#!/bin/bash

# to be executed on nlopc43 ... sry for all the hard-coded stuff

set -e

destination='/mnt/archlinux32/archisos'
base_dir=$(
  readlink -e "${0%/*}"
)

case "$(hostname -s)" in
  'nlopc43')
    echo 'build isos on nlopc46 ...'
    rsync "$0" nlopc46.ioq.uni-jena.de:/tmp/
    isos=$(
      ssh nlopc46.ioq.uni-jena.de "/tmp/${0##*/}"
    )
    echo '... done.'

    if [ -z "${isos}" ]; then
      echo 'no isos were built!?'
      exit 1
    fi

    echo 'sign and upload isos ...'

    tmp_dir=$(mktemp -d)
    trap 'cd "${base_dir}"; rm -rf --one-file-system "${tmp_dir}"' EXIT

    rsync -av $(printf 'nlopc46.ioq.uni-jena.de:%s\n' ${isos}) "${tmp_dir}/"

    isos=$(
      printf '%s\n' "${isos}" | \
        sed 's,^.*/,,'
    )

    cd "${tmp_dir}"
    cp "${destination}/sha512sums" .
    cp "${destination}/md5sums" .

    date=$(
      printf '%s\n' "${isos}" \
      | sed 's/^.*-\([^-]\+\)-[^-]\+$/\1/' \
      | sort -u
    )

    for iso in ${isos}; do
      gpg --detach-sign "${iso}"
    done
    sha512sum ${isos} >> sha512sums
    md5sum ${isos} >> md5sums
    sort -k2,2 sha512sums --output sha512sums
    sort -k2,2 md5sums --output md5sums

    cp $(
      printf '%s\n' ${isos}
      printf '%s.sig\n' ${isos}
    ) sha512sums md5sums "${destination}/"

    "${base_dir}/al32-mktorrent.sh" -d "${date}" -t "hefur@archlinux32:"

    mv $(
      printf '%s.torrent\n' ${isos}
    ) feed_dual.rss feed_i686.rss "${destination}/"

    "${base_dir}/update-website" \
      --torrent-seed-i686 "https://pool.mirror.archlinux32.org/archisos/archlinux-${date}-i686.iso.torrent" \
      --torrent-seed-dual "https://pool.mirror.archlinux32.org/archisos/archlinux-${date}-dual.iso.torrent" \
      --update-iso

    echo '... done.'
    ;;
  'nlopc46')
    if [ "$(whoami)" = 'root' ]; then
      cd "/usr/share/archiso/configs/$1"
      rm --one-file-system -rf out work
      mkdir out work
      ./build.sh
      chown "${SUDO_USER}:users" out/archlinux-*.iso
      mv out/archlinux-*.iso "$2/"
      exit
    fi

    rm -rf --one-file-system ~/archisos
    mkdir ~/archisos

    >&2 echo 'build i686-iso ...'

    >&2 sudo "$0" releng32 ~/archisos/

    >&2 echo '... done.'

    >&2 echo 'build dual-iso ...'

    >&2 sudo "$0" releng-dual ~/archisos/

    >&2 echo '... done.'
    
    find ~/archisos/ -type f
  ;;
  *)
    >&2 echo 'execute on nlopc43 (or nlopc46) - sry'
    exit 1
  ;;
esac