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-rw-r--r--transport.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/transport.c b/transport.c
index e078812..7744611 100644
--- a/transport.c
+++ b/transport.c
@@ -252,6 +252,14 @@ static int connect_setup(struct transport *transport, int for_push)
return 0;
}
+static void die_if_server_options(struct transport *transport)
+{
+ if (!transport->server_options || !transport->server_options->nr)
+ return;
+ advise(_("see protocol.version in 'git help config' for more details"));
+ die(_("server options require protocol version 2 or later"));
+}
+
/*
* Obtains the protocol version from the transport and writes it to
* transport->data->version, first connecting if not already connected.
@@ -286,6 +294,7 @@ static struct ref *handshake(struct transport *transport, int for_push,
break;
case protocol_v1:
case protocol_v0:
+ die_if_server_options(transport);
get_remote_heads(&reader, &refs,
for_push ? REF_NORMAL : 0,
&data->extra_have,
@@ -363,6 +372,7 @@ static int fetch_refs_via_pack(struct transport *transport,
break;
case protocol_v1:
case protocol_v0:
+ die_if_server_options(transport);
refs = fetch_pack(&args, data->fd, data->conn,
refs_tmp ? refs_tmp : transport->remote_refs,
dest, to_fetch, nr_heads, &data->shallow,