hyperion.ng/cmake/package-scripts/preinst

#!/bin/sh

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

# 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
		# systemd
		echo "--> stop init deamon: systemd"
		CURRENT_SERVICE=$(systemctl list-units --all | { grep -o "hyperion*.*\.service" || true; })
		if [ ! -z ${CURRENT_SERVICE} ]; then
			systemctl stop "${CURRENT_SERVICE}" 2> /dev/null
		else
			FOUND_USR=`who | grep -o -m1 '^\w*\b'` || "root"
			systemctl stop hyperion hyperiond"@${FOUND_USR}" hyperion"@${FOUND_USR}" "hyperiond@root" "hyperion@root" 2> /dev/null
		fi
	elif [ -e /sbin/initctl ]
	then
		# upstart
		echo "--> stop init deamon: upstart"
		initctl stop hyperiond 2>/dev/null
		initctl stop hyperion 2>/dev/null
	else
		# sysV
		echo "--> stop init deamon: 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