anchor.diff:  { stdenv
   , lib
  -, fetchurl
  +, fetchzip
   , autoPatchelfHook
   , wrapGAppsHook
   , gnome2
  
positive.code: 
    unpackPhase = ''
      mkdir -p $TMP/ $out/{opt,bin}
      tar -xvf $src -C $TMP/
    '';
  
    installPhase = ''
      cp -r $TMP/icecat/* $out/opt/
      ln -sf $out/opt/icecat-bin $out/bin/icecat
    '';
  
  
negative.code: , at-spi2-core
  }:
  
  stdenv.mkDerivation rec {
    pname = "icecat-bin";
    version = "60.7.0";
  
    src = fetchzip {
      url = "https://mirror.tochlab.net/pub/gnu/gnuzilla/${version}/icecat-${version}.en-US.gnulinux-x86_64.tar.bz2";
      sha256 = "sha256-bEapbQIcZXQ0Tip/X1Q0guowpr3wNDYsFbHGmTbc5mE=";
    };
  
    nativeBuildInputs = [
  