anchor.diff:    pname = "gnome-shell";
     version = "3.36.4";
   
  +  outputs = [ "out" "devdoc" ];
  +
     src = fetchurl {
       url = "mirror://gnome/sources/gnome-shell/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
       sha256 = "1nyibrr98ijn65z9ki0k7xzcwcliwy2jqssz0l0jalpbkhnr751d";
  
positive.code: , librsvg
  , geoclue2
  , perl
  , docbook_xml_dtd_42
  , desktop-file-utils
  , libpulseaudio
  , libical
  
negative.code: , python3
  , polkit
  , networkmanager
  , gtk-doc
  , docbook-xsl-nons
  , at-spi2-core
  , libstartup_notification
  