don't create a backupfile with a double dot

tasks/conf_edited.yml

@@ -13,7 +13,7 @@
 
     - name: "Set a fact for the MariaDB configuration file backup path for {{ mariadb_cnf.path }}"
       ansible.builtin.set_fact:
-        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/.{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
+        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/{% if mariadb_cnf.path | ansible.builtin.basename is not regex('^[.]') %}.{% endif %}{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
 
     - name: "MariaDB configuration file backup present {{ mariadb_cnf_file_path_backup }}"
       ansible.builtin.copy:

tasks/conf_templated.yml

@@ -11,9 +11,9 @@
 - name: MariaDB configuration file templated
   block:
 
-    - name: Set a fact for the MariaDB configuration file backup path
+    - name: "Set a fact for the MariaDB configuration file backup path for {{ mariadb_cnf.path }}"
       ansible.builtin.set_fact:
-        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/.{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
+        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/{% if mariadb_cnf.path | ansible.builtin.basename is not regex('^[.]') %}.{% endif %}{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
 
     - name: MariaDB configuration file backup present
       ansible.builtin.copy:

tasks/conf_underscore.yml

@@ -11,9 +11,9 @@
 - name: Change dashes to underscores in MariaDB configuration files
   block:
 
-    - name: Set a fact for the MariaDB configuration file backup path
+    - name: "Set a fact for the MariaDB configuration file backup path for {{ mariadb_cnf.path }}"
       ansible.builtin.set_fact:
-        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/.{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
+        mariadb_cnf_file_path_backup: "{{ mariadb_cnf.path | ansible.builtin.dirname }}/{% if mariadb_cnf.path | ansible.builtin.basename is not regex('^[.]') %}.{% endif %}{{ mariadb_cnf.path | ansible.builtin.basename }}.{{ ansible_date_time.iso8601_basic_short }}.bak"
 
     - name: MariaDB configuration file backup present
       ansible.builtin.copy: