UPSTREAM_ISO_NAME=tails-i386-1.2.iso
WORK_DIR=work
CHROOT_DIR=${WORK_DIR}/chroot
ISOLINUX_DIR=${WORK_DIR}/cd/isolinux

setup:
	mkdir -p ${CHROOT_DIR} ${WORK_DIR}/cd

	mkdir -p ${WORK_DIR}/mountpoint
	mount -o loop upstream/${UPSTREAM_ISO_NAME} ${WORK_DIR}/mountpoint
	rsync --exclude=/live/filesystem.squashfs -a ${WORK_DIR}/mountpoint/ ${WORK_DIR}/cd

	mkdir -p ${WORK_DIR}/squashfs
	mount -t squashfs -o loop ${WORK_DIR}/mountpoint/live/filesystem.squashfs ${WORK_DIR}/squashfs
	cp -a ${WORK_DIR}/squashfs/* ${CHROOT_DIR}
	umount ${WORK_DIR}/squashfs
	rmdir ${WORK_DIR}/squashfs

	umount ${WORK_DIR}/mountpoint
	rmdir ${WORK_DIR}/mountpoint

	# TODO: move setup here, teardown to target 'image'

chroot:
	mount --bind /dev     ${CHROOT_DIR}/dev
	mount --bind /dev/pts ${CHROOT_DIR}/dev/pts
	mount --bind /proc    ${CHROOT_DIR}/proc

	cp /etc/resolv.conf /etc/hosts ${CHROOT_DIR}/etc/

	# boot menu
	cp isolinux/clearnet486.cfg   ${ISOLINUX_DIR}/
	cp isolinux/clearnetamd64.cfg ${ISOLINUX_DIR}/
	cp isolinux/live486.cfg       ${ISOLINUX_DIR}/
	cp isolinux/liveamd64.cfg     ${ISOLINUX_DIR}/

	# for chroot work
	cp Makefile.guest ${CHROOT_DIR}/Makefile
	mv ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy.disabled
	echo 'rootfs / rootfs rw 0 0' > ${CHROOT_DIR}/etc/mtab

	mkdir -p ${CHROOT_DIR}/etc/openvpn
	# prep for openvpn testing
	cp openvpn/test.crt     ${CHROOT_DIR}/etc/openvpn/ca.crt

	cp openvpn/client.conf       ${CHROOT_DIR}/etc/openvpn/  # TODO: move to Makefile.guest
	cp ferm-clear.conf   ${CHROOT_DIR}/etc/ferm/
	cp unfermify         ${CHROOT_DIR}/etc/init.d/
	cp untorify          ${CHROOT_DIR}/etc/init.d/
	cp environment.clean ${CHROOT_DIR}/etc/  # required by untorify

	chroot ${CHROOT_DIR} apt-get update
	chroot ${CHROOT_DIR} apt-get install -y make
	chroot ${CHROOT_DIR} make

	# launchers
	cp yokai-openvpn-launcher  ${CHROOT_DIR}/usr/local/bin/
	cp yokai-sshuttle-launcher ${CHROOT_DIR}/usr/local/bin/
	cp yokai-launcher          ${CHROOT_DIR}/usr/local/bin/
	cp yokai-launcher-nosudo   ${CHROOT_DIR}/usr/local/bin/
	cp 60-yokai-launcher.sh    ${CHROOT_DIR}/etc/NetworkManager/dispatcher.d/

	#chroot ${CHROOT_DIR} /bin/bash

	# reverse the adjustments made for chroot
	rm ${CHROOT_DIR}/etc/mtab
	mv ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy.disabled ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy
	rm ${CHROOT_DIR}/Makefile

	umount ${CHROOT_DIR}/proc
	umount ${CHROOT_DIR}/dev/pts
	umount ${CHROOT_DIR}/dev

justchroot:
	mount --bind /dev     ${CHROOT_DIR}/dev
	mount --bind /dev/pts ${CHROOT_DIR}/dev/pts
	mount --bind /proc    ${CHROOT_DIR}/proc

	cp /etc/resolv.conf /etc/hosts ${CHROOT_DIR}/etc/

	# setup
	cp Makefile.guest ${CHROOT_DIR}/Makefile
	mv ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy.disabled
	echo 'rootfs / rootfs rw 0 0' | sudo tee ${CHROOT_DIR}/etc/mtab > /dev/null

	chroot ${CHROOT_DIR} /bin/bash

	# teardown
	rm ${CHROOT_DIR}/etc/mtab
	mv ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy.disabled ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy
	rm ${CHROOT_DIR}/Makefile

	umount ${CHROOT_DIR}/proc
	umount ${CHROOT_DIR}/dev/pts
	umount ${CHROOT_DIR}/dev

unfail:
	# teardown
	rm ${CHROOT_DIR}/etc/mtab
	mv ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy.disabled ${CHROOT_DIR}/etc/apt/apt.conf.d/0000runtime-proxy
	rm ${CHROOT_DIR}/Makefile

	umount ${CHROOT_DIR}/proc
	umount ${CHROOT_DIR}/dev/pts
	umount ${CHROOT_DIR}/dev

image:
	mksquashfs ${CHROOT_DIR} work/cd/live/filesystem.squashfs -noappend
	genisoimage -r -V "TAILS-Custom" -b isolinux/isolinux.bin -c isolinux/boot.cat -cache-inodes -J -l -no-emul-boot -boot-load-size 4 -boot-info-table -o work/tails-custom.iso work/cd
	isohybrid work/heads.iso --entry 4 --type 0x1c

imagecopy:
	cp work/heads.iso heads-`date +%Y%m%d%H%M`.iso

clean:
	rm -rf ${WORK_DIR}