# Based on scripts by Nick Hudson <nick.hudson@gmail.com>
# If this breaks something dont come bitchin' at me
#
# This will help with mounting and moving stuff
# around on an Ubuntu Live CD.
# You must be root to do this
# You will need squashfs for this script to work
#
# This was mostly written by hand some parts came from
# Ubuntu Wiki and the Gnome Live CD Project
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.


-include config.conf

all: copy_disk pure extract_compressed prepare_chroot update_packages brand zero_out build_fs checksums iso

# Copy contents of image to disk
copy_disk: $(LIVENAME)

$(LIVENAME):
	@mkdir -p ${ISOMNT}
	@mount -t iso9660 -o loop $1 ${ISOMNT}
	@mkdir ${LIVENAME}
	@cp -a ${ISOMNT}/. ${LIVENAME}
	@chmod -R u+w ${LIVENAME}
	@umount ${ISOMNT}

# Removing windows apps
pure: $(LIVENAME)/no-programs

$(LIVENAME)/no-programs:
	@rm -fr ${LIVENAME}/programs
	@touch $(LIVENAME)/no-programs
    
# extract compressed filesystem
extract_compressed: copy_disk new

new:
	@mkdir -p old
	@mount -t squashfs -o loop,ro ${LIVENAME}/casper/filesystem.squashfs old
	@dd if=/dev/zero of=ubuntu-fs.ext2 bs=1M count=2147
	@mke2fs -q ubuntu-fs.ext2
	@mkdir new
	@mount -o loop ubuntu-fs.ext2 new
	@cp -a old/. new
	@umount old

prepare_chroot: extract_compressed new/proc/cpuinfo

new/proc/cpuinfo:
	@cp /etc/resolv.conf new/etc/
	@cp ${BRAND}/sources.list new/etc/apt/
	@mount -t proc -o bind /proc new/proc

update_packages: prepare_chroot
	@${CHROOT} apt-get update
	@${CHROOT} apt-get -y upgrade
	@${CHROOT} apt-get -y remove ${REMOVELIST}
	@${CHROOT} apt-get -y install ${ADDLIST}
	@${CHROOT} dpkg-query -W --showformat='${Package} ${Version}\n' > ${LIVENAME}/casper/filesystem.manifest
	@sudo umount new/proc
	@sudo rm new/etc/resolv.conf

# Add branding to image
brand: update_packages
	@cp ${BRAND}/gnome-splash1.png new/usr/share/pixmaps/splash/ubuntu-slick.png
	@rm -fr new/usr/share/backgrounds/*
	@cp ${BRAND}/gnome-background.png new/usr/share/backgrounds/warty-final-ubuntu.png
	@cp -r ${BRAND}/home new/home/ubuntu
	@cp ${BRAND}/bookmarks.html new/etc/firefox/profile/
	@${CHROOT} chown -R 999:999 /home/ubuntu

zero_out:
	@dd if=/dev/zero of=new/dummyfile
	@rm new/dummyfile

# Build compressed fs - Go get some [beer,coffee,tea]
build_fs: zero_out
	@rm ${LIVENAME}/casper/filesystem.squashfs
	@cd new
	@mksquashfs . ${LIVENAME}/casper/filesystem.squashfs
    @cd ..
    @umount new

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

iso: checksums
	@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 ${LIVENAME}