was just trying out the ricotz/staging ppa with a fresh and saucy install aka 13.10
after adding the ppa and update and upgrade got this !
seems the change in Gjs from libgjs0c to libgjs0d breaks gnome-sushi which in turn removes ubuntu-gnome-desktop and gnome-core.Code:The following packages will be REMOVED: gnome-core gnome-sushi libgjs0c libmutter0a ubuntu-gnome-desktop The following NEW packages will be installed: libgjs0d libmutter0b The following packages will be upgraded: clutter-1.0-tests gir1.2-clutter-1.0 gir1.2-clutter-gst-2.0 gir1.2-cogl-1.0 gir1.2-coglpango-1.0 gir1.2-freedesktop gir1.2-glib-2.0 gir1.2-gtk-3.0 gir1.2-mutter-3.0 gjs gnome-accessibility-themes gnome-shell gnome-shell-common gnome-shell-dbg gnome-shell-extensions gnome-themes-standard gnome-themes-standard-data gnome-tweak-tool gobject-introspection gstreamer1.0-clutter libclutter-1.0-0 libclutter-1.0-common libclutter-1.0-dev libclutter-gst-2.0-0 libclutter-gst-2.0-dev libcogl-common libcogl-dev libcogl-pango-dev libcogl-pango12 libcogl12 libgail-3-0 libgail-3-dev libgirepository-1.0-1 libgirepository1.0-dev libgjs-dev libglib2.0-0 libglib2.0-0:i386 libglib2.0-bin libglib2.0-data libglib2.0-dev libglib2.0-doc libgtk-3-0 libgtk-3-bin libgtk-3-common libgtk-3-dev libgtk-3-doc libmutter-dev libvala-0.20-0 mutter mutter-common mutter-dbg valac-0.20 valac-0.20-vapi 53 upgraded, 2 newly installed, 5 to remove and 0 not upgraded. Need to get 37.2 MB of archives. After this operation, 11.1 MB of additional disk space will be used. Do you want to continue [Y/n]?