#!/bin/bash

cd "$(dirname "$(readlink -e "$0")")"

shutdownasap_progress=$(shutdownasap -g || echo 'none')
if [ "${shutdownasap_progress}" != 'none' ]; then
  >&2 printf 'shutdownasap in progress: %s\n' "${shutdownasap_state}"
  exit 1
fi

exec 9> sign-and-upload-all.lock
if ! flock -n 9; then
  >&2 echo 'another sign-and-upload-all still holds the lock'
  exit 1
fi

pkill -x keyboxd

for distro in arch artix; do
  for arch in x86_64 i486 i686 pentium4; do
    unset pkgs
    declare -A pkgs
    [ "${arch}" != 'x86_64' ] && [ "${distro}" != 'arch' ] && continue
    upkgs=$(
      ssh ${distro}linuxewe@eckner.net '
        bsdtar -Oxf os/'"${arch}"'/'"${distro}"'linuxewe.db.tar.gz \
        | sed -n '"'"'
          /^%FILENAME%$/ {
            N
            s/^.*\n//
            p
          }
        '"'"' \
        | while read -r f; do
          [ -f "os/'"${arch}"'/${f}" ] \
          || continue
          [ -f "os/'"${arch}"'/${f}.sig" ] \
          || continue
          [ "$(stat -c %Y "os/'"${arch}"'/${f}.sig")" -lt $(($(date +%s)-60*60*24)) ] \
          || gpg --verify "os/'"${arch}"'/${f}.sig" "os/'"${arch}"'/${f}" 2>/dev/null \
          || continue
          echo "${f}"
        done
      '
    )
    for pkg in */${distro}*-${arch}/*.pkg.tar.zst; do
      [ -f "${pkg}" ] \
      || continue
      printf '%s\n' "${pkg##*/}" \
      | grep -qxF "${upkgs}" \
      && continue
      [ -f "${pkg}.sig" ] \
      || gpg --detach-sign -u 5FDCA472AB93292BC678FD59255A76DB9A12601A "${pkg}" \
      || exit 1
      parch="${pkg##*-}"
      parch="${parch%%.*}"
      pkgs["${parch}"]+=" ${pkg}"
    done
    for archdir in "${!pkgs[@]}"; do
      rsync -av --progress \
        ${pkgs["${archdir}"]} \
        $(printf '%s.sig\n' "${pkgs["${archdir}"]}") \
        ${distro}linuxewe@eckner.net:os/${archdir}/
      if [ "${archdir}" = 'any' ]; then
        ssh ${distro}linuxewe@eckner.net '
          cd os
          for arch in */; do
            [ "${arch}" = 'any/' ] && continue
            cd ${arch}
            for pkg in '"${pkgs["${archdir}"]##*/}"'; do
              ln -s ../any/${pkg}
              ln -s ../any/${pkg}.sig
            done
            repo-add -s -k 0x3CFB0AD8F60030F8 '"${distro}"'linuxewe.db.tar.gz '"${pkgs["${archdir}"]##*/}"'
            find -maxdepth 1 -mindepth 1 -not -type d -printf '"'"'%f\n'"'"' \
            | grep -vxFf <(
              ls '"${distro}"'linuxewe.{db,files}*
              bsdtar -Oxf '"${distro}"'linuxewe.db.tar.gz \
              | sed -n '"'"'
                /^%FILENAME%$/ {
                  N
                  s/^.*\n//
                  p
                  s/$/.sig/
                  p
                }
              '"'"'
            ) \
            | xargs -r rm -f
            cd ..
          done
          cd any
          find -maxdepth 1 -mindepth 1 -not -type d -printf '"'"'%f\n'"'"' \
          | grep -vxFf <(
            for db in ../*/'"${distro}"'linuxewe.db.tar.gz; do
              bsdtar -Oxf "${db}"
            done \
            | sed -n '"'"'
              /^%FILENAME%$/ {
                N
                s/^.*\n//
                p
                s/$/.sig/
                p
              }
            '"'"'
          ) \
          | xargs -r rm -f
        '
      else
        ssh ${distro}linuxewe@eckner.net '
          cd os/'"${archdir}"'
          repo-add -s -k 0x3CFB0AD8F60030F8 '"${distro}"'linuxewe.db.tar.gz '"${pkgs["${archdir}"]##*/}"'
          find -maxdepth 1 -mindepth 1 -not -type d -printf '"'"'%f\n'"'"' \
          | grep -vxFf <(
            ls '"${distro}"'linuxewe.{db,files}*
            bsdtar -Oxf '"${distro}"'linuxewe.db.tar.gz \
            | sed -n '"'"'
              /^%FILENAME%$/ {
                N
                s/^.*\n//
                p
                s/$/.sig/
                p
              }
            '"'"'
          ) \
          | xargs -r rm -f
        '
      fi
    done
  done
done