Andrew's git - gitweb.git/blob

4cf9b6a1677542c74c99e88281417e3cc0d52bb1
   1#include "cache.h"
   2#include "commit.h"
   3#include "rsh.h"
   4#include "pull.h"
   5#include "refs.h"
   6
   7static int fd_in;
   8static int fd_out;
   9
  10static unsigned char remote_version = 0;
  11static unsigned char local_version = 1;
  12
  13void prefetch(unsigned char *sha1)
  14{
  15}
  16
  17int fetch(unsigned char *sha1)
  18{
  19        int ret;
  20        signed char remote;
  21        char type = 'o';
  22        if (has_sha1_file(sha1))
  23                return 0;
  24        write(fd_out, &type, 1);
  25        write(fd_out, sha1, 20);
  26        if (read(fd_in, &remote, 1) < 1)
  27                return -1;
  28        if (remote < 0)
  29                return remote;
  30        ret = write_sha1_from_fd(sha1, fd_in);
  31        if (!ret)
  32                pull_say("got %s\n", sha1_to_hex(sha1));
  33        return ret;
  34}
  35
  36static int get_version(void)
  37{
  38        char type = 'v';
  39        write(fd_out, &type, 1);
  40        write(fd_out, &local_version, 1);
  41        if (read(fd_in, &remote_version, 1) < 1) {
  42                return error("Couldn't read version from remote end");
  43        }
  44        return 0;
  45}
  46
  47int fetch_ref(char *ref, unsigned char *sha1)
  48{
  49        signed char remote;
  50        char type = 'r';
  51        write(fd_out, &type, 1);
  52        write(fd_out, ref, strlen(ref) + 1);
  53        read(fd_in, &remote, 1);
  54        if (remote < 0)
  55                return remote;
  56        read(fd_in, sha1, 20);
  57        return 0;
  58}
  59
  60int main(int argc, char **argv)
  61{
  62        char *commit_id;
  63        char *url;
  64        int arg = 1;
  65        const char *prog = getenv("GIT_SSH_PUSH") ? : "git-ssh-push";
  66
  67        while (arg < argc && argv[arg][0] == '-') {
  68                if (argv[arg][1] == 't') {
  69                        get_tree = 1;
  70                } else if (argv[arg][1] == 'c') {
  71                        get_history = 1;
  72                } else if (argv[arg][1] == 'a') {
  73                        get_all = 1;
  74                        get_tree = 1;
  75                        get_history = 1;
  76                } else if (argv[arg][1] == 'v') {
  77                        get_verbosely = 1;
  78                } else if (argv[arg][1] == 'w') {
  79                        write_ref = argv[arg + 1];
  80                        arg++;
  81                }
  82                arg++;
  83        }
  84        if (argc < arg + 2) {
  85                usage("git-ssh-pull [-c] [-t] [-a] [-v] [-d] [--recover] [-w ref] commit-id url");
  86                return 1;
  87        }
  88        commit_id = argv[arg];
  89        url = argv[arg + 1];
  90
  91        if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1))
  92                return 1;
  93
  94        if (get_version())
  95                return 1;
  96
  97        if (pull(commit_id))
  98                return 1;
  99
 100        return 0;
 101}