- name: Download {{ iiab_download_url }}/{{ dokuwiki_version }}.tgz    # iiab_download_url is http://download.iiab.io/packages
  get_url:
    url: "{{ iiab_download_url }}/{{ dokuwiki_version }}.tgz"
    dest: "{{ downloads_dir }}/"
    timeout: "{{ download_timeout }}"
  when: internet_available | bool

- name: Unarchive (unpack) it to /library/{{ dokuwiki_version }}
  unarchive:
    src: "{{ downloads_dir }}/{{ dokuwiki_version }}.tgz"
    dest: /library
    creates: "/library/{{ dokuwiki_version }}/VERSION"

- name: Ensure dir /library/{{ dokuwiki_version }} is owned by {{ apache_user }} with 644/755 permissions
  file:
    path: "/library/{{ dokuwiki_version }}"
    owner: "{{ apache_user }}"
    mode: u+rw,go+r,go-w    # '0755' had forced 'x' bits for non-dirs
    state: directory
    recurse: yes

- name: Symlink /library/dokuwiki -> /library/{{ dokuwiki_version }}
  #shell: if [ ! -d /library/dokuwiki ]; then ln -sf /library/{{ dokuwiki_version }} /library/dokuwiki; fi
  #shell: ln -sf /library/{{ dokuwiki_version }} /library/dokuwiki
  #BOTH LINES ABOVE FAIL TO UPDATE LINK; Ansible approach below works
  file:
    src: /library/{{ dokuwiki_version }}
    path: /library/dokuwiki
    state: link
    force: yes

- name: Install /etc/{{ apache_config_dir }}/dokuwiki.conf from template, for DokuWiki's http://box{{ dokuwiki_url }}
  template:
    src: dokuwiki.conf.j2
    dest: "/etc/{{ apache_config_dir }}/dokuwiki.conf"

# - name: Symlink /etc/apache2/sites-enabled/dokuwiki.conf to /etc/apache2/sites-available/dokuwiki.conf if dokuwiki_enabled (debuntu)
#   file:
#     src: /etc/apache2/sites-available/dokuwiki.conf
#     path: /etc/apache2/sites-enabled/dokuwiki.conf
#     state: link
#   when: dokuwiki_enabled and is_debuntu
#
# - name: Remove symlink /etc/apache2/sites-enabled/dokuwiki.conf if not dokuwiki_enabled (debuntu)
#   file:
#     path: /etc/apache2/sites-enabled/dokuwiki.conf
#     state: absent
#   when: not dokuwiki_enabled and is_debuntu

- name: "Add 'dokuwiki_installed: True' to {{ iiab_state_file }}"
  lineinfile:
    dest: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
    regexp: '^dokuwiki_installed'
    line: 'dokuwiki_installed: True'