---
- name: Add PPA for Nginx.
  apt_repository:
    repo: 'ppa:nginx/{{ nginx_ppa_version }}'
    state: present
    update_cache: true
  register: nginx_ppa_added
  when: nginx_ppa_use

- name: Ensure nginx will reinstall if the PPA was just added.
  apt:
    name: nginx
    state: absent
  when: nginx_ppa_added.changed