anchor.diff:      sha256 = "06wihvqp2p52zd2dnknsc3rii69qib4a30yp15h558xrg44z3k8z";
     };
   
  -  passthru = {
  -    updateScript = gnome.updateScript { packageName = "gnome-tetravex"; attrPath = "gnome.gnome-tetravex"; };
  -  };
  +  nativeBuildInputs = [
  +    wrapGAppsHook
  +    itstool
  +    libxml2
  +    gnome.adwaita-icon-theme
  +    pkg-config
  +    gettext
  +    meson
  +    ninja
  +    python3
  +    vala
  +    desktop-file-utils
  +  ];
   
  -  nativeBuildInputs = [
  -    wrapGAppsHook itstool libxml2 gnome.adwaita-icon-theme
  -    pkg-config gettext meson ninja python3 vala desktop-file-utils
  -  ];
     buildInputs = [
       gtk3
     ];
  
positive.code: { lib, stdenv, fetchurl, pkg-config, gnome, gtk3, wrapGAppsHook
  , libxml2, gettext, itstool, meson, ninja, python3
  , vala, desktop-file-utils
  }:
  
  stdenv.mkDerivation rec {
  
negative.code:     patchShebangs build-aux/meson_post_install.py
    '';
  
    passthru = {
      updateScript = gnome.updateScript {
        packageName = "gnome-tetravex";
        attrPath = "gnome.gnome-tetravex";
      };
    };
  
    meta = with lib; {
      homepage = "https://wiki.gnome.org/Apps/Tetravex";
      description = "Complete the puzzle by matching numbered tiles";
  