peek-remote.c

   1 #include "cache.h"
   2 #include "refs.h"
   3 #include "pkt-line.h"
   4 #include <sys/wait.h>
   5
   6 static const char peek_remote_usage[] =
   7 "git-peek-remote [--exec=upload-pack] [host:]directory";
   8 static const char *exec = "git-upload-pack";
   9
  10 static int peek_remote(int fd[2], unsigned flags)
  11 {
  12         struct ref *ref;
  13
  14         get_remote_heads(fd[0], &ref, 0, NULL, flags);
  15         packet_flush(fd[1]);
  16
  17         while (ref) {
  18                 printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
  19                 ref = ref->next;
  20         }
  21         return 0;
  22 }
  23
  24 int main(int argc, char **argv)
  25 {
  26         int i, ret;
  27         char *dest = NULL;
  28         int fd[2];
  29         pid_t pid;
  30         int nongit = 0;
  31         unsigned flags = 0;
  32
  33         setup_git_directory_gently(&nongit);
  34
  35         for (i = 1; i < argc; i++) {
  36                 char *arg = argv[i];
  37
  38                 if (*arg == '-') {
  39                         if (!strncmp("--exec=", arg, 7)) {
  40                                 exec = arg + 7;
  41                                 continue;
  42                         }
  43                         if (!strcmp("--tags", arg)) {
  44                                 flags |= REF_TAGS;
  45                                 continue;
  46                         }
  47                         if (!strcmp("--heads", arg)) {
  48                                 flags |= REF_HEADS;
  49                                 continue;
  50                         }
  51                         if (!strcmp("--refs", arg)) {
  52                                 flags |= REF_NORMAL;
  53                                 continue;
  54                         }
  55                         usage(peek_remote_usage);
  56                 }
  57                 dest = arg;
  58                 break;
  59         }
  60
  61         if (!dest || i != argc - 1)
  62                 usage(peek_remote_usage);
  63
  64         pid = git_connect(fd, dest, exec);
  65         if (pid < 0)
  66                 return 1;
  67         ret = peek_remote(fd, flags);
  68         close(fd[0]);
  69         close(fd[1]);
  70         finish_connect(pid);
  71         return ret;
  72 }