Make roles to fetch and backup stratums to reduce duplicate code

roles/backup-remove-strata/tasks/main.yaml

@@ -0,0 +1,19 @@
+---
+
+- name: Find if backup {{strata}} strata exists
+  stat:
+    path: /bedrock/strata/{{ strata }}.backup
+  register: strata_backup
+
+
+- name: Delete previous backup {{ strata }} strata
+  ansible.builtin.shell:
+    cmd: brl remove {{ strata }}.backup
+  when: strata_backup.stat.exists
+  
+
+- name: Backup old {{ strata }} strata
+  ansible.builtin.shell: |
+    brl disable {{ strata }}
+    brl rename {{ strata }} {{ strata }}.backup
+    brl hide {{ strata }}.backup

roles/fetch-strata/tasks/main.yaml

@@ -0,0 +1,9 @@
+
+- name: Backup and remove old {{ strata }} strata
+  include_role:
+    name: backup-remove-strata
+
+- name: Fetch {{ strata }} strata
+  ansible.builtin.shell:
+    cmd: brl fetch {{ strata }}
+

roles/fetch-stratum/tasks/main.yaml

@@ -1,8 +1,11 @@
-- name: fetch alpine linux
-  ansible.builtin.shell:
-    cmd: brl remove -d alpine; brl fetch alpine
-
-- name: fetch arch linux
-  ansible.builtin.shell:
-    cmd: brl remove -d arch; brl fetch arch
+- name: Fetch new alpine strata
+  include_role:
+    name: fetch-strata
+  vars:
+    strata: alpine
 
+- name: Fetch new arch linux
+  include_role:
+    name: fetch-strata
+  vars:
+    strata: arch