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#!/bin/bash
set -e
TARGET=""
MBR=""
DISTRO=MythVantage
MP=`pwd`
# Find out which partition or disk are we using
MYMNT=$(cd -P $(dirname $0) ; pwd)
while [ "$MYMNT" != "" -a "$MYMNT" != "." -a "$MYMNT" != "/" ]; do
TARGET=$(egrep "[^[:space:]]+[[:space:]]+$MYMNT[[:space:]]+" /proc/mounts | cut -d " " -f 1)
if [ "$TARGET" != "" ]; then break; fi
MYMNT=$(dirname "$MYMNT")
done
if [ "$TARGET" = "" ]; then
echo "Can't find device to install to."
echo "Make sure you run this script from a mounted device."
exit 1
fi
MBR=$(echo "$TARGET" | sed -r "s/[0-9]+\$//g")
NUM=${TARGET:${#MBR}}
cd "$MYMNT"
clear
echo $MP
echo "This installer will setup disk $TARGET to boot only $DISTRO."
if [ "$MBR" != "$TARGET" ]; then
echo
echo "Warning! Master boot record (MBR) of $MBR will be overwritten."
echo "If you use $MBR to boot any existing operating system, it will not work"
echo "anymore. Only $DISTRO will boot from this device. Be careful!"
fi
echo
echo "Press any key to continue, or Ctrl+C to abort..."
read junk
clear
echo "Flushing filesystem buffers, this may take a while..."
sync
pwd
# setup MBR if the device is not in superfloppy format
if [ "$MBR" != "$TARGET" ]; then
echo "Setting up MBR on $MBR..."
syslinux/lilo -S /dev/null -M $MBR ext
# this must be here to support -A for extended partitions
#echo "Activating partition $TARGET..."
syslinux/lilo -S /dev/null -A $MBR $NUM
echo "Updating MBR on $MBR..."
# this must be here because LILO mbr is bad. mbr.bin is from syslinux
cat syslinux/mbr.bin > $MBR
fi
echo "Setting up boot record for $TARGET..."
syslinux/syslinux $TARGET
echo "Disk $TARGET should be bootable now. Installation finished."
echo
echo "Read the information above and then press any key to exit..."
read junk
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