#!/usr/bin/env sh
## Last Updated: 2020-07-28
#
## Info: Download and re-built all images using jigdo from Debian
#
## Source: https://gist.github.com/g0tmi1k/3442a70c9a409bba688c6f7e7208407c (backup)
#

for ver in $(
  curl -s http://cdimage.debian.org/cdimage/archive/ \
    | grep href \
    | awk -F'"' '{print $6}' \
    | grep -v '-' \
    | grep -v '_' \
    | grep -v '?' \
    | grep -v 'live/' \
    | grep -v 'current/' \
    | grep -v 'project' \
    | grep '/$' \
    | grep -v '^/' \
    | sed 's_/__g' \
    | sort -u \
    | sort -h \
    | sort -r
  ); do
  major=$( printf "%02d" "$( echo ${ver} | cut -d '.' -f1 )" )

  mkdir -p "Debian ${major}/"

  for arch in amd64 i386; do
    url=$(
      curl -s http://cdimage.debian.org/cdimage/archive/${ver}/${arch}/jigdo-cd/ \
        | grep href \
        | awk -F'"' '{print $6}' \
        | grep CD-1.jigdo \
        | head -n 1
    )

    [ -z "${url}" ] \
      && echo "[-] ${ver}: Missing pre-built ISO - need to use jigdo" >&2 \
      && continue

    echo "[i] ${ver}: ${url}"

    jigdo-lite \
      --noask \
      "http://cdimage.debian.org/cdimage/archive/${ver}/${arch}/jigdo-cd/${url}"

    echo -e '\n\n\n'
  done
done

rm -f *.template *.jigdo jigdo-file-cache.db