Test out the new docs publishing in staging

roles/fedora-docs/build/tasks/main.yml

@@ -1,7 +1,7 @@
 - file: dest=/srv/web/docs state=directory
 
-- copy: >
-    src=docs-sync dest=/usr/local/bin/docs-sync
+- template: >
+    src=docs-sync.j2 dest=/usr/local/bin/docs-sync
     owner=root group=root mode=0755
   tags:
   - fedora-docs

roles/fedora-docs/build/templates/docs-sync.j2

@@ -4,10 +4,17 @@ if [ ! -d /srv/web/docs ]
 then
 	echo "/srv/web/docs missing"
 	cd /srv/web
+{% if env == 'staging' %}
+	git clone https://pagure.io/fedora-docs/fedora-docs-web.git docs
+{% else %}
 	git clone https://pagure.io/fedora-docs-web.git docs
+{% endif %}
 fi
 
 
 cd /srv/web/docs
-git reset -q --hard
-git pull -q
+/usr/bin/git reset -q --hard
+{% if env == 'staging' %}
+/usr/bin/git checkout -q stg
+{% endif %}
+/usr/bin/git pull -q --ff-only