pre_remove() {
    nordvpn stop
}

post_upgrade() {
    if [ $(find /etc/openvpn/client -name 'nordvpn_*p.conf' | wc -l) -eq 0 ];
    then
        echo "Config files outdated."
        nordvpn update -f
    fi
}

post_remove() {
    rm -rf /etc/openvpn/client/nordvpn
    find /etc/openvpn/client -name 'nordvpn_*.conf' | xargs -r rm
}