Add support for post-provision tasks

default.config.yml

@@ -74,3 +74,7 @@ mas_email: ""
 mas_password: ""
 
 osx_script: "~/.osx --no-restart"
+
+# Glob pattern to ansible task files that will run after all other tasks have
+# finished.
+post_provision_tasks: []

main.yml

@@ -27,3 +27,9 @@
 
     - include: tasks/osx.yml
       when: configure_osx
+
+    - name: Run configured post-provision ansible task files.
+      include: "{{ outer_item }}"
+      loop_control:
+        loop_var: outer_item
+      with_fileglob: "{{ post_provision_tasks|default(omit) }}"