PREIN

/bin/sh

if ! getent group arpwatch &> /dev/null; then
	getent group pcap 2> /dev/null | grep -q 77 &&
		/usr/sbin/groupmod -n arpwatch pcap 2> /dev/null ||
		/usr/sbin/groupadd -g 77 arpwatch 2> /dev/null
fi
if ! getent passwd arpwatch &> /dev/null; then
	getent passwd pcap 2> /dev/null | grep -q 77 &&
		/usr/sbin/usermod -l arpwatch -g 77 \
			-d /var/lib/arpwatch pcap 2> /dev/null ||
		/usr/sbin/useradd -u 77 -g 77 -s /sbin/nologin \
			-M -r -d /var/lib/arpwatch arpwatch 2> /dev/null
fi
:

PREUN

/bin/sh

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

POSTIN

/bin/sh

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

POSTUN

/bin/sh

/usr/bin/systemctl daemon-reload >/dev/null 2>&1 || : 
if [ $1 -ge 1 ] ; then 
        # Package upgrade, not uninstall 
        /usr/bin/systemctl try-restart arpwatch.service >/dev/null 2>&1 || : 
fi