Add borg prune and compact jobs

Run repository retention either after a successful backup or from a
dedicated systemd timer. Clean up script generation with templates and
expand molecule test coverage.

BREAKING CHANGE: Aggregate backup scripts are no longer managed, and
state=preset now requires at least one readable included directory.

1 files changed, 45 insertions, 29 deletions

diff --git a/tasks/absent.yml b/tasks/absent.yml
index b1a5592..6afb7f3 100644
--- a/tasks/absent.yml
+++ b/tasks/absent.yml
@@ -38,6 +38,12 @@
   register: timer_stat
   become: true
 
+- name: Check if prune systemd timer exists
+  ansible.builtin.stat:
+    path: /etc/systemd/system/{{ borg_prune_timer_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.timer
+  register: prune_timer_stat
+  become: true
+
 - name: Stop systemd timer
   ansible.builtin.systemd:
     name: "{{ borg_backup_timer_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.timer"
@@ -46,12 +52,26 @@
   become: true
   when: timer_stat.stat.exists
 
+- name: Stop prune systemd timer
+  ansible.builtin.systemd:
+    name: "{{ borg_prune_timer_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.timer"
+    state: stopped
+    enabled: false
+  become: true
+  when: prune_timer_stat.stat.exists
+
 - name: Check if systemd service exists
   ansible.builtin.stat:
     path: /etc/systemd/system/{{ borg_backup_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service
   register: service_stat
   become: true
 
+- name: Check if prune systemd service exists
+  ansible.builtin.stat:
+    path: /etc/systemd/system/{{ borg_prune_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service
+  register: prune_service_stat
+  become: true
+
 - name: Stop systemd service
   ansible.builtin.systemd:
     name: "{{ borg_backup_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service"
@@ -60,59 +80,55 @@
   become: true
   when: service_stat.stat.exists
 
+- name: Stop prune systemd service
+  ansible.builtin.systemd:
+    name: "{{ borg_prune_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service"
+    state: stopped
+    enabled: false
+  become: true
+  when: prune_service_stat.stat.exists
+
 - name: Remove systemd timer file
   ansible.builtin.file:
     path: /etc/systemd/system/{{ borg_backup_timer_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.timer
     state: absent
   become: true
 
+- name: Remove prune systemd timer file
+  ansible.builtin.file:
+    path: /etc/systemd/system/{{ borg_prune_timer_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.timer
+    state: absent
+  become: true
+
 - name: Remove systemd service file
   ansible.builtin.file:
     path: /etc/systemd/system/{{ borg_backup_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service
     state: absent
   become: true
 
+- name: Remove prune systemd service file
+  ansible.builtin.file:
+    path: /etc/systemd/system/{{ borg_prune_service_name }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}.service
+    state: absent
+  become: true
+
 - name: Reload systemd daemon
   ansible.builtin.systemd:
     daemon_reload: true
   become: true
 
-- name: Check if base backup script exists
-  ansible.builtin.stat:
-    path: "{{ borg_backup_script_location }}"
-  register: base_script_stat
-  become: true
-
-- name: Remove repo-specific backup script
+- name: Remove repository-specific backup script
   ansible.builtin.file:
-    path: "{{ borg_backup_script_location }}{{ '@' if borg_backup_argument != '' }}{{ borg_backup_argument }}"
-    state: absent
-  become: true
-  when: borg_backup_argument | length > 0
-
-- name: Remove block from base backup script
-  ansible.builtin.blockinfile:
-    path: "{{ borg_backup_script_location }}"
-    marker: "## {mark} ANSIBLE MANAGED BLOCK for {{ borg_server_host_url }}/{{ borg_repo_name }}"
+    path: "{{ borg_backup_script_location }}{{ '@' if borg_backup_argument != '' else '' }}{{ borg_backup_argument }}"
     state: absent
   become: true
-  when: base_script_stat.stat.exists
 
-- name: Read base script content
-  ansible.builtin.slurp:
-    src: "{{ borg_backup_script_location }}"
-  register: base_script_content
-  become: true
-  when: base_script_stat.stat.exists
-
-- name: Remove empty base script
+- name: Remove repository-specific prune script
   ansible.builtin.file:
-    path: "{{ borg_backup_script_location }}"
+    path: "{{ borg_prune_script_location }}{{ '@' if borg_backup_argument != '' else '' }}{{ borg_backup_argument }}"
     state: absent
   become: true
-  when:
-    - base_script_stat.stat.exists
-    - ('ANSIBLE MANAGED BLOCK' not in (base_script_content.content | b64decode))
+  when: borg_prune_script_location | length > 0
 
 - name: Remove per-repo SSH private key
   ansible.builtin.file: