#! /bin/sh
#----------------------------------------------------------------------------
# system-devices-mount-cdrom - mount CDROM
#
# Creation   :  2003-07-19 fm
# Last Update:  $Id$
#
# Copyright (c) 2003-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------
. /var/install/include/eislib
CHOOSE=/var/install/bin/choose
mountpath=/media/cdrom
echo

# ---------------------------------------------------------------------------
# check cdrom
# ---------------------------------------------------------------------------
check_cdrom()
{
    # check modules
    if ! lsmod | grep -q '^sr_mod'
    then
        /sbin/modprobe sr_mod >/dev/null 2>&1
        sleep 2
    fi

    # get installed cdrom devices
    _cd_devices=$(cat /proc/sys/dev/cdrom/info |
                  awk -F: '/drive name:/ { print $2 }')

    _cd_nr=$(echo ${_cd_devices} | sed 's/ /\n/' | wc -l)

    # clear devices
    cdrom=''

    # only, found more then one cd devices
    if [ ${_cd_nr} -gt 1 ]
    then
        CD_ROWS=0

        for j in ${_cd_devices}
        do
            # close
            eject -t /dev/${j}
            case ${j} in
            s*)
                sleep 10
                ;;
            esac
            # check if medium exists in cd drive
            label="$(blkid /dev/${j} |
                    sed 's|.*LABEL="\(.*\)" TYPE.*$|\1|')"

            if [ -n "${label}" ]
            then
                CD_ROWS=$(expr ${CD_ROWS} + 1)
                eval cdrom_${CD_ROWS}='"${j}"'
                eval CD_${CD_ROWS}_1=\"${j}\"
                eval CD_${CD_ROWS}_2='\"${label}\"'
                export CD_${CD_ROWS}_1
                export CD_${CD_ROWS}_2
            fi
        done

        CD_TITLE='Located CD or DVD media'
        CD_FLAGS='--indent 12 --spread'
        CD_COLS='6 40'
        CD_QUESTION='Select'
        export CD_TITLE
        export CD_FLAGS
        export CD_COLS
        export CD_QUESTION
        export CD_ROWS

        # show selction only if more then one medium found
        if [ ${CD_ROWS} -gt 1 ]
        then
            _ask_tmpfile=$(/bin/mktemp -t XXXXXXXXXXXXX)
            ${CHOOSE} CD 1 > ${_ask_tmpfile}
            rc=${?}
            read answer < ${_ask_tmpfile}
            rm -f ${_ask_tmpfile}

            # if ask break, ask returned 255
            if [ ${rc} = 255 ]
            then
                answer=0
            fi

            case ${answer} in
            '')
                rm -f ${tmp}
                exit 0
                ;;
            0)
                rm -f ${tmp}
                exit 127
                ;;
            *)
                eval cdrom='$cdrom_'${answer}
                ;;
            esac
        else
            eval cdrom='$cdrom_'1
        fi
    else
        cdrom=${_cd_devices}
    fi

    # create link to /dev/cdrom
    if [ -n "${cdrom}" ]
    then
        _pwd=$(pwd)
        cd /dev
        rm -f cdrom
        ln -sf ${cdrom} cdrom
        cd ${_pwd}
    fi
}
# ---------------------------------------------------------------------------
# mount cdrom
# ---------------------------------------------------------------------------
mount_cdrom()
{
    echo
    if [ -e /dev/cdrom ]
    then
        mount -r -t iso9660 /dev/cdrom ${mountpath}

        if [ ${?} -eq 0 ]
        then
            mecho -n --info "mount successful, path is "
            mecho "${mountpath}."
        else
            mecho --error "mount failed."
        fi
    else
        mecho --error "no /dev/cdrom found"
    fi
}
# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

if mount | grep -q '/cdrom'
then
    mecho -n "${mountpath} "
    mecho --warn "already mounted."
    echo
    anykey
    exit 0
fi

check_cdrom

mount_cdrom

echo
anykey
exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------