'Return all of this repository\'s repository dependencies, ignoring their attributes like prior_installation_required and
only_if_compiling_contained_td.'

@property
def repository_dependencies(self):

    required_repositories = []
    for rrda in self.required_repositories:
        repository_dependency = rrda.repository_dependency
        required_repository = repository_dependency.repository
        if required_repository:
            required_repositories.append(required_repository)
    return required_repositories
