Fix primary group task

defaults/main.yml

@@ -49,7 +49,7 @@ users_home: /home
 # create user's home directory
 users_home_create: yes
 # default user's primary group for users
-users_group:
+users_group: ""
 # default user's secondary groups
 users_groups: []
 # default user's home directory permissions

tasks/manage.yml

@@ -4,17 +4,17 @@
   ansible.builtin.group:
     name: "{{ users_group }}"
     state: present
-  when: users_group is defined and users_group
+  when: users_group is defined and users_group | length | bool
 
 - name: Adding secondary groups
   ansible.builtin.group:
     name: "{{ item }}"
     state: present
-  with_items: "{{ users_groups | default([]) }}"
+  loop: "{{ users_groups | default([]) }}"
 
 - name: Configure users
-  include_tasks: manage_user.yml
-  with_items: "{{ users }}"
+  ansible.builtin.include_tasks: manage_user.yml
+  loop: "{{ users }}"
   loop_control:
     loop_var: user
 
@@ -23,4 +23,4 @@
     name: "{{ item.username if item.username is defined else item }}"
     state: absent
     remove: "{{ item.remove if item.remove is defined else omit }}"
-  with_items: "{{ users_remove }}"
+  loop: "{{ users_remove }}"