arch-boxes: Pin git commit

Signed-off-by: Florian Pritz <bluewind@xinu.at>

roles/arch-boxes/defaults/main.yml

@@ -4,3 +4,4 @@ archboxes_user: 'archboxes'
 archboxes_home: '/srv/arch-boxes'
 archboxes_git_dir: '/srv/arch-boxes/arch-boxes'
 archboxes_time: '*-*-05 00:00:00'
+archboxes_version: "14905ae185b3d6f69839e728f65440e10075e70c"

roles/arch-boxes/tasks/main.yml

@@ -7,7 +7,7 @@
   user: name={{ archboxes_user }} shell=/bin/bash home="{{ archboxes_home }}" createhome=yes
 
 - name: clone arch-boxes repository
-  git: repo='https://github.com/archlinux/arch-boxes.git' dest="{{ archboxes_git_dir }}" force=yes
+  git: repo='https://github.com/archlinux/arch-boxes.git' dest="{{ archboxes_git_dir }}" force=yes version="{{archboxes_version}}"
 
 - name: load virtualbox kernel modules
   modprobe: name="{{item}}" state=present