From 287d0dbd75622e59f156eea29aba26b681b1a692 Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Sun, 23 Jun 2013 14:44:16 +1000
Subject: [PATCH] bad locale files could lead to broken automatic groups

---
 app/models/group.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/app/models/group.rb b/app/models/group.rb
index d4fca9fa2..94685f3a9 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -36,6 +36,12 @@ class Group < ActiveRecord::Base
 
     group.name = I18n.t("groups.default_names.#{name}")
 
+    # don't allow shoddy localization to break this
+    validator = UsernameValidator.new(group.name)
+    unless validator.valid_format?
+      group.name = name
+    end
+
     real_ids = case name
                when :admins
                  "SELECT u.id FROM users u WHERE u.admin"