From fa1926ddaa7ad481c55b76d1f2c1952721b7b586 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Tue, 20 Oct 2009 09:32:26 -0500
Subject: Exclude gem backtrace filter if rubygems is not loaded

---
 railties/lib/rails/backtrace_cleaner.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'railties/lib/rails')

diff --git a/railties/lib/rails/backtrace_cleaner.rb b/railties/lib/rails/backtrace_cleaner.rb
index 2f5632c3e4..cd7dd0f80a 100644
--- a/railties/lib/rails/backtrace_cleaner.rb
+++ b/railties/lib/rails/backtrace_cleaner.rb
@@ -27,10 +27,10 @@ module Rails
       add_silencer { |line| RAILS_GEMS.any? { |gem| line =~ /^#{gem} / } }
       add_silencer { |line| line =~ %r(vendor/plugins/[^\/]+/lib) }
     end
-    
-    
+
     private
       def add_gem_filters
+        return unless defined? Gem
         (Gem.path + [Gem.default_dir]).uniq.each do |path|
           # http://gist.github.com/30430
           add_filter { |line| line.sub(/(#{path})\/gems\/([a-z]+)-([0-9.]+)\/(.*)/, '\2 (\3) \4')}
-- 
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