From c11e78c1b6655fd42f624b2bd62ebb801284b531 Mon Sep 17 00:00:00 2001
From: arton <artonx@yahoo.co.jp>
Date: Sun, 29 Jan 2012 05:06:14 +0900
Subject: [PATCH] run direcly $0 if rake invoked by Windows batch file.

---
 actionpack/lib/sprockets/assets.rake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/actionpack/lib/sprockets/assets.rake b/actionpack/lib/sprockets/assets.rake
index f3547359cd..2e92fe416b 100644
--- a/actionpack/lib/sprockets/assets.rake
+++ b/actionpack/lib/sprockets/assets.rake
@@ -6,7 +6,11 @@ namespace :assets do
     groups = ENV['RAILS_GROUPS'] || 'assets'
     args   = [$0, task,"RAILS_ENV=#{env}","RAILS_GROUPS=#{groups}"]
     args << "--trace" if Rake.application.options.trace
-    fork ? ruby(*args) : Kernel.exec(FileUtils::RUBY, *args)
+    if $0 =~ /rake\.bat\Z/i
+      Kernel.exec $0, *args
+    else  
+      fork ? ruby(*args) : Kernel.exec(FileUtils::RUBY, *args)
+    end    
   end
 
   # We are currently running with no explicit bundler group
-- 
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