mkbluray

#!/bin/bash
# orig: http://changelog.complete.org/archives/1172-how-to-record-high-definition-mythtv-files-to-dvd
# changes: bbdo

set -e

if [ ! -d "$1" -o -e "$2" -o -z "$2" ]; then
   echo "Syntax: $0 srcdir destimage"
   exit 1
fi

if [ "`id -u`" != "0" ]; then
   echo "This program must run as root."
   exit 1
fi

EXTRAARGS=""
if [ ! -z "$3" ]; then
   EXTRAARGS="--vid=$3"
fi

SECSIZE=1024

SIZE=`du -s $1|awk '{print $1}'`

# Add some padding
SECTORS=`expr ${SIZE} + 8192`

echo "Allocating image..."

dd if=/dev/zero "of=$2" bs=$SECSIZE "seek=$SECTORS" count=1

echo "Creating filesystem..."

mkudffs --blocksize=2048 --vid "$2" $EXTRAARGS "$2"

mkdir "$2.mnt"

mount -o rw,loop -t udf "$2" "$2.mnt"

trap "echo 'CTRL-C, cleaing up' ; sleep 3 ; umount -f $2.mnt ; rm -rf $2.mnt ; rm $2" SIGINT SIGTERM

# rsync to give OCD people something to watch.
(cd $1 && /usr/bin/rsync --recursive --progress --stats --size-only . "../$2.mnt/")
echo "finishing.."
umount "$2.mnt"
rmdir "$2.mnt"

echo "done."