Currently only app-install-data and app-install-data-commercial provide application data. So the cache needs to be updated after their installation.
I am unsure if it's worth the effort to implement an idle time handling. Furthermore I don't know of any existing infrastructure. -- g-a-i postinst fails if X is not running https://launchpad.net/bugs/59403 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
