matrix-docker-ansible-deploy/roles/matrix-bridge-appservice-irc/tasks/init.yml

- set_fact:
    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-appservice-irc'] }}"
  when: matrix_appservice_irc_enabled|bool

# If the matrix-synapse role is not used, these variables may not exist.
- set_fact:
    matrix_synapse_container_extra_arguments: >
      {{ matrix_synapse_container_extra_arguments|default([]) }}
      +
      {{ ["--mount type=bind,src={{ matrix_appservice_irc_base_path }}/registration.yaml,dst=/matrix-appservice-irc-registration.yaml,ro"] }}

    matrix_synapse_app_service_config_files: >
      {{ matrix_synapse_app_service_config_files|default([]) }}
      +
      {{ ["/matrix-appservice-irc-registration.yaml"] }}
  when: matrix_appservice_irc_enabled|bool