PREIN

/bin/sh

/usr/sbin/useradd -c "Network UPS Tools" -u 57 \
        -s /bin/false -r -d /var/lib/ups nut 2> /dev/null || :
/usr/sbin/usermod -G dialout nut

PREUN

/bin/sh

if [ $1 -eq 0 ] ; then 
        # Package removal, not upgrade 
        /usr/bin/systemctl --no-reload disable nut-monitor.service > /dev/null 2>&1 || : 
        /usr/bin/systemctl stop nut-monitor.service > /dev/null 2>&1 || : 
fi

POSTIN

/bin/sh

/sbin/ldconfig

if [ $1 -eq 1 ] ; then 
        # Initial installation 
        /usr/bin/systemctl preset nut-monitor.service >/dev/null 2>&1 || : 
fi

POSTUN

/bin/sh

/sbin/ldconfig