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#!/bin/bash
cleanup() {
[ -d "$MNT" ] && umount $MNT && rmdir $MNT
}
exitclean() {
echo "Cleaning up to exit..."
cleanup
exit 1
}
DEV=$(readlink -f "$1")
livecd-iso-to-disk /dev/live $DEV
MNT=$(mktemp -d /media/mnttmp.XXXXXX)
mount -o loop,rw "$DEV" $MNT || exitclean
cp -r /mnt/live/syslinux $MNT
USBLABEL=$(/sbin/blkid -s UUID -o value $DEV)
USBFS=$(/sbin/blkid -s TYPE -o value $DEV)
sed -i -e "s/root=[^ ]*/root=UUID=$USBLABEL/" -e "s/rootfstype=[^ ]*/rootfstype=$USBFS/" -e "s/overlay=[^ ]*/overlay=$USBLABEL/" $MNT/syslinux/syslinux.cfg
trap exitclean SIGINT SIGTERM
echo "Done."
cleanup
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