dist-git/pagure: Enable the pagure-dist-git 3rd party plugin in staging

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

roles/distgit/pagure/tasks/main.yml

@@ -102,6 +102,7 @@
   with_items:
   - { file: pagure.cfg, location: /etc/pagure }
   - { file: alembic.ini, location: /etc/pagure }
+  - { file: pagure_plugins.cfg, location: /etc/pagure }
   tags:
   - config
   - web

roles/distgit/pagure/templates/pagure.wsgi

@@ -10,6 +10,9 @@ import pkg_resources
 import os
 ## Set the environment variable pointing to the configuration file
 os.environ['PAGURE_CONFIG'] = '/etc/pagure/pagure.cfg'
+{% if env == 'staging' %}
+os.environ['PAGURE_PLUGIN'] = '/etc/pagure/pagure_plugins.cfg'
+{% endif %}
 
 ## Set the environment variable if the tmp folder needs to be moved
 ## Is necessary to work around bug in libgit2:

roles/distgit/pagure/templates/pagure_plugins.cfg

@@ -0,0 +1,3 @@
+from pagure_distgit import plugin
+
+PLUGINS = [plugin.DISTGIT_NS]