Repository repository = null;

try {
	File localPath = File.createTempFile("TestGitRepository", "");
	localPath.delete();

	Git.cloneRepository()
			.setURI("https://github.com/radiant/radiant.wiki.git") 
			.setDirectory(localPath).call();

	Git git = Git.open(localPath);
	repository = git.getRepository();

} catch (IOException | GitAPIException e) {
	System.err.println("Caught Exception: " + e.getMessage());
	e.printStackTrace();
} finally {
	repository.close(); // Exception
}