# vim: set ft=sh:
run_hook ()
{
    local line i address rootserver rootpath

    : > /ip_opts

    if [ -n "${ip}" ]; then
        # setup network and save some values
        ipconfig "${ip}" | while read line; do
            # echo ":: ${line}"
            if [ "${line#"IP-Config:"}" != "${line}" ]; then
                continue
            fi
            line="$(echo ${line} | sed -e 's/ :/:/g;s/: /=/g')"
            for i in ${line}; do
                case "${i}" in
                    address=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    netmask=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    gateway=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    dns0=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    dns1=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    rootserver=*)
                        echo "${i}" >> /ip_opts
                        ;;
                    rootpath=*)
                        echo "${i}" >> /ip_opts
                        ;;
                esac
            done
        done

        . /ip_opts

        echo "IP-Config: ${address}/${netmask}"
        echo "IP-Config: gw: ${gateway}    dns0: ${dns0}    dns1: ${dns1}"

        # calculate nfs_server, nfs_path and nfs_option for later nfs mount
        if [ "${root}" = "/dev/nfs" -o "${nfsroot}" != "" ]; then
            # default rootpath
            if [ "${rootpath}" = "" ]; then
                rootpath="/tftpboot/${address}"
            fi

            # parse nfsroot
            line="${nfsroot}"
            nfs_server="${line%%:*}"
            [ "${nfs_server}" = "${line}" ] && nfs_server="${rootserver}"
            line="${line#*:}"
            nfs_path="${line%%,*}"
            line="${line#"${nfs_path}"}"
            [ "${nfs_path}" = "" ] && nfs_path="${rootpath}"
            nfs_option="${line#","}"

            # ensure root and filesystem type are set proper for nfs boot
            root="/dev/nfs"
            rootfstype="nfs"

            echo "NFS-root: ${nfs_server}:${nfs_path}"
        fi
    fi
}