From a4bd7c008de0c45a36e2d290acb87bdb79c16a4e Mon Sep 17 00:00:00 2001
From: Graham Hughes <graham@sigwinch.org>
Date: Mon, 15 Feb 2010 20:16:11 -0800
Subject: [PATCH] Don't merge flags in checkout-index

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
---
 Library/Homebrew/download_strategy.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 9a74ff59da..e60b879b69 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -190,7 +190,7 @@ class GitDownloadStrategy <AbstractDownloadStrategy
         end
       end
       # http://stackoverflow.com/questions/160608/how-to-do-a-git-export-like-svn-export
-      safe_system 'git', 'checkout-index', '-af', "--prefix=#{dst}/"
+      safe_system 'git', 'checkout-index', '-a', '-f', "--prefix=#{dst}/"
     end
   end
 end