post_install() {
    gtk-update-icon-cache -q -t -f usr/share/icons/hicolor
    update-desktop-database -q
    update-mime-database usr/share/mime &> /dev/null

    usr/bin/gtk-query-immodules-2.0 --update-cache
    usr/bin/gtk-query-immodules-3.0 --update-cache
}

post_upgrade() {
    post_install
}

post_remove() {
    post_install
}