Support receiving server capabilities

This patch implements the client side of backward compatible upload-pack
protocol extension, <20051027141619.0e8029f2.vsu@altlinux.ru> by Sergey.

The updated server can append "server_capabilities" which is supposed
to be a string containing space separated features of the server, after
one of elements in the initial list of SHA1-refname line, hidden with
an embedded NUL.

After get_remote_heads(), check if the server supports the feature like

	if (server_supports("multi_ack"))
		do_something();

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Johannes Schindelin 2005-10-28 04:48:54 +02:00 коммит произвёл Junio C Hamano
Родитель f0243f26f6
Коммит 211b5f9e62
2 изменённых файлов: 16 добавлений и 1 удалений

Просмотреть файл

@ -340,6 +340,7 @@ extern int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail,
int nr_refspec, char **refspec, int all);
extern int get_ack(int fd, unsigned char *result_sha1);
extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, int ignore_funny);
extern int server_supports(const char *feature);
extern struct packed_git *parse_pack_index(unsigned char *sha1);
extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,

Просмотреть файл

@ -8,6 +8,8 @@
#include <arpa/inet.h>
#include <netdb.h>
static char *server_capabilities = "";
/*
* Read all the refs from the other end
*/
@ -20,7 +22,7 @@ struct ref **get_remote_heads(int in, struct ref **list,
unsigned char old_sha1[20];
static char buffer[1000];
char *name;
int len;
int len, name_len;
len = packet_read_line(in, buffer, sizeof(buffer));
if (!len)
@ -36,6 +38,13 @@ struct ref **get_remote_heads(int in, struct ref **list,
check_ref_format(name + 5))
continue;
name_len = strlen(name);
if (len != name_len + 41) {
if (server_capabilities)
free(server_capabilities);
server_capabilities = strdup(name + name_len + 1);
}
if (nr_match && !path_match(name, nr_match, match))
continue;
ref = xcalloc(1, sizeof(*ref) + len - 40);
@ -47,6 +56,11 @@ struct ref **get_remote_heads(int in, struct ref **list,
return list;
}
int server_supports(const char *feature)
{
return strstr(feature, server_capabilities) != NULL;
}
int get_ack(int fd, unsigned char *result_sha1)
{
static char line[1000];