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|
#!/bin/sh
usage="Usage: $0 disk1|disk2"
# Set target disk
if [ $# -gt 1 ] ; then
echo $usage
exit 1
fi
if [ $# -eq 1 ] ; then
if [ "$1" = "disk1" ] ; then
mtch="/dev/sdb1 /share/hdd/data ext3 rw 0 0"
targ=/share/hdd/data
flag=.sda1root
elif [ "$1" = "disk2" ] ; then
mtch="/dev/sda1 /share/flash/data ext3 rw 0 0"
targ=/share/flash/data
flag=.sdb1root
else
echo $usage
exit 1
fi
else
echo $usage
exit 1
fi
# Check it's a real mount point
echo "Waiting for $targ"
CNT=120
while [ $CNT -gt 0 ]
do
if grep "$mtch" /proc/mounts >/dev/null 2>&1 ; then
echo "Target disk is $targ"
CNT=-1
else
echo -ne "\r$CNT "
sleep 1
CNT=`expr $CNT - 1`
fi
done
if [ $CNT -eq 0 ] ; then
echo "Error: $targ is not a mounted disk"
exit 1
fi
# Start at the root directory
cd /
# Save the existing ipkg database.
rm -rf $targ/usr/lib/ipkg.old
if [ -f $targ/usr/lib/ipkg/status ] ; then
mv $targ/usr/lib/ipkg $targ/usr/lib/ipkg.old
fi
# Copy the complete rootfs to the target.
echo "Copying the complete rootfs from / to $targ."
/usr/bin/find / -print0 -mount | /usr/bin/cpio -p -0 -d -m -u $targ
rm -rf $targ/dev ; mv $targ/dev.state $targ/dev
rm -rf $targ/var ; mv $targ/var.state $targ/var
# Copy over the existing ipkg database.
if [ -f $targ/usr/lib/ipkg.old/status ] ; then
echo "Preserving existing ipkg database on target disk."
( cd $targ/usr/lib/ipkg.old ; tar cf - . ) | ( cd $targ/usr/lib/ipkg ; tar xf - )
fi
echo "Linking /usr/bin/ipkg executable on target disk."
rm -f $targ/usr/bin/ipkg ; ln -s /usr/bin/ipkg-cl $targ/usr/bin/ipkg
# Create the boot flag file.
rm -f /.sd??root $targ/.sd??root
echo "Creating /$flag to direct switchbox to boot from $targ."
echo > /$flag
echo > $targ/$flag
exit 0
|
