archwiki: restart archwiki-runjobs-wait on upgrade

This fixes the unexpanded magic words in mails that we sometimes see.

roles/archwiki/handlers/main.yml

@@ -6,6 +6,9 @@
   become: true
   become_user: "{{ archwiki_user }}"
 
+- name: Restart archwiki-runjobs-wait
+  service: name=archwiki-runjobs-wait state=restarted
+
 # The nginx proxy/fastcgi cache can be cleared by simply deleting all files in
 # the cache directory. It is important to keep the directory tree intact,
 # otherwise nginx will spit errors into the log until it is restarted (even

roles/archwiki/tasks/main.yml

@@ -56,6 +56,9 @@
   become_user: "{{ archwiki_user }}"
   notify:
     - Run wiki updatescript
+    # archwiki updates often break magic words in mails, leaving them
+    # unexpanded until the archwiki-runjobs-wait service is restarted
+    - Restart archwiki-runjobs-wait
     # purge the nginx cache and MediaWiki file cache to make sure clients get updated assets
     # as well as freshly rendered pages using the new assets
     - Purge nginx cache