Initial commit after reviewing this with Claude Opus.

roles/arch_update/tasks/aur_rebuild.yaml

@@ -1,14 +1,17 @@
-- name:  Get list of AUR Python packages that need to be rebuilt
+- name: Get list of AUR Python packages that need to be rebuilt
   ansible.builtin.shell:
     cmd:
       comm -12 <(pactree -lrud1 {{ package_pattern }} | sort -u) <(pacman -Qqm | sort -u)
+    executable: /bin/bash
   register: aur_packages
-- name:  Rebuild AUR Python packages
+  changed_when: false
+  failed_when: false
+
+- name: Rebuild AUR Python packages
   aur:
-    use:  "{{ aur_helper }}"
-    name:  '{{ item }}'
-    aur_only:  true
-    extra_args:  --rebuild
-  loop:  '{{ aur_packages.stdout.split() }}'
-
-
+    use: "{{ aur_helper }}"
+    name: '{{ item }}'
+    aur_only: true
+    extra_args: --rebuild
+  loop: '{{ aur_packages.stdout_lines | default([]) }}'
+  when: aur_packages.stdout_lines | default([]) | length > 0