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#!/bin/sh add_dnsmasq_user() { if ! getent passwd dnsmasq >/dev/null; then useradd -r -d / -c 'dnsmasq daemon' -s /sbin/nologin dnsmasq fi } post_install() { add_dnsmasq_user } post_upgrade() { add_dnsmasq_user } post_remove() { if getent passwd dnsmasq >/dev/null; then userdel dnsmasq fi }