[apt] Pin some packages from other versions

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

roles/apt/tasks/main.yml

@@ -25,3 +25,14 @@
     group: root
     mode: 0644
   loop: "{{ apt.extra_repositories }}"
+
+- name: Configure pin from future distributions
+  template:
+    src: "apt/{{ item[0] }}.d/pin.list.j2"
+    dest: "/etc/apt/{{ item[0] }}.d/{{ item[1].key }}.list"
+    owner: root
+    group: root
+    mode: 0644
+  with_nested:
+    - ["sources.list", "preferences"]
+    - "{{ apt.pin|dict2items }}"