anchor.diff:  { lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
   , libX11, libXcomposite, libXft, libXmu, libXrandr, libXext, libXScrnSaver
  -, pam, apacheHttpd, pamtester, xscreensaver }:
  +, pam, apacheHttpd, pamtester, xscreensaver, coreutils, makeWrapper }:
   
   stdenv.mkDerivation rec {
     pname = "xsecurelock";
  
positive.code:     EOF
    '';
  
    meta = with lib; {
      description = "X11 screen lock utility with security in mind";
      homepage = "https://github.com/google/xsecurelock";
  
negative.code:   };
  
    nativeBuildInputs = [
      autoreconfHook pkg-config makeWrapper
    ];
  
    buildInputs = [
      libX11 libXcomposite libXft libXmu libXrandr libXext libXScrnSaver
      pam apacheHttpd pamtester
  