Merge branch 'bw/protocol-v2'

The beginning of the next-gen transfer protocol.

* bw/protocol-v2: (35 commits)
  remote-curl: don't request v2 when pushing
  remote-curl: implement stateless-connect command
  http: eliminate "# service" line when using protocol v2
  http: don't always add Git-Protocol header
  http: allow providing extra headers for http requests
  remote-curl: store the protocol version the server responded with
  remote-curl: create copy of the service name
  pkt-line: add packet_buf_write_len function
  transport-helper: introduce stateless-connect
  transport-helper: refactor process_connect_service
  transport-helper: remove name parameter
  connect: don't request v2 when pushing
  connect: refactor git_connect to only get the protocol version once
  fetch-pack: support shallow requests
  fetch-pack: perform a fetch using v2
  upload-pack: introduce fetch server command
  push: pass ref prefixes when pushing
  fetch: pass ref prefixes when fetching
  ls-remote: pass ref prefixes when requesting a remote's refs
  transport: convert transport_get_remote_refs to take a list of ref prefixes
  ...

1 files changed, 6 insertions, 2 deletions

diff --git a/http-backend.c b/http-backend.c
index cc16cd04ad..adaef16fad 100644
--- a/http-backend.c
+++ b/http-backend.c
@@ -12,6 +12,7 @@
 #include "argv-array.h"
 #include "packfile.h"
 #include "object-store.h"
+#include "protocol.h"
 
 static const char content_type[] = "Content-Type";
 static const char content_length[] = "Content-Length";
@@ -468,8 +469,11 @@ static void get_info_refs(struct strbuf *hdr, char *arg)
 		hdr_str(hdr, content_type, buf.buf);
 		end_headers(hdr);
 
-		packet_write_fmt(1, "# service=git-%s\n", svc->name);
-		packet_flush(1);
+
+		if (determine_protocol_version_server() != protocol_v2) {
+			packet_write_fmt(1, "# service=git-%s\n", svc->name);
+			packet_flush(1);
+		}
 
 		argv[0] = svc->name;
 		run_service(argv, 0);