diff options
| author | Brandon Williams <bmwill@google.com> | 2017-10-16 10:55:27 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2017-10-17 10:51:29 +0900 |
| commit | 2609043da00ea0db411c44179136b07bf210bf75 (patch) | |
| tree | f8a501be93ed1651e583c44b546847aa0a55017a /connect.c | |
| parent | aa9bab29b8b5e70be5c89e375bfba6e0051b3682 (diff) | |
| download | git-2609043da00ea0db411c44179136b07bf210bf75.tar.gz git-2609043da00ea0db411c44179136b07bf210bf75.tar.xz | |
connect: teach client to recognize v1 server response
Teach a client to recognize that a server understands protocol v1 by
looking at the first pkt-line the server sends in response. This is
done by looking for the response "version 1" send by upload-pack or
receive-pack.
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'connect.c')
| -rw-r--r-- | connect.c | 30 |
1 files changed, 26 insertions, 4 deletions
@@ -12,6 +12,7 @@ #include "sha1-array.h" #include "transport.h" #include "strbuf.h" +#include "protocol.h" static char *server_capabilities; static const char *parse_feature_value(const char *, const char *, int *); @@ -129,9 +130,23 @@ static int read_remote_ref(int in, char **src_buf, size_t *src_len, return len; } -#define EXPECTING_FIRST_REF 0 -#define EXPECTING_REF 1 -#define EXPECTING_SHALLOW 2 +#define EXPECTING_PROTOCOL_VERSION 0 +#define EXPECTING_FIRST_REF 1 +#define EXPECTING_REF 2 +#define EXPECTING_SHALLOW 3 + +/* Returns 1 if packet_buffer is a protocol version pkt-line, 0 otherwise. */ +static int process_protocol_version(void) +{ + switch (determine_protocol_version_client(packet_buffer)) { + case protocol_v1: + return 1; + case protocol_v0: + return 0; + default: + die("server is speaking an unknown protocol"); + } +} static void process_capabilities(int *len) { @@ -224,12 +239,19 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, */ int responded = 0; int len; - int state = EXPECTING_FIRST_REF; + int state = EXPECTING_PROTOCOL_VERSION; *list = NULL; while ((len = read_remote_ref(in, &src_buf, &src_len, &responded))) { switch (state) { + case EXPECTING_PROTOCOL_VERSION: + if (process_protocol_version()) { + state = EXPECTING_FIRST_REF; + break; + } + state = EXPECTING_FIRST_REF; + /* fallthrough */ case EXPECTING_FIRST_REF: process_capabilities(&len); if (process_dummy_ref()) { |