matrix-docker-ansible-deploy/roles/custom/matrix_playbook_migration/tasks/validate_config.yml

---

- name: (Deprecation) Catch and report renamed Matrix playbook settings
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).
  when: "item.old in vars"
  with_items:
    - {'old': 'matrix_vars_yml_snapshotting_enabled', 'new': 'devture_playbook_state_preserver_vars_preservation_enabled'}
    - {'old': 'matrix_vars_yml_snapshotting_src', 'new': 'devture_playbook_state_preserver_vars_preservation_src'}
    - {'old': 'matrix_playbook_commit_hash_preservation_enabled', 'new': 'devture_playbook_state_preserver_commit_hash_preservation_enabled'}