/// Parse a remote refspec into a peer id and ref.

pub fn parse_remote(refspec: &str) -> Option<(NodeId, &str)> {

    refspec

        .strip_prefix("refs/remotes/")

        .and_then(|s| s.split_once('/'))

        .and_then(|(peer, r)| NodeId::from_str(peer).ok().map(|p| (p, r)))

}