anchor.diff:  { stdenv
   , fetchFromGitHub
   , fetchurl
  +, intel-gpu-tools
   , lib
  -, meson
  -, ninja
  +, python2
   
   , libdrm
   , libva
  
positive.code: }:
  
  let
    # Move this back to a stable release once this commit is integrated
    date = "2018-04-28";
    rev = "40b15a5c6c0103c23a5db810aef27cf75d0b6723";
  in
  stdenv.mkDerivation rec {
    name = "intel-vaapi-driver-${date}";
  
    src = fetchFromGitHub {
      version = 6;
      owner = "intel";
      repo = "intel-vaapi-driver";
      inherit rev;
      sha256 = "5ac5271ecd9918b3c95d265d0bdf27fd9cb5f5551757a4968a0600a42ff75761";
    };
    /*
    fetchurl {
      url = "https://github.com/intel/intel-vaapi-driver/releases/download/${version}/${name}.tar.bz2";
      hashOutput = false;
      sha256 = "5ac5271ecd9918b3c95d265d0bdf27fd9cb5f5551757a4968a0600a42ff7576a";
    };
    */
  
    nativeBuildInputs = [
      meson
      ninja
    ];
  
    buildInputs = [
  
negative.code:     xorgproto
    ];
  
    configureFlags = [
      "--enable-x11"
      "--enable-wayland"
      "--enable-hybrid-codec"
    ];
  
    preInstall = ''
      installFlagsArray+=("LIBVA_DRIVERS_PATH=$out/lib/dri")
    '';
  
    passthru = {
      srcVerification = fetchurl {
  