anchor.diff:      if stdenv.hostPlatform.system == "x86_64-linux" then
         fetchurl {
           url = "https://downloads.mongodb.com/compass/mongodb-compass_${version}_amd64.deb";
  -        sha256 = "0x23jshnr0rafm5sn2vhq2y2gryg8mksahzyv5fszblgaxay234p";
  +        sha256 = "085xq1ik8kyza1kq9kn0pf98zk6g2qa21clxhn48rgnqk20aninv";
         }
       else
         throw "MongoDB compass is not supported on ${stdenv.hostPlatform.system}";
  
positive.code:     glib
      gnome2.GConf
      gnome2.gdk_pixbuf
      gnome2.gtk
      gnome2.pango
      libnotify
      libxcb
  
negative.code: { stdenv, fetchurl, dpkg
  , alsaLib, atk, cairo, cups, curl, dbus, expat, fontconfig, freetype, glib
  , gnome2, gnome3, libnotify, libxcb, nspr, nss, systemd, xorg }:
  
  let
  
    version = "1.17.0";
  
    rpath = stdenv.lib.makeLibraryPath [
      alsaLib
  