Add option to force checkout of the git repository.

Author: Pierre Buyle

README.md

@@ -23,9 +23,10 @@ The following variables are available to configure the role:
 - **nginx_drupal_git**
     - **repo**: The URL of the Git repository to checkout the base
     configuration from, defaults to https://github.com/perusio/drupal-with-nginx.git
-    - **version** The version of the version of the repository to
+    - **version**: The version of the version of the repository to
     check out. This can be the full 40-character SHA-1 hash, the literal string
     HEAD, a branch name, or a tag name. Defaults to 'D7'.
+    - **force_checkout**: True to always do a git checkout. Defaults to False. 
 - **nginx_drupal_config_path**: The path to Nginx configuration folder,
   defaults to "/etc/nginx".
 - **nginx_drupal_log_path**: The path to Nginx log files, defaults to

tasks/git-checkout.yml

@@ -4,9 +4,10 @@
   register: nginx_drupal_config_path_dot_git
 - name: "Remove existing configurarion directory"
   file: path={{nginx_drupal_config_path}} state=absent
-  when: nginx_drupal_config_path_dot_git.stat.exists == false
+  when: not nginx_drupal_config_path_dot_git.stat.exists
 - name: "Checkout configuration directory"
-  git: dest={{nginx_drupal_config_path}} repo={{nginx_drupal_git.repo}} version={{nginx_drupal_git.version}} force=no
+  git: dest={{nginx_drupal_config_path}} repo={{nginx_drupal_git.repo}} version={{nginx_drupal_git.version}} force=yes
+  when: (not nginx_drupal_config_path_dot_git.stat.exists) or (nginx_drupal_git.force_checkout|default(False))
   notify:
    - reload nginx
 - name: "Remove example.com configuration file"