protocol: introduce enum protocol_version value protocol_v2

diff --git a/remote-curl.c b/remote-curl.c
index 0053b09549ab419ab8f2da2c519d689f5e0d83b3..dae8a4a48dc65c7449e274c12872df8b3d236605 100644 (file)
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "config.h"
 #include "remote.h"
+#include "connect.h"
 #include "strbuf.h"
 #include "walker.h"
 #include "http.h"
@@ -13,6 +14,7 @@
 #include "credential.h"
 #include "sha1-array.h"
 #include "send-pack.h"
+#include "protocol.h"
 
 static struct remote *remote;
 /* always ends with a trailing slash */
@@ -176,8 +178,25 @@ static struct discovery *last_discovery;
 static struct ref *parse_git_refs(struct discovery *heads, int for_push)
 {
        struct ref *list = NULL;
-       get_remote_heads(-1, heads->buf, heads->len, &list,
-                        for_push ? REF_NORMAL : 0, NULL, &heads->shallow);
+       struct packet_reader reader;
+
+       packet_reader_init(&reader, -1, heads->buf, heads->len,
+                          PACKET_READ_CHOMP_NEWLINE |
+                          PACKET_READ_GENTLE_ON_EOF);
+
+       switch (discover_version(&reader)) {
+       case protocol_v2:
+               die("support for protocol v2 not implemented yet");
+               break;
+       case protocol_v1:
+       case protocol_v0:
+               get_remote_heads(&reader, &list, for_push ? REF_NORMAL : 0,
+                                NULL, &heads->shallow);
+               break;
+       case protocol_unknown_version:
+               BUG("unknown protocol version");
+       }
+
        return list;
 }