system/tasks/locales.yml

---
- name: Set keymap
  copy:
    content: "KEYMAP={{ arch_base_keymap }}\n"
    dest: /etc/vconsole.conf
    mode: 0644
  notify: Update keymap
  become: true

- name: Generate locales
  locale_gen:
    name: "{{ item }}"
    state: present
  with_items: "{{ arch_base_locales }}"
  become: true

- name: Set locale
  lineinfile:
    dest: /etc/locale.conf
    line: "LANG={{ arch_base_locale }}"
    regexp: "^LANG="
    create: true
    mode: 0644
  become: true

- name: Set timezone
  become: true
  command: timedatectl set-timezone {{ arch_base_timezone }}
  args:
    creates: /etc/localtime