From 191f241b528c10e242d045bde2cef70fb013a6e5 Mon Sep 17 00:00:00 2001
From: Michael Haggerty <mhagger@alum.mit.edu>
Date: Mon, 7 Apr 2014 15:48:04 +0200
Subject: t1400: test that stdin -z update treats empty <newvalue> as zeros

This is the (slightly inconsistent) status quo; make sure it doesn't
change by accident.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t1400-update-ref.sh | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 't/t1400-update-ref.sh')

diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index a2015d0977..208f56e518 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -730,6 +730,13 @@ test_expect_success 'stdin -z fails update with bad ref name' '
 	grep "fatal: invalid ref format: ~a" err
 '
 
+test_expect_success 'stdin -z treats empty new value as zeros' '
+	git update-ref $a $m &&
+	printf $F "update $a" "" "" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q $a
+'
+
 test_expect_success 'stdin -z fails update with no new value' '
 	printf $F "update $a" >stdin &&
 	test_must_fail git update-ref -z --stdin <stdin 2>err &&
-- 
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