#!/bin/bash

set -e

if [ $# -ne 1 ]; then
  >&2 printf 'usage: %s $package\n' "${0##*/}"
  exit 1
fi

my_dir=$(dirname $(readlink -e "$0"))

cd "$1"
. PKGBUILD

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

err=0
check_it() {
  eval "$(
    {
      declare -f "package_${name}" || declare -f package
    } \
    | sed -n '
      /^\s*_pinned_dependencies/p
    '
  )"
  pkgdir="${tmp_dir}/pkg"
  eval "$(
    sed '
      s/\${FUNCNAME\[1]}/package_'"${name}"'/
    ' "${my_dir}/pin-dependencies.PKGBUILDpatch"
  )"
}

for name in "${pkgname[@]}"; do
  for prel in ${pkgrel} $((pkgrel-1)); do
    for r in \
      "/mnt/archlinuxewe/os/x86_64" \
      "/mnt/archlinux32/releng/x86_64"; do
      for a in x86_64 any; do
        for s in zst xz; do
          pkgfile="${r}/${name}-${epoch:+${epoch}:}${pkgver}-${prel}-${a}.pkg.tar.${s}"
          [ -e "${pkgfile}" ] && break
        done
        [ -e "${pkgfile}" ] && break
      done
      [ -e "${pkgfile}" ] && break
    done
    [ -e "${pkgfile}" ] && break
  done
  if [ ! -e "${pkgfile}" ]; then
    >&2 printf 'cannot find package %s\n' "${name}-${epoch:+${epoch}:}${pkgver}-${pkgrel}"
    exit 1
  fi
  mkdir "${tmp_dir}/pkg"
  bsdtar -C "${tmp_dir}/pkg" -xf "${pkgfile}"
  check_it || err=$?
  rm -rf --one-file-system "${tmp_dir}/pkg"
done

exit ${err}