---
- name: Install packages
  ansible.builtin.package:
    name: firefox
    state: installed

- name: Create preferences directory
  ansible.builtin.file:
    path: /usr/lib64/firefox/defaults/preferences
    state: directory
    mode: "0755"
    owner: root
    group: "{{ ansible_wheel }}"

- name: Install default settings
  ansible.builtin.copy:
    dest: /usr/lib64/firefox/defaults/preferences/00-foo.sh.js
    src: foo.sh.js
    mode: "0644"
    owner: root
    group: "{{ ansible_wheel }}"