From dbef9b6d901ef16e4d42bffea0b8b108bd9e5b0c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Wed, 22 May 2013 13:21:45 +0100
Subject: [PATCH] snapdiff: Avoid problems when there is a size mismatch.

---
 scripts/snapdiff.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/snapdiff.py b/scripts/snapdiff.py
index aa65f51..59ec870 100755
--- a/scripts/snapdiff.py
+++ b/scripts/snapdiff.py
@@ -71,6 +71,9 @@ class Comparer:
         return self.ref_im.size != self.src_im.size
 
     def write_diff(self, diff_image, fuzz = 0.05):
+        if self.size_mismatch():
+            return
+
         # make a difference image similar to ImageMagick's compare utility
         mask = ImageEnhance.Brightness(self.diff).enhance(1.0/fuzz)
         mask = mask.convert('L')
-- 
2.43.0