# nc(1) completion                                         -*- shell-script -*-

_nc()
{
    local cur prev words cword
    _init_completion -n : || return

    case $prev in
        -*[hIiMmOPpqVWw])
            return
            ;;
        -*s)
            if [[ "${words[*]}" == *-6* ]]; then
                _ip_addresses -6
                __ltrim_colon_completions "$cur"
            else
                _ip_addresses
            fi
            return
            ;;
        -*T)
            COMPREPLY=( $(compgen -W 'critical inetcontrol lowcost lowdelay
                netcontrol throughput reliability ef af{11..43} cs{0..7}' \
                -- "$cur") )
            return
            ;;
        -*X)
            COMPREPLY=( $(compgen -W '4 5 connect' -- "$cur") )
            return
            ;;
        -*x)
            _known_hosts_real -- "$cur"
            return
            ;;
    esac

    if [[ "$cur" == -* ]]; then
        COMPREPLY=( $(compgen -W '$(_parse_help "$1" -h)' -- "$cur") )
        return
    fi

    # Complete 1st non-option arg only
    local args; _count_args "" "-*[IiMmOPpqsTVWwXx]"
    [[ $args -eq 1 ]] || return

    _known_hosts_real -- "$cur"
} &&
complete -F _nc nc

# ex: filetype=sh