---

- name: Check if docker-compose is installed
  stat: path=/usr/local/bin/docker-compose
  register: docker_compose_bin
  tags: docker

- name: Detect docker-compose version
  shell: docker-compose -v | perl -ne '/version (\d+(\.\d+)+),/ && print "$1\n"'
  register: docker_compose_current_version
  changed_when: False
  when: docker_compose_bin.stat.exists
  tags: docker

- name: Remove docker-compose
  file: path=/usr/local/bin/docker-compose state=absent
  when: docker_compose_bin.stat.exists and docker_compose_current_version.stdout != docker_compose_version
  tags: docker

- name: Install docker-compose
  get_url:
    url:  https://github.com/docker/compose/releases/download/v{{ docker_compose_version }}/docker-compose-Linux-x86_64
    dest: /usr/local/bin/docker-compose
    mode: 0755
    checksum: sha256:{{ docker_compose_bin_sha256 }}
  environment:
    - https_proxy: "{{ system_proxy | default('') }}"
  tags: docker