From e7c66fc89b2ff34c014f402ee7f91188eea5e0f6 Mon Sep 17 00:00:00 2001
From: Linquize <linquize@yahoo.com.hk>
Date: Mon, 20 Jan 2014 23:32:18 +0800
Subject: [PATCH] git_reflog_entry_message can be null

---
 src/revparse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/revparse.c b/src/revparse.c
index c120b466f..5cce3be63 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -168,6 +168,8 @@ static int retrieve_previously_checked_out_branch_or_revision(git_object **out,
 	for (i = 0; i < numentries; i++) {
 		entry = git_reflog_entry_byindex(reflog, i);
 		msg = git_reflog_entry_message(entry);
+		if (!msg)
+			continue;
 
 		if (regexec(&preg, msg, 2, regexmatches, 0))
 			continue;