more logic fixes

bigboot_rear_backup.yml

@@ -2,4 +2,6 @@
 - name: Perform a ReaR backup if any disk modifications are to be made
   ansible.builtin.import_playbook: rhc.rear.rear_backup
   when:
+    - (bigboot_data[inventory_hostname]['bigboot_execute_shrink_lv'] | bool
+        or bigboot_data[inventory_hostname]['bigboot_execute_bigboot'] | bool)
     - not bigboot_rear_backup_skip | default(false) | bool

bigboot_setup_environment.yml

@@ -29,6 +29,10 @@
     - name: Capture logical volume information
       ansible.builtin.import_tasks: tasks/capture_lv_device_details.yml
 
+    - name: Set ReaR backup flag
+      ansible.builtin.set_fact:
+        bigboot_rear_backup_skip:
+
     - name: Set environment for subsequent workflow nodes
       ansible.builtin.set_stats:
         data:
@@ -42,10 +46,13 @@
                 'bigboot_size': bigboot_size
               }
             }) }}"
+          rear_backup_skip: bigboot_rear_backup_skip | default(false)
 
     - name: Execute ReaR backup
       ansible.builtin.include_tasks: bigboot_rear_backup.yml
       when:
+        - (bigboot_data[inventory_hostname]['bigboot_execute_shrink_lv'] | bool
+            or bigboot_data[inventory_hostname]['bigboot_execute_bigboot'] | bool)
         - not bigboot_rear_backup_skip | default(false) | bool