Add success file detection; put stuff in block

playbooks/rear_backup.yml

@@ -11,14 +11,28 @@
 
 
   tasks:
-    - name: Include the backup role
-      ansible.builtin.include_role:
-        name: ../roles/rear_backup
+    - name: Check for backup success file
+      ansible.builtin.stat:
+        path: "{{ standalone_backup_success_file }}"
+      register: standalone_backup_success
+
+    - name: End if backup for Bigboot already exists
+      ansible.builtin.meta: end_host
+      when:
+        - standalone_backup_success['stat']['exists'] | bool
+        - not rear_force_backup | default(false) | bool
+
+
+    - name: Perform ReaR Backup and write success log
       when:
         - ansible_distribution_major_version >= '7'
         - not rear_backup_skip | default(false) | bool
+      block:
+        - name: Include the backup role
+          ansible.builtin.include_role:
+            name: ../roles/rear_backup
 
-    - name: Verify ReaR backup log is present
+        - name: Confirm ReaR backup log is present
           ansible.builtin.stat:
             path: "/var/log/rear/rear-{{ ansible_hostname }}.log"
           register: rear_backup_log_stat