From a98134b316502b261419f6ca1baa8283f8ee5a39 Mon Sep 17 00:00:00 2001
From: "Brian C. Lane" <bcl@redhat.com>
Date: Tue, 20 Dec 2011 18:46:30 -0800
Subject: [PATCH] lorax: check for output directory early and quit

---
 src/sbin/lorax | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sbin/lorax b/src/sbin/lorax
index 06bc019a..8d73ac6c 100755
--- a/src/sbin/lorax
+++ b/src/sbin/lorax
@@ -93,6 +93,9 @@ def main(args):
             or not opts.source or not outputdir:
         parser.error("missing one or more required arguments")
 
+    if os.path.exists(outputdir):
+        parser.error("output directory should not exist.")
+
     # create the temporary directory for lorax
     tempdir = tempfile.mkdtemp(prefix="lorax.", dir=tempfile.gettempdir())