post_install() {
	[ -x `which update-mime-database` ] &&  update-mime-database usr/share/mime
	[ -x `which gtk-update-icon-cache` ] && gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
	/bin/true
}

post_upgrade() {
	post_install $1
}

post_remove() {
	post_install $1
}