if repo_type == 'git':

        r = backend(safe_str(destination_fork_path), create=True,

                src_url=safe_str(source_repo_path),

                update_after_clone=update_after_clone,

                bare=True)

        # add rhodecode hook into this repo

        ScmModel().install_git_hook(repo=r)

    elif repo_type == 'hg':

        r = backend(safe_str(destination_fork_path), create=True,

                src_url=safe_str(source_repo_path),

                update_after_clone=update_after_clone)

    else:

        raise Exception('Unknown backend type %s' % repo_type)

    log_create_repository(fork_repo.get_dict(), created_by=cur_user.username)

    action_logger(cur_user, 'user_forked_repo:%s' % fork_name,

                   fork_of.repo_name, '', DBS)

    action_logger(cur_user, 'user_created_fork:%s' % fork_name,

                   fork_name, '', DBS)

    # finally commit at latest possible stage

    DBS.commit()

def __get_codes_stats(repo_name):

    from rhodecode.config.conf import  LANGUAGES_EXTENSIONS_MAP

    repo = Repository.get_by_repo_name(repo_name).scm_instance

    tip = repo.get_changeset()

    code_stats = {}

    def aggregate(cs):

        for f in cs[2]:

            ext = lower(f.extension)

            if ext in LANGUAGES_EXTENSIONS_MAP.keys() and not f.is_binary:

                if ext in code_stats:

                    code_stats[ext] += 1

                else:

                    code_stats[ext] = 1

    map(aggregate, tip.walk('/'))

    return code_stats or {}