ansible-collection-rear/roles/rear_grub_cfg/tasks/main.yml

---
- name: Update menu item for ReaR in Grub config
  ansible.builtin.lineinfile:
    path: "{{ rear_vars_grub_conf }}"
    regexp: '^menuentry '
    line: "menuentry '{{ rear_vars_grub_label }}' --class os {"
    state: present
  notify: Update Grub