# bash completion for dnssec-keygen(8)                     -*- shell-script -*-

_dnssec_keygen_optarg()
{
    local args=$("$1" -h 2>&1 |
        command sed -e 's/|/ /g' -e 's/(.*//' \
            -ne '/^[[:space:]]*'$2'/,/^[[:space:]]*[(-]/p' |
        command sed -e 's/^[[:space:]]*'$2'.*://' -e '/^[[:space:]]*-/d')
    COMPREPLY+=($(compgen -W '$args' -- "$cur"))
}

_dnssec_keygen()
{
    local cur prev words cword
    _init_completion || return

    case $prev in
        -[hbEgLpsPARIDSi])
            return
            ;;
        -K)
            _filedir -d
            return
            ;;
        -[ancdfTtm])
            _dnssec_keygen_optarg "$1" $prev
            return
            ;;
        -r)
            cur=${cur:=/dev/}
            _filedir
            return
            ;;
        -v)
            COMPREPLY=($(compgen -W '{0..10}' -- "$cur"))
            return
            ;;
    esac

    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W '$(_parse_help "$1" | \
            command sed -e "s/:\$//")' -- "$cur"))
        return
    fi
} &&
    complete -F _dnssec_keygen dnssec-keygen

# ex: filetype=sh