app.yml

---
- name: Test if this app is already installed
  stat: path={{ app.args.path }}
  register: yunohost_app_installed

- name: Install app
  shell: yunohost app install {{ app.link }} --args "{% for key, value in app.args.items() %}{{key}}={{value}}{% if not loop.last %}&{% endif %}{% endfor %}"
  when: yunohost_app_installed.stat.exists == False