builtin-peek-remote.c

   1 #include "cache.h"
   2 #include "refs.h"
   3 #include "pkt-line.h"
   4
   5 static const char peek_remote_usage[] =
   6 "git-peek-remote [--upload-pack=<git-upload-pack>] [<host>:]<directory>";
   7 static const char *uploadpack = "git-upload-pack";
   8
   9 static int peek_remote(int fd[2], unsigned flags)
  10 {
  11         struct ref *ref;
  12
  13         get_remote_heads(fd[0], &ref, 0, NULL, flags);
  14         packet_flush(fd[1]);
  15
  16         while (ref) {
  17                 printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
  18                 ref = ref->next;
  19         }
  20         return 0;
  21 }
  22
  23 int cmd_peek_remote(int argc, const char **argv, const char *prefix)
  24 {
  25         int i, ret;
  26         char *dest = NULL;
  27         int fd[2];
  28         pid_t pid;
  29         int nongit = 0;
  30         unsigned flags = 0;
  31
  32         for (i = 1; i < argc; i++) {
  33                 char *arg = argv[i];
  34
  35                 if (*arg == '-') {
  36                         if (!prefixcmp(arg, "--upload-pack=")) {
  37                                 uploadpack = arg + 14;
  38                                 continue;
  39                         }
  40                         if (!prefixcmp(arg, "--exec=")) {
  41                                 uploadpack = arg + 7;
  42                                 continue;
  43                         }
  44                         if (!strcmp("--tags", arg)) {
  45                                 flags |= REF_TAGS;
  46                                 continue;
  47                         }
  48                         if (!strcmp("--heads", arg)) {
  49                                 flags |= REF_HEADS;
  50                                 continue;
  51                         }
  52                         if (!strcmp("--refs", arg)) {
  53                                 flags |= REF_NORMAL;
  54                                 continue;
  55                         }
  56                         usage(peek_remote_usage);
  57                 }
  58                 dest = arg;
  59                 break;
  60         }
  61
  62         if (!dest || i != argc - 1)
  63                 usage(peek_remote_usage);
  64
  65         pid = git_connect(fd, dest, uploadpack, 0);
  66         if (pid < 0)
  67                 return 1;
  68         ret = peek_remote(fd, flags);
  69         close(fd[0]);
  70         close(fd[1]);
  71         ret |= finish_connect(pid);
  72         return !!ret;
  73 }