etc-git: install a script to optimize the repository each month

CHANGELOG.md

@@ -18,6 +18,7 @@ The **patch** part changes incrementally at each release.
 * evocheck: the crontab is updated by the role (default: `True`)
 * evolinux-base: add mail related aliases
 * fail2ban: add a variable to disable the ssh filter (default: `False`)
+* etc-git: install a script to optimize the repository each month
 * fail2ban: add a variable to update the list of ignored IP addresses/blocs (default: `False`)
 * generate-ldif: detect installed packages even if "held" by APT
 * java: support for Oracle JRE

etc-git/files/optimize-etc-git

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+git --git-dir /etc/.git gc --quiet

etc-git/tasks/main.yml

@@ -65,3 +65,12 @@
   when: git_log.rc != 0 or (git_init is defined and git_init.changed)
   tags:
     - etc-git
+
+- name: Optimize script is installed in monthly crontab
+  copy:
+    src: optimize-etc-git
+    dest: /etc/cron.monthly/optimize-etc-git
+    mode: "0750"
+    force: no
+  tags:
+    - etc-git