post_upgrade() {
  if [ "$(uname -m)" = "x86_64" ] || [ "$(uname -m)" = "i686" ]; then
    if findmnt --fstab -uno SOURCE /boot &>/dev/null && ! mountpoint -q /boot; then
      echo "WARNING: /boot appears to be a separate partition but is not mounted."
    fi
  fi
}

post_remove() {
  rm -f boot/initramfs-linux-libre-lts.img
  rm -f boot/initramfs-linux-libre-lts-fallback.img
}