- name: Check if composer is already installed.
  stat: path="{{ composer_bin_location }}"
  register: composer_bin

- name: Download Composer.
  get_url:
    url: "{{ composer_url }}"
    dest: "/home/ansible/composer-setup.php"
    mode: 0700
    checksum: "sha384: {{ lookup('url', composer_sig_url).split(' ')[0] }}"
  when: composer_bin.stat.exists == false

- name: Install Composer.
  shell: 'php /home/ansible/composer-setup.php --install-dir={{ composer_install_dir | quote }} --filename={{ composer_filename | quote }} --quiet'
  when: composer_bin.stat.exists == false

- name: Remove Composer installer.
  file:
    path: "/home/ansible/composer-setup.php"
    state: absent
  when: composer_bin.stat.exists == false