#!/bin/bash
#
# If iguanaIR runs, signal HUP to start a rescan. If not started, or
# signal fails, restart daemon.

if systemctl --quiet is-active iguanaIR.service; then
    pid=$( systemctl --property=MainPID show iguanaIR.service ) || \
        pid=''
    pid=${pid##*=}
    [ -n "$pid" ] && kill -HUP $pid &>/dev/null && exit 0
fi
systemctl show --property=UnitFileState iguanaIR.service |
    grep -q enabled && \
        systemctl restart iguanaIR.service