def cli(log_level):
    """Manage tmux sessions.

    Pass the "--help" argument to any command to see detailed help.
    See detailed documentation and examples at:
    http://tmuxp.readthedocs.io/en/latest/"""
    try:
        has_minimum_version()
    except TmuxCommandNotFound:
        click.echo('tmux not found. tmuxp requires you install tmux first.')
        sys.exit()
    except exc.TmuxpException as e:
        click.echo(e, err=True)
        sys.exit()
    setup_logger(level=log_level.upper())
Manage tmux sessions.

    Pass the "--help" argument to any command to see detailed help.
    See detailed documentation and examples at:
    http://tmuxp.readthedocs.io/en/latest/