POSTIN

/bin/sh

/sbin/ldconfig
update-mime-database /usr/share/mime &>/dev/null || :
update-desktop-database /usr/share/applications &> /dev/null || :

POSTUN

/bin/sh

/sbin/ldconfig
update-mime-database /usr/share/mime &>/dev/null || :
update-desktop-database /usr/share/applications &> /dev/null || :