From 3a3a31a3dc9d6e1d2cee3ca278d00c373a5f1ed8 Mon Sep 17 00:00:00 2001
From: Steve Randy Tantra <steve.randy@gmail.com>
Date: Mon, 2 May 2011 01:55:54 +0800
Subject: [PATCH] get_md5 should return @server_md5 when putting file in safe
 mode.

---
 lib/mongo/gridfs/grid_io.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/mongo/gridfs/grid_io.rb b/lib/mongo/gridfs/grid_io.rb
index 87cb178..d4a3904 100644
--- a/lib/mongo/gridfs/grid_io.rb
+++ b/lib/mongo/gridfs/grid_io.rb
@@ -454,7 +454,9 @@ module Mongo
       @server_md5 = @files.db.command(md5_command)['md5']
       if @safe
         @client_md5 = @local_md5.hexdigest
-        if @local_md5 != @server_md5
+        if @local_md5 == @server_md5
+          @server_md5
+        else
           raise GridMD5Failure, "File on server failed MD5 check"
         end
       else