Add a tag to the tasks that install the generic templates.

defaults/main.yml

@@ -34,6 +34,13 @@ mailman_custom_templates:
   - 'it/list:user:notice:probe.txt'
   - 'it/list:user:notice:welcome.txt'
 
+# Subset of the custom templates required by the archive-aware footer feature.
+# Keeping it separate allows the feature to be deployed without reinstalling
+# every site-level Mailman template.
+mailman_archive_footer_templates:
+  - 'en/list:member:generic:footer.txt'
+  - 'it/list:member:generic:footer.txt'
+
 mailman_enable_daily_notifications: true
 
 # Periodically perform a verified stop/start cycle. The timer is disabled by

tasks/mailman.yml

@@ -53,17 +53,21 @@
       with_items: '{{ mailman_pip_packages }}'
 
     - name: Install the legacy HyperKitty compatibility patcher
-      template:
+      ansible.builtin.template:
         src: mailman-legacy-hyperkitty-compatibility.py.j2
         dest: '{{ mailman_legacy_hyperkitty_patch_script }}'
         owner: root
         group: root
         mode: '0750'
       when: mailman_enable_legacy_hyperkitty_compatibility_patches | bool
-      tags: [ 'mailman', 'mailman_conf', 'mailman_hyperkitty_compatibility' ]
+      tags:
+        - mailman
+        - mailman_conf
+        - mailman_hyperkitty_compatibility
+        - mailman_archive_footer
 
     - name: Apply the legacy HyperKitty compatibility patches
-      command:
+      ansible.builtin.command:
         argv:
           - '{{ mailman_bindir }}/python'
           - '{{ mailman_legacy_hyperkitty_patch_script }}'
@@ -76,7 +80,11 @@
         - Restart hyperkitty qcluster
         - Restart mailmansuite
         - Restart mailman
-      tags: [ 'mailman', 'mailman_conf', 'mailman_hyperkitty_compatibility' ]
+      tags:
+        - mailman
+        - mailman_conf
+        - mailman_hyperkitty_compatibility
+        - mailman_archive_footer
 
     - name: Install the mailman and postfix configuration files
       template: src={{ item }}.j2 dest={{ mailman_conf_dir }}/{{ item }} owner=root group={{ mailman_user }} mode=0440
@@ -254,16 +262,38 @@
         cron_file: 'mailman-notifications'
         state: "{% if mailman_enable_daily_notifications %}present{% else %}absent{% endif %}"
 
-- name: Install some default templates
+- name: Install default Mailman templates
+  tags: [mailman, mailman_templates]
   block:
-  - name: Create the 'site' directory and the language subdirs
-    file: dest={{ mailman_var_dir }}/templates/site/{{ item }} state=directory owner={{ mailman_user }} group={{ mailman_user}}
-    with_items:
-      - it
-      - en
+    - name: Create the site-level Mailman template directories
+      ansible.builtin.file:
+        path: '{{ mailman_var_dir }}/templates/site/{{ item }}'
+        state: directory
+        owner: '{{ mailman_user }}'
+        group: '{{ mailman_user }}'
+        mode: '0755'
+      loop:
+        - it
+        - en
+      tags: [mailman_archive_footer]
 
-  - name: Install the custom templates 
-    template: src=site/{{ item }}.j2 dest={{ mailman_var_dir }}/templates/site/{{ item }} owner={{ mailman_user }} group={{ mailman_user}}
-    with_items: '{{ mailman_custom_templates }}'
+    - name: Install custom Mailman templates other than the archive footer
+      ansible.builtin.template:
+        src: 'site/{{ item }}.j2'
+        dest: '{{ mailman_var_dir }}/templates/site/{{ item }}'
+        owner: '{{ mailman_user }}'
+        group: '{{ mailman_user }}'
+        mode: '0644'
+      loop: '{{ mailman_custom_templates }}'
+      when: item not in mailman_archive_footer_templates
 
-  tags: [ 'mailman', 'mailman_templates' ]
+    - name: Install archive-aware Mailman footer templates
+      ansible.builtin.template:
+        src: 'site/{{ item }}.j2'
+        dest: '{{ mailman_var_dir }}/templates/site/{{ item }}'
+        owner: '{{ mailman_user }}'
+        group: '{{ mailman_user }}'
+        mode: '0644'
+      loop: '{{ mailman_archive_footer_templates }}'
+      when: item in mailman_custom_templates
+      tags: [mailman_archive_footer]

tasks/postorius-hyperkitty.yml

@@ -47,7 +47,7 @@
         mode: '0750'
       register: mailman_postorius_site_config_helper_install
       when: mailman_manage_postorius_site | bool
-      tags: [mailman_postorius_site]
+      tags: [mailman_postorius_site, mailman_archive_footer]
 
     - name: Configure the canonical Django Site used by archive links
       become: true
@@ -66,7 +66,7 @@
         - >-
           not ansible_check_mode or
           mailman_postorius_site_config_helper_install is not changed
-      tags: [mailman_postorius_site]
+      tags: [mailman_postorius_site, mailman_archive_footer]
 
     - name: Install the hyperkitty configuration file
       ansible.builtin.template:
@@ -78,7 +78,7 @@
       when: mailman_use_hyperkitty_archiver | bool
       register: mailman_hyperkitty_install
       notify: Restart mailman
-      tags: [mailman_postorius_site]
+      tags: [mailman_postorius_site, mailman_archive_footer]
 
   tags: [mailman, postorius, hyperkitty, mailman_conf]