role(locale_config): Fix check mode and satisfy linter.

roles/locale_config/tasks/main.yml

@@ -15,19 +15,24 @@
     name: "{{ locale_config_language }}"
 
 - name: get current locale and language configuration
-  register: locale_status
+  register: locale_config_status
   changed_when: false
   ignore_errors: true
   ansible.builtin.command:
     cmd: localectl status
 
-- name: set fact
+- name: remember current LANG config
+  when: not locale_config_status is skipped
   ansible.builtin.set_fact:
-    locale_lang: "{{ locale_status.stdout | regex_search('LANG=([^\n]+)', '\\1') | first }}"
+    locale_config_current: "{{ locale_config_status.stdout | regex_search('LANG=([^\n]+)', '\\1') | first }}"
+
+- name: print current config
+  ansible.builtin.debug:
+    msg: "LANG={{ locale_config_current }}"
 
 - name: set locale to '{{ locale_config_locale }}'
   become: true
-  changed_when: locale_lang != locale_config_locale
+  changed_when: locale_config_current != locale_config_locale
   ansible.builtin.command:
     cmd: localectl set-locale LANG={{ locale_config_locale }}
 
@@ -35,6 +40,6 @@
   become: true
   changed_when: locale_language != locale_config_language
   vars:
-    locale_language: "{{ locale_status.stdout | regex_search('LANGUAGE=([^\n]+)', '\\1') | default([locale_lang], true) | first }}"
+    locale_language: "{{ locale_config_status.stdout | regex_search('LANGUAGE=([^\n]+)', '\\1') | default([locale_config_current], true) | first }}"
   ansible.builtin.command:
     cmd: localectl set-locale LANGUAGE={{ locale_config_language }}