anchor.diff: -{ stdenv, lib, fetchurl
  +{ lib, stdenv, fetchurl, wrapGAppsHook
   , dpkg
   , alsa-lib
   , at-spi2-atk
  
positive.code: , xorg
  , zlib
  , xdg-utils
  , wrapGAppsHook
  , commandLineArgs ? ""
  }:
  
  let
  
  rpath = lib.makeLibraryPath [
    alsa-lib
    at-spi2-atk
    at-spi2-core
    atk
    cairo
    cups
    dbus
    expat
    fontconfig
    freetype
    gdk-pixbuf
    glib
    gtk3
    libdrm
    libpulseaudio
    libX11
    libxkbcommon
    libXScrnSaver
    libXcomposite
    libXcursor
    libXdamage
    libXext
    libXfixes
    libXi
    libXrandr
    libXrender
    libxshmfence
    libXtst
    libuuid
    mesa
    nspr
    nss
    pango
    pipewire
    udev
    wayland
    xdg-utils
    xorg.libxcb
    zlib
  ];
  
  in
  
  stdenv.mkDerivation rec {
    pname = "brave";
    version = "1.37.116";
  
    src = fetchurl {
      url = "https://github.com/brave/brave-browser/releases/download/v${version}/brave-browser_${version}_amd64.deb";
      sha256 = "HoqmzUyYas5ho9S8ZeXHj+LuNspejuQ69B6HxuKXWtw=";
    };
  
    dontConfigure = true;
  
negative.code:   meta = with lib; {
      homepage = "https://brave.com/";
      description = "Privacy-oriented browser for Desktop and Laptop computers";
      changelog = "https://github.com/brave/brave-browser/blob/master/CHANGELOG_DESKTOP.md#" + replaceStrings [ "." ] [ "" ] version;
      longDescription = ''
        Brave browser blocks the ads and trackers that slow you down,
        chew up your bandwidth, and invade your privacy. Brave lets you
  