зеркало из https://github.com/microsoft/git.git
98 строки
1.9 KiB
C
98 строки
1.9 KiB
C
#include "cache.h"
|
|
#include "commit.h"
|
|
#include "rsh.h"
|
|
#include "pull.h"
|
|
#include "refs.h"
|
|
|
|
static int fd_in;
|
|
static int fd_out;
|
|
|
|
static unsigned char remote_version = 0;
|
|
static unsigned char local_version = 1;
|
|
|
|
int fetch(unsigned char *sha1)
|
|
{
|
|
int ret;
|
|
signed char remote;
|
|
char type = 'o';
|
|
if (has_sha1_file(sha1))
|
|
return 0;
|
|
write(fd_out, &type, 1);
|
|
write(fd_out, sha1, 20);
|
|
if (read(fd_in, &remote, 1) < 1)
|
|
return -1;
|
|
if (remote < 0)
|
|
return remote;
|
|
ret = write_sha1_from_fd(sha1, fd_in);
|
|
if (!ret)
|
|
pull_say("got %s\n", sha1_to_hex(sha1));
|
|
return ret;
|
|
}
|
|
|
|
static int get_version(void)
|
|
{
|
|
char type = 'v';
|
|
write(fd_out, &type, 1);
|
|
write(fd_out, &local_version, 1);
|
|
if (read(fd_in, &remote_version, 1) < 1) {
|
|
return error("Couldn't read version from remote end");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int fetch_ref(char *ref, unsigned char *sha1)
|
|
{
|
|
signed char remote;
|
|
char type = 'r';
|
|
write(fd_out, &type, 1);
|
|
write(fd_out, ref, strlen(ref) + 1);
|
|
read(fd_in, &remote, 1);
|
|
if (remote < 0)
|
|
return remote;
|
|
read(fd_in, sha1, 20);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *commit_id;
|
|
char *url;
|
|
int arg = 1;
|
|
const char *prog = getenv("GIT_SSH_PUSH") ? : "git-ssh-push";
|
|
|
|
while (arg < argc && argv[arg][0] == '-') {
|
|
if (argv[arg][1] == 't') {
|
|
get_tree = 1;
|
|
} else if (argv[arg][1] == 'c') {
|
|
get_history = 1;
|
|
} else if (argv[arg][1] == 'a') {
|
|
get_all = 1;
|
|
get_tree = 1;
|
|
get_history = 1;
|
|
} else if (argv[arg][1] == 'v') {
|
|
get_verbosely = 1;
|
|
} else if (argv[arg][1] == 'w') {
|
|
write_ref = argv[arg + 1];
|
|
arg++;
|
|
}
|
|
arg++;
|
|
}
|
|
if (argc < arg + 2) {
|
|
usage("git-ssh-pull [-c] [-t] [-a] [-v] [-d] [--recover] [-w ref] commit-id url");
|
|
return 1;
|
|
}
|
|
commit_id = argv[arg];
|
|
url = argv[arg + 1];
|
|
|
|
if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1))
|
|
return 1;
|
|
|
|
if (get_version())
|
|
return 1;
|
|
|
|
if (pull(commit_id))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|