#!/bin/sh

# sysvinit
if /usr/lib/nagios/plugins/check_procs -w 1: -u root -C shutdown > /dev/null; then
	exit 0
fi
# jessie
if pgrep -u root -fx /lib/systemd/systemd-shutdownd > /dev/null; then
	exit 0
fi
# stretch
if busctl get-property org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager ScheduledShutdown 2> /dev/null | awk '$3 > 0 { t=$3 } END { exit (t == 0)}'; then
	exit 0
fi
exit 1