tftpboot/scripts/download_debian.sh

#!/bin/bash

# This script do the following:
#	 Download Debian Stable (jessie)
#	 Download Debian Testing (stretch)
#	 Download Debian Unstable (sid)
#	 Make an PXE's config file (aka menu.cfg)

TFTP_ROOT="/var/lib/tftpboot"

# Config file
CONFIG_PXE="${TFTP_ROOT}/installer/debian/menu.cfg.example"
rm -f ${CONFIG_PXE} && touch ${CONFIG_PXE}

for DISTRO in jessie stretch sid; do	# For ALL Debian's version
	for ARCH in amd64 i386; do					# For all classic architecture
		# Config file
		echo "label install" >> "${CONFIG_PXE}"

		# Create and go into directory
		mkdir -p ${TFTP_ROOT}/installer/debian/${DISTRO}/${ARCH}
		pushd ${TFTP_ROOT}/installer/debian/${DISTRO}/${ARCH}

		# Download files
		wget http://ftp.fr.debian.org/debian/dists/${DISTRO}/main/installer-${ARCH}/current/images/netboot/debian-installer/${ARCH}/linux -O linux
		wget http://ftp.fr.debian.org/debian/dists/${DISTRO}/main/installer-${ARCH}/current/images/netboot/debian-installer/${ARCH}/initrd.gz -O initrd.gz
		popd

		# Config file
		/bin/cat >> "${CONFIG_PXE}" << EOF
		menu label Debian GNU/Linux ${DISTRO} ^${ARCH} bits
		kernel installer/debian/${DISTRO}/${ARCH}/linux
		append vga=normal initrd=installer/debian/${DISTRO}/${ARCH}/initrd.gz -- quiet
EOF
	done

	# Config file
	/bin/cat >> "${CONFIG_PXE}" << EOF
label separator
		menu label ---
EOF
done

# Config file
/bin/cat >> "${CONFIG_PXE}" << EOF
label mainmenu
		menu label ^Back..
		menu exit
EOF

exit 0