#!/sbin/runscript

: ${mqtt_broker:="msg.alpinelinux.org"}
: ${mqtt_topics:="git/aports/$git_branch"}
: ${exec_user:=nobody}

command=/usr/bin/mqtt-exec
pidfile=/var/run/$SVCNAME/mqtt-exec.pid

start() {
	local topic
	checkpath --directory --owner ${exec_user:-nobody} ${pidfile%/*}
	set -- -h ${mqtt_broker} -v
	for topic in $mqtt_topics; do
		set -- "$@" -t "$topic"
	done

	if [ -n "$will_topic" ]; then
		set -- "$@" --will-topic "$will_topic"
	fi
	if yesno "$will_retain"; then
		set -- "$@" --will-retain
	fi
	if [ -n "$will_payload" ]; then
		set -- "$@" --will-payload "$will_payload"
	fi
	if [ -n "$will_qos" ]; then
		set -- "$@" --will-qos "$will_qos"
	fi

	ebegin "Starting $SVCNAME"
	start-stop-daemon --start --stdout /dev/null --stderr /dev/null \
		--background --make-pid --user ${exec_user} \
		--pidfile ${pidfile} \
		--exec $command \
		-- "$@" \
		-- ${exec_command}
	eend
}