updated tasks so they are only run once

tasks/pkgs/hyprwayland_scanner.yml

@@ -1,6 +1,22 @@
-- name: Append to pkg_sys and pkg_src
+# vim: set filetype=yaml.ansible :
+---
+- name: Add hyprwayland-scanner
   when:
-    - ansible_os_family == 'RedHat'
-  ansible.builtin.set_fact:
-    pkg_sys: "{{ pkg_sys + hyprwayland_scanner.build_deps }}"
-    pkg_src: "{{ pkg_src + ['hyprwayland_scanner'] }}"
+    - hyprwayland_scanner_configured is undefined
+  block:
+    - name: Load hyprwayland-scanner config
+      when:
+        - hyprwayland_scanner is undefined
+      ansible.builtin.include_tasks:
+        file: config/hyprwayland_scanner.yml
+
+    - name: Append to pkg_sys and pkg_src
+      when:
+        - ansible_os_family == 'RedHat'
+      ansible.builtin.set_fact:
+        pkg_sys: "{{ pkg_sys + hyprwayland_scanner.build_deps }}"
+        pkg_src: "{{ pkg_src + ['hyprwayland_scanner'] }}"
+
+    - name: Set hyprwayland_scanner_configured
+      ansible.builtin.set_fact:
+        hyprwayland_scanner_configured: true