1gzq42yjcffivjlqnc2m0q2har1k3977mima0dvnk";
      excludedPackages = "\\(awstesting\\|example\\)";
      buildInputs = [
        tools
  
negative.code: 
    syncthing = buildFromGitHub rec {
      version = 2;
      rev = "v0.14.21";
      owner = "syncthing";
      repo = "syncthing";
      sha256 = "0s2axxgc83989d70g8lxl14rzyximayp2z7x8f1hbf2d8nrmkfcd";
      buildFlags = [ "-tags noupgrade" ];
      buildInputs = [
        go-lz4 du luhn xdr snappy ratelimit osext
  