build-debian-remote-installer

#!/bin/bash

# build-remote-debian-installer
#
# Grabs the stable installer source from apt
# and configures it to allow installation via
# SSH remotely.

if [[ $_ != $0 ]]; then
  mode='sourced'
else
  mode='script'
fi

source common.sh

function check_privilege() {
  if [[ $UID != 0 ]]; then
    info 'This script needs root privileges to run, trying sudo'
    sudo echo || exit 1
  fi
}

function install_apt_dependencies() {
  info 'Installing dependencies for chroot'
  sudo aptitude install -y binutils debootstrap
}

function create_chroot() {
  info 'Creating chroot for build'
  sudo /usr/sbin/debootstrap --arch "$ARCH" "$RELEASE" di-chroot http://cdn.debian.net/debian
  sudo mkdir -p di-chroot/opt/di-build
  sudo cp common.sh chroot-payload preseed.cfg di-chroot/opt/di-build/
}

function run_chroot_build() {
  info 'Entering chroot...'
  sudo /usr/sbin/chroot di-chroot /opt/di-build/chroot-payload
}

function copy_build_artifacts() {
  cp "di-chroot/debian-installer/debian-installer-$DI_VERSION/build/dest/netboot/debian-installer/amd64/linux" '.'
  cp "di-chroot/debian-installer/debian-installer-$DI_VERSION/build/dest/netboot/debian-installer/amd64/initrd.gz" '.'
}

function main() {
  check_privilege
  install_apt_dependencies
  create_chroot
  run_chroot_build
  copy_build_artifacts
}

if [[ $mode == 'script' ]]; then
  main
fi