From 111ae3c2e95843b1506a68541f0a9198a1e8724f Mon Sep 17 00:00:00 2001
From: Toshi MARUYAMA <marutosijp2@yahoo.co.jp>
Date: Mon, 21 Feb 2011 14:28:41 +0000
Subject: [PATCH] scm: prevent diff shows trace if UTF-8 is invalid in Ruby
 1.9.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4912 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/helpers/repositories_helper.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index 50a1ba240..28397c945 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -132,6 +132,10 @@ module RepositoriesHelper
         # do nothing here and try the next encoding
       end
     end
+    if str.respond_to?(:force_encoding)
+      str = str.encode("ASCII-8BIT", :invalid => :replace,
+              :undef => :replace, :replace => '?').encode("UTF-8")
+    end
     str
   end