#!/bin/sh

echo "---Hyperion ambient light preinst ---"

# search for users in system, returns first entry
FOUND_USR=`who | grep -o -m1 '^\w*\b'` || "root"

# stop running daemon before we install/upgrade
if pgrep hyperiond > /dev/null 2>&1
then
	if grep -m1 systemd /proc/1/comm > /dev/null
	then
		echo "--> stop init deamon: systemd"
		# systemd
		systemctl stop hyperion hyperiond"@${FOUND_USR}" hyperion"@${FOUND_USR}" "hyperiond@root" "hyperion@root" 2> /dev/null
	elif [ -e /sbin/initctl ]
	then
		echo "--> stop init deamon: upstart"
		# upstart
		initctl stop hyperiond 2>/dev/null
		initctl stop hyperion 2>/dev/null
	else
		echo "--> stop init deamon: sysV"
		# sysV
		service hyperiond stop 2>/dev/null
		service hyperion stop 2>/dev/null
	fi
fi

# In case we don't use a service kill all instances
killall hyperiond 2> /dev/null

exit 0