examples/ls-remote.c

   1 #include "common.h"
   2
   3 static int use_remote(git_repository *repo, char *name)
   4 {
   5         git_remote *remote = NULL;
   6         int error;
   7         const git_remote_head **refs;
   8         size_t refs_len, i;
   9         git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
  10
  11         /* Find the remote by name */
  12         error = git_remote_lookup(&remote, repo, name);
  13         if (error < 0) {
  14                 error = git_remote_create_anonymous(&remote, repo, name);
  15                 if (error < 0)
  16                         goto cleanup;
  17         }
  18
  19         /**
  20          * Connect to the remote and call the printing function for
  21          * each of the remote references.
  22          */
  23         callbacks.credentials = cred_acquire_cb;
  24
  25         error = git_remote_connect(remote, GIT_DIRECTION_FETCH, &callbacks, NULL, NULL);
  26         if (error < 0)
  27                 goto cleanup;
  28
  29         /**
  30          * Get the list of references on the remote and print out
  31          * their name next to what they point to.
  32          */
  33         if (git_remote_ls(&refs, &refs_len, remote) < 0)
  34                 goto cleanup;
  35
  36         for (i = 0; i < refs_len; i++) {
  37                 char oid[GIT_OID_HEXSZ + 1] = {0};
  38                 git_oid_fmt(oid, &refs[i]->oid);
  39                 printf("%s\t%s\n", oid, refs[i]->name);
  40         }
  41
  42 cleanup:
  43         git_remote_free(remote);
  44         return error;
  45 }
  46
  47 /** Entry point for this command */
  48 int lg2_ls_remote(git_repository *repo, int argc, char **argv)
  49 {
  50         int error;
  51
  52         if (argc < 2) {
  53                 fprintf(stderr, "usage: %s ls-remote <remote>\n", argv[-1]);
  54                 return EXIT_FAILURE;
  55         }
  56
  57         error = use_remote(repo, argv[1]);
  58
  59         return error;
  60 }