Unity is a registered XDG environment [1]. Unity uses xdg-user-dirs-gtk-update so the .desktop file should add it to its OnlyShowIn value. This isn't particularly relevant this second, but will be once the patch in GNOME bug 653440 lands. [1] http://standards.freedesktop.org/menu-spec/latest/apb.html
Created attachment 48652 [details] [review] Add Unity
pushed
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.