pub fn clone<P>(
    url: impl AsRef<OsStr>,
    directory: Option<impl Into<PathBuf>>,
    overrides: Vec<BString>,
    progress: P,
    out: impl Write,
    err: impl Write,
    _: Options
) -> Result<()>where
    P: Progress,
    P::SubProgress: 'static,
Available on crate feature blocking-client only.