#!/bin/bash

DEST="$1"

[ -z "$DEST" -o ! -d "$DEST" ] && { echo "Usage: $0 DESTINATIONDIR" >&2 ; exit 1; }
[ ! -x /usr/bin/create_compressed_fs ] && { echo "Need /usr/bin/create_compressed_fs." ; exit 1; }

# Compression blocksize (must be multiple of 512)
# All block headers must fit into a kmalloc segment (ca. 130000 bytes)
BLOCKSIZE=65536
# BLOCKSIZE=53248
# BLOCKSIZE=102400

echo -n "Update Bootfloppy file(s)? "
read answer
if [ "$answer" = "y" ]; then
cp -uv /KNOPPIX.build/Knoppix.System/bootdisk/Knoppix/boot-*.img "$DEST"/KNOPPIX/
( cd "$DEST"/KNOPPIX && ln -f -v boot-de.img boot.img ) || exit 1
fi

[ ! -f "$DEST"/KNOPPIX/boot.img ] && { echo "Missing required file $DEST/KNOPPIX/boot.img" >&2 ; exit 1; }

echo -n "Recreate KNOPPIX compressed FS? "
read answer
if [ "$answer" = "y" ]
then
rm -f "$DEST"/KNOPPIX/KNOPPIX

# Remove files that need to be autogenerated from source dir!
echo -n "Sweep/Clean system before remastering? "
read answer
[ "$answer" = "y" ] && { . /KNOPPIX.build/Knoppix.postupgrade; . /KNOPPIX.build/Knoppix.clean; }

cat >/etc/network/interfaces <<EOT
# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface
# automatically added when upgrading
auto lo
iface lo inet loopback

EOT

cat >/etc/dhcpc/resolv.conf <<EOT
# Insert nameservers here
# nameserver 127.0.0.1
EOT

#blivius# # Mount root read-only, so no files change while generating image
#blivius# mount -o ro,remount / || { echo "Error: Cannot mount / read-only" >&2 ; exit 0; }

# Hide unwanted LOCALEs.
HIDELOCALE=""
HIDEMAN=""
MYLOCALE=$(awk -F'[="_]' '/^(LANG|LANGUAGE)=/{if(!/[$]/){x=x" "$3}}END{print x}' /etc/init.d/knoppix-autoconfig)
MYLOCALE="$MYLOCALE C en uk fi ja be"
LOCALEDIR=/usr/share/locale
MANPAGEDIR=/usr/share/man
for LOCALE in `/bin/ls -1 $LOCALEDIR`; do
[ -d "$LOCALEDIR/$LOCALE/LC_MESSAGES" ] || continue
FOUND=""
for l in $MYLOCALE; do
case "$LOCALE" in $l*) FOUND="yes" ;; esac
done
if [ -z "$FOUND" ]; then
HIDELOCALE="$HIDELOCALE -m $LOCALEDIR/$LOCALE"
[ -d "$MANPAGEDIR/$LOCALE" ] && HIDELOCALE="$HIDELOCALE -m $MANPAGEDIR/$LOCALE"
fi
done

# -U implies: -d, -l, -L, -N, -relaxed-filenames, -allow-lowercase,
# -allow-multidot and -no-iso-translate
# -iso-level 3 -U -cache-inodes -no-bak -pad \
# -hide-rr-moved \
# -m /var/lib/dpkg/available\* \
SORT=""
[ -e /KNOPPIX.build/mkisofs.sort ] && SORT="-sort /KNOPPIX.build/mkisofs.sort"
# mkisofs -pad -R -l -v $SORT \
mkisofs -R -U -v $SORT \
-V "KNOPPIX ISO9660 Filesystem" \
-P "Knopper.Net http://www.knopper.net/" \
-p "Klaus Knopper <knoppix@knopper.net>" \
-hide-rr-moved -cache-inodes -no-bak -pad \
-m /proc/\* -m /tmp/\* -m /var/tmp/\* -m /home/\* -m /initrd/\* \
-m /KNOPPIX.build -m /mnt/\*/\* -m \*.dpkg-\* \
-m /mnt/hd/\* -m /mnt/hd\* -m /mnt/cdrom\* -m /etc/fstab\* \
-m /etc/sysconfig/\* -m /etc/exports -m /etc/dhcpc/dhcpcd\* \
-m /var/spool/mail/\* -m /var/spool/mqueue/\* \
-m /etc/driveprm -m .ssh -m .bash_history \
-m /etc/printcap\* -m /var/spool/cups/tmp/\* \
-m /etc/cups/certs/\* -m /etc/cups/\*.O -m /etc/cups/ppd/\* \
-m /etc/gpm.conf -m /etc/isapnp.\* -m /etc/minirc.dfl \
-m /var/cache/debconf/\*-old -m /var/lib/\*/\*- \
-m /var/lib/\*/\*-old -m /var/log/XFree86.\* \
-m /var/samba/\*.pid -m /var/lib/samba/\* -m /var/cache/samba/\* \
-m /var/mail/\* -m /var/apt/cache/archives/lock \
-m /var/log/ksymoops\* -m /var/spool/exim/db/\* -m /etc/\*.old \
-m /etc/\*.save -m /etc/ssl/certs/\* -m \*.preserved \
-m .viminfo -m .\*.swp -m lost+found \
-m /.\?\?\* -m /root/.\?\?\* -m /etc/.\?\?\* \
-m /boot/map -m /boot/boot.0\* \
-m /usr/src/kernel\*.deb -m /usr/src/kernel\*.dsc -m /usr/src/kernel\*.changes -m /usr/src/kernel\*.tar.gz \
-m /usr/src/modules/pcmcia\* \
-m /usr/src/linux\*/drivers \
-m /usr/src/linux\*/fs \
-m /usr/src/linux\*/init \
-m /usr/src/linux\*/mm \
-m /usr/src/linux\*/net \
-m /usr/src/linux\*/vmlinu\* \
-m /usr/src/linux\*/System.map \
-m /usr/src/linux\*/ipc \
-m /usr/src/linux\*/kernel \
-m /usr/src/linux\*/lib \
-m /usr/src/linux\*/Rules.make \
-m /usr/src/linux\*/scripts \
$HIDELOCALE \
/ \
| nice -5 /usr/bin/create_compressed_fs - $BLOCKSIZE \
>"$DEST"/KNOPPIX/KNOPPIX || exit 1
mount -o rw,remount /
chmod 444 "$DEST"/KNOPPIX/KNOPPIX
# swapoff /dev/hdc2 2>/dev/null
fi

mkfinal(){
TARGET="$1.iso"
# Alternate boot record
# -eltorito-alt-boot \
# -b KNOPPIX/boot-en.img -c KNOPPIX/boot.cat \
mkisofs -pad -l -r -J -v \
-sort /tmp/knoppix.sort \
-V 'KNOPPIX' -A 'KNOPPIX CD-ROM' \
-P "KNOPPER.NET http://www.knopper.net/" \
-p "KNOPPIX CD-ROM Taskforce <knoppix@knopper.net>" \
-b KNOPPIX/boot.img -c KNOPPIX/boot.cat \
-hide-rr-moved \
-o "$TARGET" "$DEST"
}

#blivius# echo -n "Recreate KNOPPIX-DE isofile '$DEST.iso'? "
echo -n "Skipping over german version"
#blivius# read answer
answer=y
if [ "$answer" = "y" ]; then
# Make sure that the boot floppy file is at the beginning of the image.
# Some controllers seem to depend on this.
rm -f /tmp/knoppix.sort
echo "$DEST/KNOPPIX/boot.img 100002" >/tmp/knoppix.sort
echo "$DEST/KNOPPIX/KNOPPIX 100001" >>/tmp/knoppix.sort
echo "$DEST/Demos/Audio/*.mp3 -100000" >>/tmp/knoppix.sort
echo "$DEST/Demos/Audio/*.ogg -100000" >>/tmp/knoppix.sort
# Make final CD Image
## echo mkfinal "$DEST" ## echo added by blivius to disable

echo -n "Recreate KNOPPIX-EN isofile '$DEST-EN.iso'? "
read answer
if [ "$answer" = "y" ]; then
( cd "$DEST"/KNOPPIX && ln -f -v boot-en.img boot.img ) || exit 1
mkfinal "$DEST-EN"
( cd "$DEST"/KNOPPIX && ln -f -v boot-de.img boot.img ) || exit 1
fi
rm -f /tmp/knoppix.sort
fi

echo -n "BURN german CD version? "
read answer
if [ "$answer" = "y" ]; then
echo disabled by blivius, it wants to do...
echo cdrecord -v -pad -eject dev=0,1,0 speed=16 fs=24M "$DEST.iso"
fi