Only create /run/mosquitto at runtime.

Per policy, packages shouldn't contain directories in /run. This means
/run/mosquitto should be created at boot time. Closes #983429.

debian/changelog

@@ -2,6 +2,8 @@ mosquitto (2.0.8-2) unstable; urgency=medium
 
   * Remove debian-config.patch, this is already handled with
     debian/mosquitto.conf
+  * Per policy, packages shouldn't contain directories in /run. This means
+    /run/mosquitto should be created at boot time. Closes #983429.
 
  -- Roger A. Light <roger@atchoo.org>  Sun, 28 Feb 2021 23:22:57 +0000
 

debian/mosquitto.dirs

@@ -1,3 +1,2 @@
 var/lib/mosquitto
 var/log/mosquitto
-/run/mosquitto

debian/mosquitto.init

@@ -44,6 +44,8 @@ case "$1" in
 	    exit 1
 	fi
 	log_daemon_msg "Starting network daemon:" "mosquitto"
+	mkdir -m 740 -p /run/mosquitto
+	chown mosquitto: /run/mosquitto
 	if start-stop-daemon --start --quiet --oknodo --background  --make-pidfile --pidfile ${PIDFILE} --exec ${DAEMON} -- -c /etc/mosquitto/mosquitto.conf ; then
 	    log_end_msg 0
 	else

debian/mosquitto.postinst

@@ -17,7 +17,6 @@ setup_mosquitto_user() {
 
 fix_permissions() {
 	chown mosquitto /var/lib/mosquitto
-	chown mosquitto /run/mosquitto
 	test ! -e /var/log/mosquitto || chown mosquitto /var/log/mosquitto
 	test ! -e /var/log/mosquitto/mosquitto.log || chown mosquitto /var/log/mosquitto/mosquitto.log
 }