anchor.diff:  
       (python3.withPackages (pp: with pp; [ pygobject3 setproctitle xapp pycairo ]))
       xapps
  +    xdotool
       pam
       accountsservice
       cairo
  
positive.code: , accountsservice
  , cairo
  , xapps
  , xorg
  , iso-flags-png-320x420
  }:
  
  stdenv.mkDerivation rec {
    pname = "cinnamon-screensaver";
    version = "5.2.0";
  
    src = fetchFromGitHub {
      owner = "linuxmint";
      repo = pname;
      rev = version;
      hash = "sha256-weQ5sw5SY89JFIxamCeLiSLy8xCXGg0Yxj/5Ca5r+6o=";
    };
  
    nativeBuildInputs = [
  
negative.code: { lib
  , stdenv
  , fetchFromGitHub
  , fetchpatch
  , pkg-config
  , meson
  , ninja
  