add restic

- fix packages that were broken
- change the way configuration is done
  - define default facts for packages with os_family level vars
  - refine the default facts into an os_family specfic config

tasks/pkgs/restic.yml

@@ -0,0 +1,43 @@
+# vim: set filetype=yaml.ansible :
+#
+## Package: restic
+## Description: backup with builtin encryption and compression
+## Version: system
+## Methods: system
+## Helpers: -
+---
+- name: Set restic default facts # {{{
+  ansible.builtin.set_fact:
+    restic:
+      methods:
+        default: [system]
+      pkgname:
+        default: restic
+- name: Finalise restic default facts
+  ansible.builtin.set_fact:
+    restic:
+      methods: "{{ restic.methods[os_family] | default(restic.methods.default) }}"
+      pkgname: "{{ restic.pkgname[os_family] | default(restic.pkgname.default) }}"
+# }}}
+- name: Configure restic
+  when:
+    - "'restic' not in __configured"
+  block:
+    - name: Set restic install method
+      when:
+        - restic_imethod is undefined
+      ansible.builtin.set_fact:
+        restic_imethod: "{{ imethod if imethod in restic.methods else restic.methods[0] }}"
+
+    - name: Configure restic system install
+      when:
+        - restic_imethod == 'system'
+      block:
+        - name: Queue restic system install
+          ansible.builtin.set_fact:
+            pkg_sys: "{{ pkg_sys + [restic.pkgname] }}"
+            restic_install: "{{ restic_imethod }}={{ restic.pkgname }}"
+
+    - name: Finalise restic configuration
+      ansible.builtin.set_fact:
+        __configured: "{{ __configured | combine( { 'restic': restic_install } ) }}"