anchor.diff:        purgeTimestamps = true;
         inherit name;
         url = "https://code.googlesource.com/google-api-go-client/+archive/${rev}.tar.gz";
  -      sha256 = "1s9k4kwpy4bz3rc3za9p2cjdim7hsxgpsjl971xhbpjihvhh8072";
  +      sha256 = "0gc63r8dkszwby2dlyhsbicspwivg29zrkh6l45plnig0ra38431";
       };
       buildInputs = [
         appengine
  
positive.code: 
    go-deadlock = buildFromGitHub {
      version = 3;
      rev = "565eb44395707143937a7e9f7015747585046643";
      owner  = "sasha-s";
      repo   = "go-deadlock";
      sha256 = "1m91sh6gyfblc0n6ghihzd9f3gjx4zc7gn0y36sf5mvwal2xk3f1";
      date = "2017-08-29";
      propagatedBuildInputs = [
        goid
      ];
  
negative.code:   };
  
    go-cleanhttp = buildFromGitHub {
      version = 3;
      date = "2017-11-30";
      rev = "06c9ea3a335b7443026f8124b22619524420291b";
      owner = "hashicorp";
      repo = "go-cleanhttp";
      sha256 = "0gwcgyzdqimzpbvdj78zmrr9npmggzw8m2qri3r1qa6w7lg3bdlm";
    };
  
    go-cmp = buildFromGitHub {
  