builtin-ls-remote.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "transport.h"
   4 #include "remote.h"
   5
   6 static const char ls_remote_usage[] =
   7 "git-ls-remote [--upload-pack=<git-upload-pack>] [<host>:]<directory>";
   8
   9 int cmd_ls_remote(int argc, const char **argv, const char *prefix)
  10 {
  11         int i;
  12         const char *dest = NULL;
  13         int nongit = 0;
  14         unsigned flags = 0;
  15         const char *uploadpack = NULL;
  16
  17         struct remote *remote;
  18         struct transport *transport;
  19         const struct ref *ref;
  20
  21         setup_git_directory_gently(&nongit);
  22
  23         for (i = 1; i < argc; i++) {
  24                 const char *arg = argv[i];
  25
  26                 if (*arg == '-') {
  27                         if (!prefixcmp(arg, "--upload-pack=")) {
  28                                 uploadpack = arg + 14;
  29                                 continue;
  30                         }
  31                         if (!prefixcmp(arg, "--exec=")) {
  32                                 uploadpack = arg + 7;
  33                                 continue;
  34                         }
  35                         if (!strcmp("--tags", arg)) {
  36                                 flags |= REF_TAGS;
  37                                 continue;
  38                         }
  39                         if (!strcmp("--heads", arg)) {
  40                                 flags |= REF_HEADS;
  41                                 continue;
  42                         }
  43                         if (!strcmp("--refs", arg)) {
  44                                 flags |= REF_NORMAL;
  45                                 continue;
  46                         }
  47                         usage(ls_remote_usage);
  48                 }
  49                 dest = arg;
  50                 break;
  51         }
  52
  53         if (!dest || i != argc - 1)
  54                 usage(ls_remote_usage);
  55
  56         remote = nongit ? NULL : remote_get(dest);
  57         if (remote && !remote->url_nr)
  58                 die("remote %s has no configured URL", dest);
  59         transport = transport_get(remote, remote ? remote->url[0] : dest);
  60         if (uploadpack != NULL)
  61                 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
  62
  63         ref = transport_get_remote_refs(transport);
  64
  65         if (!ref)
  66                 return 1;
  67
  68         while (ref) {
  69                 if (check_ref_type(ref, flags))
  70                         printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
  71                 ref = ref->next;
  72         }
  73         return 0;
  74 }