source: ipk/source/keys_vizcam_1_01/CONTROL/preinst@ 3648

#!/bin/sh
#
TMP=/tmp/.keys
echo "syncing disk"
sync

if [ `df | grep /dev/mtdblock | grep var | sed 's/ \+/ /g' | cut -d ' ' -f4 | tail -n1 | wc -l` -eq 1 ]; then
        SPACE=`df | grep /dev/mtdblock | grep var | sed 's/ \+/ /g' | cut -d ' ' -f4 | tail -n1`
        FREE=`expr $SPACE - 100`
        SIZE=117
        echo "checking freespace"
        echo packege size $SIZE kb
        echo freespace size $FREE kb
        if  [ "$FREE" -lt "$SIZE" ]; then
                echo "sorry no freespace left on device"
                exit 1
        else
                echo ok
        fi
fi
echo "installing VizCam config..."
echo "checking OS"
if  [ `cat /etc/motd | grep AAF | grep M | grep rev | wc -l` -eq 0 ]; then
        echo ---------------------------
        echo DONT USE this IPK Package!!
        echo ---
        echo Only for AAF Image!!
        echo ---------------------------
        exit 1
fi

if [ -e /var/keys/vizcam.conf ]; then
        echo "saving your actual vizcam.conf"
        mv /var/keys/vizcam.conf /var/keys/vizcam.conf.bak
fi

if [ -e /var/keys/vizcam.provid ]; then
        echo "saving your actual vizcam.provid"
        mv /var/keys/vizcam.provid /var/keys/vizcam.provid.bak
fi

if [ -e /var/keys/vizcam.srvid ]; then
        echo "saving your actual vizcam.srvid"
        mv /var/keys/vizcam.srvid /var/keys/vizcam.srvid.bak
fi

sync
exit 0