alpine.conf

pre-start script
	echo "Log from $(date)" > /mnt/us/alpine.log
	exec >>/mnt/us/alpine.log 2>&1
	echo "# Alpine ::: pre-start script"

	echo "Starting alpine linux"
	mkdir -p /tmp/alpine
	mount -o loop,noatime -t ext3 /mnt/base-us/alpine.ext3 /tmp/alpine
	mount -o bind /dev /tmp/alpine/dev
	mount -o bind /dev/pts /tmp/alpine/dev/pts
	mount -o bind /proc /tmp/alpine/proc
	mount -o bind /sys /tmp/alpine/sys
	mount -o bind /var/run/dbus/ /tmp/alpine/run/dbus/
	cp /etc/hosts /tmp/alpine/etc/hosts
	chmod a+w /dev/shm
end script


script
	exec >>/mnt/us/alpine.log 2>&1
	echo "# Alpine ::: script"

	sleep 1
	stop lab126_gui

	su -c "chroot /tmp/alpine /startgui.sh"

	kill $(pgrep Xephyr)
	kill -9 $(lsof -t /var/tmp/alpine/)
end script


post-stop script
	exec >>/mnt/us/alpine.log 2>&1
	echo "# Alpine ::: post-stop script"

	echo "Unmounting Alpine rootfs"
	LOOPDEV="$(mount | grep loop | grep /tmp/alpine | cut -d" " -f1)"
	umount /tmp/alpine/run/dbus/
	umount /tmp/alpine/sys
	sleep 1
	umount /tmp/alpine/proc
	umount /tmp/alpine/dev/pts
	umount /tmp/alpine/dev
	# Sync beforehand so umount doesn't fail due to the device being busy still
	sync
	umount /tmp/alpine || true
	# Sometimes it fails still and only works by trying again
	while [ "$(mount | grep /tmp/alpine)" ]
	do
		echo "Alpine is still mounted, trying again shortly.."
		sleep 3
		umount /tmp/alpine || true
	done
	echo "Alpine unmounted"
	echo "Disassociating loop device >>$LOOPDEV<<"
	losetup -d $LOOPDEV
	echo "All done, starting kindle's gui."

	start lab126_gui
end script