---
- name: Clone Drush from GitHub.
  git:
    repo: https://github.com/drush-ops/drush.git
    dest: "{{ drush_install_path }}"
    version: "{{ drush_version }}"
    update: "{{ drush_keep_updated }}"
    force: "{{ drush_force_update }}"
  register: drush_clone

- name: Check for composer.json
  stat: path={{ drush_install_path }}/composer.json
  register: drush_composer

# See: https://github.com/geerlingguy/ansible-role-drush/issues/6
- name: Ensure Drush can be installed on Debian Wheezy.
  shell: >
    {{ composer_path }} update {{ drush_composer_cli_options }}
    chdir={{ drush_install_path }}
  when: drush_clone.changed and ansible_distribution == "Debian" and ansible_distribution_release == "wheezy" and drush_composer.stat.exists

- name: Install Drush dependencies with Composer.
  shell: >
    {{ composer_path }} install {{ drush_composer_cli_options }}
    chdir={{ drush_install_path }}
  when: drush_clone.changed and drush_composer.stat.exists

- name: Create drush symlink.
  file:
    src: "{{ drush_install_path }}/drush"
    dest: "{{ drush_path }}"
    state: link

- name: Run drush to finish setting it up.
  command: "{{ drush_path }}"
  register: drush_result
  changed_when: "'Execute a drush command' not in drush_result.stdout"
  become: no