Andrew's git - gitweb.git/blob

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