From 011e9393ed442ecddc5c16e6776f78e543afb996 Mon Sep 17 00:00:00 2001
From: Michael Haggerty <mhagger@alum.mit.edu>
Date: Wed, 19 Oct 2011 23:44:43 +0200
Subject: [PATCH] parse_ref_line(): add a check that the refname is properly
 formatted

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 refs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/refs.c b/refs.c
index 431d3c661d..752938c23c 100644
--- a/refs.c
+++ b/refs.c
@@ -51,6 +51,9 @@ static const char *parse_ref_line(char *line, unsigned char *sha1)
 		return NULL;
 	line[len] = 0;
 
+	if (check_refname_format(line, REFNAME_ALLOW_ONELEVEL))
+		return NULL;
+
 	return line;
 }