archlinux-ansible/roles/paru/tasks/main.yml

---
- name: Install rust.
  pacman:
    name: rustup
    state: present
    update_cache: true

- name: Install stable rust toolchain.
  become: true
  become_user: "{{ user_name }}"
  command: rustup default stable
  changed_when: '"unchanged" not in result.stdout'
  register: result

- name: Install paru.
  become: true
  become_user: "{{ user_name }}"
  aur:
    name: paru
    state: present