anchor.diff: -{ lib, fetchurl, fetchzip, fetchpatch, python3
  +{ lib, fetchurl, fetchzip, python3
   , mkDerivationWith, wrapQtAppsHook, wrapGAppsHook, qtbase, qtwebengine, glib-networking
   , asciidoc, docbook_xml_dtd_45, docbook_xsl, libxml2
   , libxslt, gst_all_1 ? null
  
positive.code: 
  in mkDerivationWith python3Packages.buildPythonApplication rec {
    pname = "qutebrowser";
    version = "2.2.0";
  
    # the release tarballs are different from the git checkout!
    src = fetchurl {
      url = "https://github.com/qutebrowser/qutebrowser/releases/download/v${version}/${pname}-${version}.tar.gz";
      sha256 = "sha256:0anxhrkxqb35mxr7jr820xcfw0v514s92wffsiqap2a2sqaj0pgs";
    };
  
    # Needs tox
  
negative.code: 
    patches = [
      ./fix-restart.patch
    ];
  
    dontWrapGApps = true;
  