From: Junio C Hamano <junkio@cox.net>
Date: Wed, 9 Aug 2006 20:17:04 +0000 (-0700)
Subject: find_unique_abbrev() with len=0 should not abbreviate
X-Git-Tag: v1.4.2-rc4~2
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=02c5cba2007856465710aa37cd41b404372ab95b;p=git.git

find_unique_abbrev() with len=0 should not abbreviate

Signed-off-by: Junio C Hamano <junkio@cox.net>
---

diff --git a/sha1_name.c b/sha1_name.c
index 5fe8e5d4b..c5a05faeb 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -193,7 +193,7 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
 
 	is_null = !memcmp(sha1, null_sha1, 20);
 	memcpy(hex, sha1_to_hex(sha1), 40);
-	if (len == 40)
+	if (len == 40 || !len)
 		return hex;
 	while (len < 40) {
 		unsigned char sha1_ret[20];