#!/bin/sh
# written by Nick Hudson nick.hudson@gmail.com
# This will make it so that you can remaster a already
# made live cd filesystem
set -x
. config.conf

export REMOVELIST
export ADDLIST
#set -x
# Checking for root and squashfs support
[ `id -u` -eq 0 ] || error you must be root.
[ `lsmod |grep squashfs |awk '{print $3}'` -eq 0 ] || error Try installing squashfs modprobe squashfs 

banner Mounting Live CD File System
umount ${WORK}/new
mount -o loop ${WORK}/ubuntu-fs.ext2 ${WORK}/new

# chrooting into new system
banner Moving into a chroot
cp /etc/resolv.conf ${WORK}/new/etc/resolv.conf 
mount -t proc -o bind /proc ${WORK}/new/proc

# Updating new chroot
${CHROOT} apt-get update
banner Removing packages not needed
${CHROOT} apt-get -y remove ${REMOVELIST}
#${CHROOT} apt-get -y --quiet upgrade
banner Adding packages we want
${CHROOT} apt-get -y --quiet install ${ADDLIST}
#${CHROOT} dpkg -i -R /var/cache/apt/archives/ 1>&2 2>/dev/null
${CHROOT} apt-get clean
${CHROOT} apt-get autoclean
${CHROOT} dpkg-query -W --showformat='${Package} ${Version}\n' > ${WORK}/${LIVENAME}/casper/filesystem.manifest
sudo umount ${WORK}/new/proc
sudo rm ${WORK}/new/etc/resolv.conf

# Add branding to image
banner Branding Live CD 
# Splash screen branding
cp ${BRAND}/gnome-splash1.png ${WORK}/new/usr/share/pixmaps/splash/
${CHROOT} gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --type string --set /apps/gnome-session/options/splash_image "/usr/share/pixmaps/splash/gnome-splash1.png"
# Background branding
#rm -fr ${WORK}/new/usr/share/backgrounds/
cp ${BRAND}/gnome-background.jpg ${WORK}/new/usr/share/backgrounds/
${CHROOT} chmod 777 /usr/share/backgrounds/gnome-background.jpg
${CHROOT}  gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --type string --set /desktop/gnome/background/picture_filename "/usr/share/backgrounds/gnome-background.jpg"
# Setting "foot" icon in Gnome Panel
cp ${BRAND}/balu-foot.png ${WORK}/new/usr/share/pixmaps/
for i in `find ${WORK}/new/usr/share -name distributor-logo.png`; do
	cp $i $i.bak ;
	cp ${WORK}/new/usr/share/pixmaps/balu-foot.png $i;
done
for i in `find ${WORK}/new/usr/share -name start-here.png`; do
	cp $i $i.bak ;
	cp ${WORK}/new/usr/share/pixmaps/balu-foot.png $i;
done
for i in `find ${WORK}/new/usr/share -name distributor*.svg`; do
	cp $i $i.bak
	cp ${BRAND}/balu-foot.svg $i;
done
# Set up a different Theme
#${CHROOT}  gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --type string --set /desktop/gnome/interface/gtk_theme "IndustrialTango"
#${CHROOT}  gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --type string --set /desktop/gnome/interface/icon_theme "Tango"

# Home branding
cp -r ${BRAND}/home ${WORK}/new/home/ubuntu
cp ${BRAND}/bookmarks.html ${WORK}/new/etc/firefox/profile/

# Branding grub menu
cp ${BRAND}/splash.pcx ${LIVENAME}/isolinux/splash.pcx
cp ${BRAND}/isolinux.txt ${LIVENAME}/isolinux/isolinux.txt
cp ${BRAND}/isolinux.cfg ${LIVENAME}/isolinux/isolinux.cfg

# Setting perms for user
${CHROOT} chown -R 999:999 /home/ubuntu

# Clear free disk space
banner Clearing disk space
dd if=/dev/zero of=${WORK}/new/dummyfile
rm ${WORK}/new/dummyfile

# Build compressed fs - Go get some [beer,coffee,tea]
banner Building compressed fs
rm ${WORK}/${LIVENAME}/casper/filesystem.squashfs
cd ${WORK}/new
mksquashfs . ${WORK}/${LIVENAME}/casper/filesystem.squashfs

banner Unmounting live fs
cd ${WORK}
umount ${WORK}/new

# Crate new Live CD
banner Creating new Live CD
cd ${WORK}/${LIVENAME}
find . -type f -print0 | xargs -0 md5sum | tee md5sum.txt

# Now build ISO
banner Building ISO image
cd ${WORK}
mkisofs -o balu-livecd-`date +%F`.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -r -V "BALUG Live Linux CD" -cache-inodes -J -l ${WORK}/${LIVENAME}

echo "Burn ${WORK}/balu-livecd-`date +%F`.iso or run it in qemu or vmware"
echo "To run in qemu do this: qemu -cdrom cdname.iso -boot -d"