fix(bootstrap): repair version-specific package availability across distributions

roles/bootstrap/tasks/debian.yml

@@ -10,38 +10,54 @@
         else 'sid' if (os_version | string) == 'unstable'
         else 'trixie'
       }}
-    bootstrap_debian_version_packages: >-
+    bootstrap_debian_package_config: >-
       {{
         lookup('vars', bootstrap_var_key)
+      }}
+    bootstrap_debian_base_packages: >-
+      {{
+        bootstrap_debian_package_config.base
+        | default([])
         | reject('equalto', '')
         | list
       }}
-    bootstrap_debian_base_list: >-
+    bootstrap_debian_extra_packages: >-
       {{
-        bootstrap_debian_base
+        bootstrap_debian_package_config.extra
+        | default([])
         | reject('equalto', '')
         | list
       }}
-    bootstrap_debian_extra_list: "{{ bootstrap_debian_version_packages | difference(bootstrap_debian_base_list) }}"
-    bootstrap_debian_base: "{{ bootstrap_debian_base_list | join(',') }}"
-    bootstrap_debian_extra: >-
+    bootstrap_debian_base_csv: "{{ bootstrap_debian_base_packages | join(',') }}"
+    bootstrap_debian_extra_args: >-
       {{
-        (
-          bootstrap_debian_extra_list
-        )
-        | reject('equalto', '')
+        bootstrap_debian_extra_packages
         | join(' ')
       }}
   block:
+    - name: Validate Debian package configuration
+      ansible.builtin.assert:
+        that:
+          - bootstrap_debian_package_config is mapping
+          - bootstrap_debian_package_config.base is defined
+          - bootstrap_debian_package_config.base is sequence
+          - bootstrap_debian_package_config.base is not string
+          - bootstrap_debian_package_config.extra is defined
+          - bootstrap_debian_package_config.extra is sequence
+          - bootstrap_debian_package_config.extra is not string
+        fail_msg: "bootstrap package definition for {{ bootstrap_var_key }} must be a mapping with base/extra lists."
+        quiet: true
+
     - name: Install Debian base system
       ansible.builtin.command: >-
-        debootstrap --include={{ bootstrap_debian_base }}
+        debootstrap --include={{ bootstrap_debian_base_csv }}
         {{ bootstrap_debian_release }} /mnt http://deb.debian.org/debian/
       register: bootstrap_debian_base_result
       changed_when: bootstrap_debian_base_result.rc == 0
 
     - name: Install extra packages
-      ansible.builtin.command: "{{ chroot_command }} apt install -y {{ bootstrap_debian_extra }}"
+      when: bootstrap_debian_extra_packages | length > 0
+      ansible.builtin.command: "{{ chroot_command }} apt install -y {{ bootstrap_debian_extra_args }}"
       register: bootstrap_debian_extra_result
       changed_when: bootstrap_debian_extra_result.rc == 0