scripts/ci: move build-environment.yaml up a level

We can share the setup of the build environment with multiple
operating systems as we just need to check the YAML for each env is
present in the directory structure.

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-ID: <20251027110344.2289945-4-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

scripts/ci/setup/build-environment.yml

@@ -27,18 +27,24 @@
         - ansible_facts['distribution'] == 'Ubuntu'
 
     # the package lists are updated by "make lcitool-refresh"
-    - name: Include package lists based on OS and architecture
-      include_vars:
-        file: "ubuntu-2404-{{ ansible_facts['architecture'] }}.yaml"
+    - name: Define package list file path
+      set_fact:
+        package_file: "ubuntu/ubuntu-2404-{{ ansible_facts['architecture'] }}.yaml"
       when:
         - ansible_facts['distribution'] == 'Ubuntu'
         - ansible_facts['distribution_version'] == '24.04'
 
+    - name: Include package lists based on OS and architecture
+      include_vars:
+        file: "{{ package_file }}"
+      when:
+        - package_file is exists
+
     - name: Install packages for QEMU on Ubuntu 24.04
       package:
         name: "{{ packages }}"
       when:
-        - ansible_facts['distribution'] == 'Ubuntu'
-        - ansible_facts['distribution_version'] == '24.04'
+        - package_file is exists
+        - packages is defined