---

- name: Check if Composer is installed
  tags: composer
  stat:
    path: /usr/local/bin/composer
  register: composer_bin

- block:
    - name: Download Composer into tmp directory
      get_url:
        url: https://getcomposer.org/installer
        dest: "{{ php_composer_install_file }}"
        checksum: "{{ php_composer_checksum }}"

    - name: Run Composer installer
      command: "
        php {{ php_composer_install_file }}
        --install-dir=/usr/local/bin
        --filename=composer
        --version={{ php_composer_version }}
      "

    - name: Delete composer installer
      file:
        path: "{{ php_composer_install_file }}"
        state: absent
  tags: composer
  when: not composer_bin.stat.exists

- name: Update composer if necessary
  tags: composer
  shell: composer selfupdate
  register: composer_update_output
  changed_when: "'Updating to version' in composer_update_output.stdout"
  when: php_composer_update | bool