---
- name: Ensure dirmngr is installed (gnupg dependency).
  apt:
    name: dirmngr
    state: present

- apt_repository:
    repo: ppa:nginx/stable
    state: absent

- name: add nginx public key
  apt_key: url=https://nginx.org/keys/nginx_signing.key
           state=present
  register: nginx_repo_added
  when: nginx_repo_use | bool

- name: add nginx stable repository
  apt_repository: repo='deb http://nginx.org/packages/{{ '/mainline' if nginx_repo_mainline else ''}}ubuntu {{ ansible_distribution_release }} nginx'
                  state=present
                  mode=0644
                  update_cache=true
  register: nginx_repo_added
  when: nginx_repo_use | bool

- name: Ensure nginx will reinstall if the repo was just added.
  apt:
    name: nginx
    state: absent
  when: nginx_repo_added is changed
  tags: ['skip_ansible_lint']