#!/bin/sh

ACTION="$1"
DEVICE="/dev/$2"
LABEL=$(basename "$DEVICE")
TYPE=${3:-ufs}

WHERE="/media/${LABEL}"
POPDIR="/var/pop"

die() {
        [ "$#" -gt '0' ] && echo "$@" 1>&2
        exit 1
}


case "$ACTION" in
        "mount")	[ -c "$DEVICE" ] || [ -b "$DEVICE" ] ||  die "${0}: device \`${DEVICE}' is not a character or block special"

			mkdir -p "${WHERE}" &&
                                chmod 0777 "${WHERE}" &&
                                mount -t "${TYPE}" "${DEVICE}" "${WHERE}" ||
                                die "${0}: failed to mount \`${DEVICE}'"

                        mkdir -p "${POPDIR}" &&
                                chown root:wheel "${POPDIR}" &&
                                chmod 0755 "${POPDIR}" ||
                                die "${0}: failed to create pop file..."

                        echo -n "$DEVICE" > "${POPDIR}/${LABEL}"
                        chmod 0644 "${POPDIR}/${LABEL}" || rm "${POPDIR}/${LABEL}"
                        ;;

        "unmount")      rm -f "${POPDIR}/${LABEL}"

                        rmdir "/media/${LABEL}" ||
                                die "${0}: failed to remove \`${LABEL}'"
                        ;;

        *)              die "${0}: unknown action: \`${ACTION}'"
                        ;;
esac