#!/bin/sh
set -eu

: "${IMAGE_STORAGE_SOURCE:?Set IMAGE_STORAGE_SOURCE to the source image-storage directory}"
: "${IMAGE_STORAGE_DESTINATION:?Set IMAGE_STORAGE_DESTINATION to the restore target directory}"

if [ ! -d "$IMAGE_STORAGE_SOURCE" ]; then
  printf '%s\n' "Image storage source not found: $IMAGE_STORAGE_SOURCE" >&2
  exit 1
fi

mkdir -p "$IMAGE_STORAGE_DESTINATION"
cp -a "$IMAGE_STORAGE_SOURCE/." "$IMAGE_STORAGE_DESTINATION/"

printf '%s\n' "Image storage restored from $IMAGE_STORAGE_SOURCE to $IMAGE_STORAGE_DESTINATION"