anchor.diff:      gdk-pixbuf
       glib
       glib-networking
  +    gcr
       gnome-bluetooth
       gnome-desktop
       gnome-online-accounts
       gnome-remote-desktop # optional, sharing panel
       gnome-settings-daemon
       gnome-user-share # optional, sharing panel
  -    grilo
  -    grilo-plugins # for setting wallpaper from Flickr
       gsettings-desktop-schemas
       gsound
       gtk3
  
positive.code: { fetchurl
  , fetchpatch
  , lib
  , stdenv
  , substituteAll
  
negative.code: , gettext
  , glib
  , glib-networking
  , gcr
  , glibc
  , gnome-bluetooth
  , gnome-color-manager
  