Introduce protocol_v2, a new value for 'enum protocol_version'.
Subsequent patches will fill in the implementation of protocol_v2.
Signed-off-by: Brandon Williams <bmw...@google.com>
---
builtin/fetch-pack.c | 3 +++
builtin/receive-pack.c | 6 ++++++
builtin/send-pack.c | 3 +++
builtin/upload-pack.c | 7 +++++++
connect.c | 3 +++
protocol.c | 2 ++
protocol.h | 1 +
remote-curl.c | 3 +++
transport.c | 9 +++++++++
9 files changed, 37 insertions(+)
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 85d4faf76..f492e8abd 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -201,6 +201,9 @@ int cmd_fetch_pack(int argc, const char **argv, const char
*prefix)
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, &ref, 0, NULL, &shallow);
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index b7ce7c7f5..3656e94fd 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1963,6 +1963,12 @@ int cmd_receive_pack(int argc, const char **argv, const
char *prefix)
unpack_limit = receive_unpack_limit;
switch (determine_protocol_version_server()) {
+ case protocol_v2:
+ /*
+ * push support for protocol v2 has not been implemented yet,
+ * so ignore the request to use v2 and fallback to using v0.
+ */
+ break;
case protocol_v1:
/*
* v1 is just the original protocol with a version string,
diff --git a/builtin/send-pack.c b/builtin/send-pack.c
index 83cb125a6..b5427f75e 100644
--- a/builtin/send-pack.c
+++ b/builtin/send-pack.c
@@ -263,6 +263,9 @@ int cmd_send_pack(int argc, const char **argv, const char
*prefix)
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, &remote_refs, REF_NORMAL,
diff --git a/builtin/upload-pack.c b/builtin/upload-pack.c
index 2cb5cb35b..8d53e9794 100644
--- a/builtin/upload-pack.c
+++ b/builtin/upload-pack.c
@@ -47,6 +47,13 @@ int cmd_upload_pack(int argc, const char **argv, const char
*prefix)
die("'%s' does not appear to be a git repository", dir);
switch (determine_protocol_version_server()) {
+ case protocol_v2:
+ /*
+ * fetch support for protocol v2 has not been implemented yet,
+ * so ignore the request to use v2 and fallback to using v0.
+ */
+ upload_pack(&opts);
+ break;
case protocol_v1:
/*
* v1 is just the original protocol with a version string,
diff --git a/connect.c b/connect.c
index db3c9d24c..f2157a821 100644
--- a/connect.c
+++ b/connect.c
@@ -84,6 +84,9 @@ enum protocol_version discover_version(struct packet_reader
*reader)
/* Maybe process capabilities here, at least for v2 */
switch (version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
case protocol_v1:
/* Read the peeked version line */
packet_reader_read(reader);
diff --git a/protocol.c b/protocol.c
index 43012b7eb..5e636785d 100644
--- a/protocol.c
+++ b/protocol.c
@@ -8,6 +8,8 @@ static enum protocol_version parse_protocol_version(const char
*value)
return protocol_v0;
else if (!strcmp(value, "1"))
return protocol_v1;
+ else if (!strcmp(value, "2"))
+ return protocol_v2;
else
return protocol_unknown_version;
}
diff --git a/protocol.h b/protocol.h
index 1b2bc94a8..2ad35e433 100644
--- a/protocol.h
+++ b/protocol.h
@@ -5,6 +5,7 @@ enum protocol_version {
protocol_unknown_version = -1,
protocol_v0 = 0,
protocol_v1 = 1,
+ protocol_v2 = 2,
};
/*
diff --git a/remote-curl.c b/remote-curl.c
index 9f6d07683..dae8a4a48 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -185,6 +185,9 @@ static struct ref *parse_git_refs(struct discovery *heads,
int for_push)
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,
diff --git a/transport.c b/transport.c
index 2378dcb38..83d9dd1df 100644
--- a/transport.c
+++ b/transport.c
@@ -203,6 +203,9 @@ static struct ref *get_refs_via_connect(struct transport
*transport, int for_pus
data->version = discover_version(&reader);
switch (data->version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
case protocol_v1:
case protocol_v0:
get_remote_heads(&reader, &refs,
@@ -250,6 +253,9 @@ static int fetch_refs_via_pack(struct transport *transport,
refs_tmp = get_refs_via_connect(transport, 0);
switch (data->version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
case protocol_v1:
case protocol_v0:
refs = fetch_pack(&args, data->fd, data->conn,
@@ -585,6 +591,9 @@ static int git_transport_push(struct transport *transport,
struct ref *remote_re
args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
switch (data->version) {
+ case protocol_v2:
+ die("support for protocol v2 not implemented yet");
+ break;
case protocol_v1:
case protocol_v0:
ret = send_pack(&args, data->fd, data->conn, remote_refs,
