From 335b2064313da83fcd47a062ca995496a5391ffb Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Apr 15 2016 12:58:35 +0000
Subject: Fix how we compute the list of allowed prefix, the check and the error returned


---

diff --git a/pagure/lib/__init__.py b/pagure/lib/__init__.py
index 45cc9ff..2683afe 100644
--- a/pagure/lib/__init__.py
+++ b/pagure/lib/__init__.py
@@ -964,12 +964,12 @@ def new_project(session, user, name, blacklist, allowed_prefix,
         )
 
     user_obj = __get_user(session, user)
-    allowed_prefix += [user] + [grp.name for grp in user_obj.groups]
+    allowed_prefix = allowed_prefix + [user] + [grp.name for grp in user_obj.groups]
 
     first_part, _, second_part = name.partition('/')
-    if first_part not in allowed_prefix:
+    if second_part and first_part not in allowed_prefix:
         raise pagure.exceptions.PagureException(
-            'Your project name may not start with `forks/`.'
+            'The prefix of you project must be in `%s`.' % allowed_prefix
         )
     if len(second_part) == 40:
         raise pagure.exceptions.PagureException(