anchor.diff:  let version = "2.9.7"; in
  -{ stdenv, fetchurl, zlib, gettext
  +{ stdenv, lib, buildPackages, fetchurl, zlib, gettext
   , wordlists ? [ (fetchurl {
     url = "https://github.com/cracklib/cracklib/releases/download/v${version}/cracklib-words-${version}.gz";
     sha256 = "12fk8w06q628v754l357cf8kfjna98wj09qybpqr892az3x4a33z";
  
positive.code:   '';
  
    postInstall = ''
      make dict
    '';
    doInstallCheck = true;
    installCheckTarget = "test";
  
    meta = with stdenv.lib; {
      homepage    = https://github.com/cracklib/cracklib;
      description = "A library for checking the strength of passwords";
      license = licenses.lgpl21; # Different license for the wordlist: http://www.openwall.com/wordlists
  
negative.code:     sha256 = "1rimpjsdnmw8f5b7k558cic41p2qy2n2yrlqp5vh7mp4162hk0py";
    };
  
    nativeBuildInputs = lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) buildPackages.cracklib;
    buildInputs = [ zlib gettext ];
  
    postPatch = ''
  