#!/bin/sh set -e case "$1" in install) if ! getent group flarm >/dev/null; then addgroup --quiet --system flarm fi if ! getent passwd flarm >/dev/null; then adduser --system --ingroup flarm --home /var/spool/flarm \ --gecos "Flarmradar User" --shell /bin/sh flarm usermod -a -G tty,dialout flarm fi ;; upgrade|abort-upgrade) ;; *) echo "preinst called with unknown argument \`$1'" >&2 exit 0 ;; esac exit 0