Task addition for idempotency

tasks/capture_boot_device_details.yml

@@ -34,6 +34,12 @@
         success_msg: The /boot partition is already at the desired size
 
   rescue:
+    - name: "End host if /boot is already at or above {{ bigboot_size_min }}"
+      ansible.builtin.fail:
+        msg: "/boot partition size is already at least {{ bigboot_size_min }} or greater. Nothing to do."
+      when:
+        - bigboot_boot_partsize | human_to_bytes > bigboot_size_min | int
+
     - name: Set flag for Bigboot execution
       ansible.builtin.set_fact:
         bigboot_execute_bigboot: true