#!/bin/bash

# See https://gitlab.com/fedora/bootc/examples/-/blob/main/physically-bound-images/README.md

set -euxo pipefail

image=$1
additional_copy_args=${2:-""}

mkdir -p /usr/lib/containers-image-cache
sha=$(echo "$image" | sha256sum | awk '{ print $1 }')
skopeo copy $additional_copy_args --preserve-digests docker://$image dir:/usr/lib/containers-image-cache/$sha
echo "$image,$sha" >> /usr/lib/containers-image-cache/mapping.txt