code: protected RepositoryId getRepository(final MavenProject project,
  			final String owner, final String name)
  			throws MojoExecutionException {
  		RepositoryId repository = RepositoryUtils.getRepository(project, owner,
  				name);
  		if (repository == null)
  			throw new MojoExecutionException(
  					"No GitHub repository (owner and name) configured");
  		if (isDebug())
  			debug(MessageFormat.format("Using GitHub repository {0}",
  					repository.generateId()));
  		return repository;
  	}
docs: Get repository and throw a {@link MojoExecutionException} on failures
  
  @param project
  @param owner
  @param name
  @return non-null repository id
  @throws MojoExecutionException