Fix repo url in Gitolite hooks

Author: root

Diff for: contrib/hooks/post-receive/lib/git_hosting_config.rb

@@ -52,7 +52,7 @@ def project_name
 
 
     def repository_name
-      if config.has_key?('repositoryid')
+      if config.has_key?('repositoryid') && !config['repositoryid'].empty?
         "#{project_name}/#{config['repositoryid']}"
       else
         project_name