# arg 1:  the new package version
post_install() {
    if [ -z "`grep '^rbldns::' /etc/group`" ]; then
	groupadd -g 58 rbldns >& /dev/null
    fi
    if [ -z "`grep '^rbldns:' /etc/passwd`" ]; then
	useradd -u 58 -d /var/lib/rbldns -g rbldns -s /bin/false rbldns
    fi
    if [ -z "`grep '^rbldnszones::' /etc/group`" ]; then
	groupadd -g 59 rbldnszones >& /dev/null
    fi
    if [ -z "`grep '^rbldnszones:' /etc/passwd`" ]; then
	useradd -u 59 -d /var/lib/rbldns -g rbldnszones -s /bin/false rbldnszones
    fi
}

# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
    post_install $1
}

# arg 1:  the old package version
pre_remove() {
    userdel rbldns &> /dev/null
    groupdel rbldns &> /dev/null
    userdel rbldnszones &> /dev/null
    groupdel rbldnszones &> /dev/null
}