#!/bin/bash

# This script do the following:
#	 Download last Ubuntu LTS 16.04 (xenial)
#	 Download Ubuntu 15.10 (wily)
#	 Make a symlink to access to the last LTS

TFTP_ROOT="/var/lib/tftpboot"

# last Long Term Support distribution name
LTS="xenial"

for DISTRO in wily ${LTS}; do
	for ARCH in amd64 i386; do
		mkdir -p ${TFTP_ROOT}/installer/ubuntu/${DISTRO}/${ARCH}
		pushd ${TFTP_ROOT}/installer/ubuntu/${DISTRO}/${ARCH}
		wget http://fr.archive.ubuntu.com/ubuntu/dists/${DISTRO}/main/installer-${ARCH}/current/images/netboot/ubuntu-installer/${ARCH}/linux -O linux
		wget http://fr.archive.ubuntu.com/ubuntu/dists/${DISTRO}/main/installer-${ARCH}/current/images/netboot/ubuntu-installer/${ARCH}/initrd.gz -O initrd.gz
		popd
	done
done

# Link the LTS distribution name to lts
unlink ${TFTP_ROOT}/installer/ubuntu/lts
ln -s ${LTS} ${TFTP_ROOT}/installer/ubuntu/lts

exit 0