anchor.diff:  
   
   in stdenv.mkDerivation rec {
  -    name = "brave";
  +    name = "brave-${version}";
       version = "0.56.12";
   
       src = fetchurl {
  
positive.code:   gdk_pixbuf,
    glib,
    gnome2,
    gtk3,
    libuuid,
    libX11,
  
negative.code:     dontBuild = true;
      dontPatchELF = true;
  
      nativeBuildInputs = [ dpkg wrapGAppsHook ];
  
      buildInputs = [ glib gnome3.gsettings_desktop_schemas gnome3.defaultIconTheme ];
  
      unpackPhase = "dpkg-deb --fsys-tarfile $src | tar -x --no-same-permissions --no-same-owner";
  
      installPhase = ''
          mkdir -p $out $out/bin
  
          cp -R usr/share $out
          cp -R opt/ $out/opt
  
          export BINARYWRAPPER=$out/opt/brave.com/brave/brave-browser
  