---
- name: add repository key
  copy:
    src: repo.gpg
    dest: /etc/apt/trusted.gpg.d/tor-project.gpg
  register: apt_repo_tor_project_key

- name: add repository entry
  copy:
    content: |
      deb [arch=amd64] http://deb.torproject.org/torproject.org {{ ansible_distribution_release }} main
    dest: /etc/apt/sources.list.d/tor-poject.list
  register: apt_repo_tor_project_sources

- name: update apt cache
  when: apt_repo_tor_project_key is changed or
        apt_repo_tor_project_sources is changed
  apt:
    update_cache: yes