From a23fe57fe87bd4eac5e16ec094f341a3bcf46a8d Mon Sep 17 00:00:00 2001
From: Andrew Mutz <andrew.mutz@gmail.com>
Date: Fri, 14 Dec 2012 17:12:22 -0800
Subject: [PATCH] Fixing issue where bundler would get confused during
 multi-app selenium

---
 Rakefile | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Rakefile b/Rakefile
index 91657fb1..dda28bff 100644
--- a/Rakefile
+++ b/Rakefile
@@ -35,7 +35,9 @@ end
 def run_test_in(directory, *tasks)
   env = "TEST=../../#{ENV['TEST']} " if ENV['TEST']
   puts '', directory, ''
-  system("cd #{directory} && #{env} bundle exec rake #{tasks.join(' ')}")
+  with_pruned_env('BUNDLE_GEMFILE') do
+    system("cd #{directory} && #{env} bundle exec rake #{tasks.join(' ')}")
+  end
 end
 
 def for_each_directory_of(path, &block)
@@ -45,5 +47,11 @@ def for_each_directory_of(path, &block)
   end
 end
 
+def with_pruned_env(key_to_withhold, &block)
+  withholding = ENV.delete(key_to_withhold)
+  tap{ |r| r = yield; ENV[key_to_withhold] = withholding }
+end
+
+
 desc 'Default: run the unit and integration tests.'
 task :default => ['test:integration:units', 'test:integration:selenium']