ansible-role-borg-backup/tasks/02_user_management.yml

---
# So in different positions in that role we need the user home
# Since we cannot be sure that this FSH is compatible we will determine it.
- name: Get home dir
  when:
    - borg_user == "root"
  block:
    - name: Get home if borg_user == "root"
      ansible.builtin.user:
        name: "{{ borg_user }}"
        state: present
      register: user_info
      changed_when: false
      check_mode: true  # Important, otherwise user will be created

    - name: Save the user_info, we need them for the home_dir
      ansible.builtin.set_fact:
        backup_user_info: "{{ user_info }}"

- name: Create user if borg_user != "root"
  when:
    - borg_user != "root"
  ansible.builtin.include_tasks:
    file: noauto_create_backup_user_and_group.yml
...