ansible-role-borg-backup/tasks/01_install.yml

---
- name: Install borgbackup
  block:
    - name: Ensure legacy hooks aren't used
      ansible.builtin.assert:
        that:
          - borgmatic_failure_command is undefined
          - borgmatic_before_backup_command is undefined
          - borgmatic_after_backup_command is undefined
        msg: Please use the new borgmatic_hooks variable instead of individual before/after/failure hooks.

    - name: Include OS-specific variables
      include_vars: "{{ item }}"
      with_first_found:
        - "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml"
        - "{{ ansible_os_family }}-{{ ansible_distribution_major_version }}.yml"
        - "{{ ansible_distribution }}.yml"
        - "{{ ansible_os_family }}.yml"
        - "{{ ansible_lsb.id }}.yml"

    - name: Install general dependencies (openssh)
      ansible.builtin.package:
        name: "{{ borg_dep_packages }}"
        state: present

    - name: Install Borg and Borgmatic
      ansible.builtin.include_tasks:
        file: noauto_install_{{ borg_install_method }}.yml
...