From c8dc7fff08b9cb0848bfe43ceac2c4f5dbdce0fe Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Wed, 22 Dec 2010 21:41:08 +0000
Subject: [PATCH] Avoid theme rescan when no theme is selected.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4559 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/themes.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/redmine/themes.rb b/lib/redmine/themes.rb
index 2b38ec517..77833cb35 100644
--- a/lib/redmine/themes.rb
+++ b/lib/redmine/themes.rb
@@ -30,6 +30,8 @@ module Redmine
     
     # Return theme for given id, or nil if it's not found
     def self.theme(id, options={})
+      return nil if id.blank?
+      
       found = themes.find {|t| t.id == id}
       if found.nil? && options[:rescan] != false
         rescan
-- 
2.39.5