Re: [PATCH] Config option to set the transport protocol version for network fetches

diff --git a/transport.c b/transport.c
index b41386eccb..e16c339f3e 100644
--- a/transport.c
+++ b/transport.c

@@ -922,6 +922,23 @@ static struct transport_vtable builtin_smart_vtable = {
 	disconnect_git
 };
 
+static enum transport_family default_transport_family(void)
+{
+	static const char key[] = "core.ipversion";
+	const char *v;
+
+	if (git_config_get_string_const(key, &v))