---
# this is a bit silly, but couldn't figure out a better way...

- name: "[backing up vars overwrittern by role]"
  set_fact: {"{{ __role_temp_item__.key }}_backup": "{{ lookup('vars', __role_temp_item__.key, default='') }}"}
  loop: "{{ __role_vars__ | dict2items }}"
  loop_control:
    loop_var: __role_temp_item__

- name: "[setting role vars]"
  set_fact: {"{{ __role_temp_item__.key }}": "{{ __role_temp_item__.value }}"}
  loop: "{{ __role_vars__ | dict2items }}"
  loop_control:
    loop_var: __role_temp_item__

- name: "installing package using role '{{ __role_name__ }}'"
  include_role:
    name: "{{ __role_name__ }}"
  become: "{{ __role_become__ }}"

- name: "[restoring vars overwritten by role]"
  set_fact: {"{{ __role_temp_item__.key }}": "{{ lookup('vars', __role_temp_item__.key + '_backup') }}"}
  loop: "{{ __role_vars__ | dict2items }}"
  loop_control:
    loop_var: __role_temp_item__