anchor.diff:  { fetchurl
  -, fetchpatch
   , lib
   , stdenv
   , substituteAll
  
positive.code: , gettext
  , glib
  , glib-networking
  , glibc
  , gnome-bluetooth
  , gnome-color-manager
  
negative.code:     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
      gsettings-desktop-schemas
      gsound
      gtk3
  