anchor.diff: -{ stdenv, fetchFromGitHub
  +{ stdenv, fetchFromGitHub, makeWrapper
   , pkgconfig, which, perl, libXrandr
   , cairo, dbus, systemd, gdk_pixbuf, glib, libX11, libXScrnSaver
   , libXinerama, libnotify, libxdg_basedir, pango, xproto, librsvg
  
positive.code:     sha256 = "1kqlshaflp306yrjjmc28pghi1y5p24vdx4bxf8i4n9khdawb514";
    };
  
    nativeBuildInputs = [ perl pkgconfig which systemd ];
  
    buildInputs = [
      cairo dbus gdk_pixbuf glib libX11 libXScrnSaver
  
negative.code:     "SERVICEDIR_SYSTEMD=$(out)/lib/systemd/user"
    ];
  
    postInstall = ''
      wrapProgram $out/bin/dunst \
        --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE"
    '';
  
    meta = with stdenv.lib; {
      description = "Lightweight and customizable notification daemon";
      homepage = https://dunst-project.org/;
  