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 <bmwill@xxxxxxxxxx> --- builtin/fetch-pack.c | 2 ++ 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, 36 insertions(+) diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index 85d4faf76c..b2374ddbbf 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -201,6 +201,8 @@ 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"); 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 b7ce7c7f52..3656e94fdb 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 83cb125a68..b5427f75e3 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 2cb5cb35b0..8d53e9794b 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 0b111e62d7..4b89b984c4 100644 --- a/connect.c +++ b/connect.c @@ -83,6 +83,9 @@ enum protocol_version discover_version(struct packet_reader *reader) } 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 43012b7eb6..5e636785d1 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 1b2bc94a8d..2ad35e433c 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 9f6d07683d..dae8a4a48d 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 2378dcb38c..83d9dd1df6 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, -- 2.16.2.804.g6dcf76e118-goog