package/polkit: add init S50polkit script

The Polkit source does not come with non-systemd init script. Add one that is
modeled after package/busybox/S01syslogd.

Signed-off-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 82712c5862badbc905346afb6ad08c4d4ff47dfb)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/polkit/S50polkit

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+DAEMON="polkitd"
+DAEMON_PATH="/usr/lib/polkit-1/${DAEMON}"
+PIDFILE="/var/run/${DAEMON}.pid"
+POLKITD_ARGS="--no-debug"
+
+# polkitd does not create a pidfile, so pass "-n" in the command line
+# and use "-m" to instruct start-stop-daemon to create one.
+start() {
+	printf 'Starting %s: ' "${DAEMON}"
+	# shellcheck disable=SC2086 # we need the word splitting
+	start-stop-daemon -bmSqp "$PIDFILE" -x ${DAEMON_PATH} -- ${POLKITD_ARGS}
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return "$status"
+}
+
+stop() {
+	printf 'Stopping %s: ' "${DAEMON}"
+	start-stop-daemon -Kqp "$PIDFILE"
+	status=$?
+	if [ "$status" -eq 0 ]; then
+		rm -f "$PIDFILE"
+		echo "OK"
+	else
+		echo "FAIL"
+	fi
+	return "$status"
+}
+
+restart() {
+	stop
+	sleep 1
+	start
+}
+
+case "$1" in
+	start|stop|restart|reload)
+		"$1";;
+	reload)
+		# Restart, since there is no true "reload" feature.
+		restart;;
+	*)
+		echo "Usage: $0 {start|stop|restart|reload}"
+		exit 1
+esac

package/polkit/polkit.mk

@@ -57,4 +57,9 @@ define POLKIT_INSTALL_INIT_SYSTEMD
 
 endef
 
+define POLKIT_INSTALL_INIT_SYSV
+	$(INSTALL) -D -m 0755 package/polkit/S50polkit \
+		$(TARGET_DIR)/etc/init.d/S50polkit
+endef
+
 $(eval $(autotools-package))