thodg/libgit2/examples/network/ls-remote.c

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• Hash : 7562422a
  Author :
  Date : 2019-01-24T10:30:58
  

  examples: merge common network code
  
  Right now, we have two sets of "common" code, one containing
  general common code and one containing network common code. As we
  intend to get rid of the network subdirectory and instead merge
  all examples into a single standalone executable, this
  distinction doesn't make a lot of sense now. Furthermore, the
  common network code is not that big.
  
  Let's get rid of the common network code by merging it into the
  general common code.
  

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• examples/network/ls-remote.c

• #include "../common.h"
  
  static int use_remote(git_repository *repo, char *name)
  {
  	git_remote *remote = NULL;
  	int error;
  	const git_remote_head **refs;
  	size_t refs_len, i;
  	git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
  
  	/* Find the remote by name */
  	error = git_remote_lookup(&remote, repo, name);
  	if (error < 0) {
  		error = git_remote_create_anonymous(&remote, repo, name);
  		if (error < 0)
  			goto cleanup;
  	}
  
  	/**
  	 * Connect to the remote and call the printing function for
  	 * each of the remote references.
  	 */
  	callbacks.credentials = cred_acquire_cb;
  
  	error = git_remote_connect(remote, GIT_DIRECTION_FETCH, &callbacks, NULL, NULL);
  	if (error < 0)
  		goto cleanup;
  
  	/**
  	 * Get the list of references on the remote and print out
  	 * their name next to what they point to.
  	 */
  	if (git_remote_ls(&refs, &refs_len, remote) < 0)
  		goto cleanup;
  
  	for (i = 0; i < refs_len; i++) {
  		char oid[GIT_OID_HEXSZ + 1] = {0};
  		git_oid_fmt(oid, &refs[i]->oid);
  		printf("%s\t%s\n", oid, refs[i]->name);
  	}
  
  cleanup:
  	git_remote_free(remote);
  	return error;
  }
  
  /** Entry point for this command */
  int ls_remote(git_repository *repo, int argc, char **argv)
  {
  	int error;
  
  	if (argc < 2) {
  		fprintf(stderr, "usage: %s ls-remote <remote>\n", argv[-1]);
  		return EXIT_FAILURE;
  	}
  
  	error = use_remote(repo, argv[1]);
  
  	return error;
  }
  

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