[PATCH 8/8] t5552: compensate for v2 filtering ref adv.

[Jonathan Tan <jonathantanmy@google.com>]

Protocol v2 filters the ref advertisement, but protocol v0 does not. A
test in t5552 uses the ref advertisement, so fix it to use protocol v0.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t5552-skipping-fetch-negotiator.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/t/t5552-skipping-fetch-negotiator.sh b/t/t5552-skipping-fetch-negotiator.sh
index 30857b84a8..8a14be51a1 100755
--- a/t/t5552-skipping-fetch-negotiator.sh
+++ b/t/t5552-skipping-fetch-negotiator.sh
@@ -127,7 +127,10 @@ test_expect_success 'use ref advertisement to filter out commits' '
 	# not need to send any ancestors of "c3", but we still need to send "c3"
 	# itself.
 	test_config -C client fetch.negotiationalgorithm skipping &&
-	trace_fetch client origin to_fetch &&
+
+	# The ref advertisement itself is filtered when protocol v2 is used, so
+	# use v0.
+	GIT_TEST_PROTOCOL_VERSION= trace_fetch client origin to_fetch &&
 	have_sent c5 c4^ c2side &&
 	have_not_sent c4 c4^^ c4^^^
 '
-- 
2.19.0.271.gfe8321ec05.dirty