[sysadmin-bin] create-auth: fix list vs set and ignore groups which do not have members

[Olav Vitters <ovitters src gnome org>]

commit 63ed531fb9974331a83156d5a35ca8463c526d9a
Author: Olav Vitters <olav vitters nl>
Date:   Mon Mar 7 22:10:25 2011 +0100

    create-auth: fix list vs set and ignore groups which do not have members

 create-auth |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/create-auth b/create-auth
index 65a1020..ff94aa3 100755
--- a/create-auth
+++ b/create-auth
@@ -50,7 +50,7 @@ def get_uids_from_group(group):
                 break
             else:
                 group_info = group_data[0][1]
-                return group_info['memberUid']
+                return group_info.get('memberUid', [])
     except ldap.LDAPError, e:
         print e
         sys.exit(1)
@@ -128,7 +128,7 @@ def build_user_hash(group_list):
     if GNOMEGIT or MANGO:
         gnomevcs_users = set(get_uids_from_group ('gnomecvs') + get_uids_from_group ('gnomevcs')) - users
     if RRSYNC: # XXX - HACK TO TEST MASTER-VM SETUP
-        gnomevcs_users = get_uids_from_group ('testuser') - users
+        gnomevcs_users = set(get_uids_from_group ('testuser')) - users
     if TRANSLATION_USER:
         gnomevcs_users.update(['translations'])