anchor.diff:    };
   
     go-units = buildFromGitHub {
  -    version = 1;
  -    rev = "v0.3.1";
  +    version = 2;
  +    rev = "0dadbb0345b35ec7ef35e228dabb8de89a65bf52";
       owner = "docker";
       repo = "go-units";
  -    sha256 = "16qsnzrhdnr8p650558p7ml4v0lkxhfign2jkz6nsdx6s4q2gpnc";
  +    sha256 = "19xnz75m0qmydh2pgcgb6im6hmp4606jwagfxf892rs446vn2wqi";
  +    date = "2017-01-27";
     };
   
     go-unsnap-stream = buildFromGitHub {
  
positive.code: 
    google-api-go-client = buildFromGitHub {
      version = 2;
      rev = "0496a0fc7755f3994709c442ebdc9fdd84ba788a";
      date = "2017-01-24";
      owner = "google";
      repo = "google-api-go-client";
      sha256 = "06c3jbgwyxnp1w3lnzbkpgrgfh8gj81g6516cjql33g65fa3l1zk";
      goPackagePath = "google.golang.org/api";
      buildInputs = [
        genproto
  
negative.code: 
    go-oidc = buildFromGitHub {
      version = 2;
      date = "2017-01-27";
      rev = "91db2d3a1eaa8c602081d611fec792aaf76bb819";
      owner  = "coreos";
      repo   = "go-oidc";
      sha256 = "01syia9g6v6c6c0x14az34lcyxfz41pvpzdg28292h6g9s86y8m7";
      propagatedBuildInputs = [
        cachecontrol
        clockwork
  