#!/bin/sh
set -eu

ensure_link() {
  target="$1"
  link="$2"

  if [ ! -e "$link" ] && [ ! -L "$link" ]; then
    ln -s "$target" "$link"
  else
    if [ -L "$link" ]; then
      cur="$(readlink "$link" 2>/dev/null || true)"
      [ -n "$cur" ] && printf ' -> %s' "$cur"
    fi
  fi
}

ensure_link /usr/lib/libudfread.so.3.0.0 /usr/lib/libudfread.so.0
ensure_link /usr/lib/libbluray.so.3.0.0 /usr/lib/libbluray.so.2