serve: introduce the server-option capability

Introduce the "server-option" capability to protocol version 2.  This
enables future clients the ability to send server specific options in
command requests when using protocol version 2.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/serve.c b/serve.c
index a5a7b2f..bda085f 100644
--- a/serve.c
+++ b/serve.c
@@ -56,6 +56,7 @@ static struct protocol_capability capabilities[] = {
 	{ "agent", agent_advertise, NULL },
 	{ "ls-refs", always_advertise, ls_refs },
 	{ "fetch", upload_pack_advertise, upload_pack_v2 },
+	{ "server-option", always_advertise, NULL },
 };
 
 static void advertise_capabilities(void)