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 transport *transport;
  18         const struct ref *ref;
  19
  20         setup_git_directory_gently(&nongit);
  21
  22         for (i = 1; i < argc; i++) {
  23                 const char *arg = argv[i];
  24
  25                 if (*arg == '-') {
  26                         if (!prefixcmp(arg, "--upload-pack=")) {
  27                                 uploadpack = arg + 14;
  28                                 continue;
  29                         }
  30                         if (!prefixcmp(arg, "--exec=")) {
  31                                 uploadpack = arg + 7;
  32                                 continue;
  33                         }
  34                         if (!strcmp("--tags", arg)) {
  35                                 flags |= REF_TAGS;
  36                                 continue;
  37                         }
  38                         if (!strcmp("--heads", arg)) {
  39                                 flags |= REF_HEADS;
  40                                 continue;
  41                         }
  42                         if (!strcmp("--refs", arg)) {
  43                                 flags |= REF_NORMAL;
  44                                 continue;
  45                         }
  46                         usage(ls_remote_usage);
  47                 }
  48                 dest = arg;
  49                 break;
  50         }
  51
  52         if (!dest || i != argc - 1)
  53                 usage(ls_remote_usage);
  54
  55         transport = transport_get(NULL, dest);
  56         if (uploadpack != NULL)
  57                 transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);
  58
  59         ref = transport_get_remote_refs(transport);
  60
  61         if (!ref)
  62                 return 1;
  63
  64         while (ref) {
  65                 if (check_ref_type(ref, flags))
  66                         printf("%s      %s\n", sha1_to_hex(ref->old_sha1), ref->name);
  67                 ref = ref->next;
  68         }
  69         return 0;
  70 }