From 59c6c1a53e5f00680d81ce2fd61b1b70176fde99 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 3 Dec 2012 21:48:36 -0500
Subject: [PATCH] Fix for null parent in sendmail-html

---
 groovy/sendmail-html.groovy | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/groovy/sendmail-html.groovy b/groovy/sendmail-html.groovy
index e0cdecdb..06f1e3ed 100644
--- a/groovy/sendmail-html.groovy
+++ b/groovy/sendmail-html.groovy
@@ -372,7 +372,9 @@ class HtmlMailWriter {
         def diffs
         RevWalk rw = new RevWalk(repository);
         if (commit.parentCount > 0) {
-            RevCommit parent = commit.parents[0]
+			RevWalk rw = new RevWalk(repository);
+			RevCommit parent = rw.parseCommit(commit.parents[0].id);
+			rw.dispose();
             diffs = formatter.scan(parent.tree, commit.tree)
         } else {
             diffs = formatter.scan(new EmptyTreeIterator(),
-- 
2.39.5