#!/usr/bin/env bash

set -eu -o pipefail

: ${RELEASE_OUT=./release-out}

# checksums
if ! type shasum > /dev/null 2>&1; then
  echo >&2 "ERROR: shasum is required"
  exit 1
fi
find ./${RELEASE_OUT}/ -type f \( -iname "buildx-*" ! -iname "*darwin*" \) -print0 | sort -z | xargs -r0 shasum -a 256 -b | sed 's# .*/#  #' > ./${RELEASE_OUT}/checksums.txt

# verify
(
  cd ./${RELEASE_OUT}
  shasum -a 256 -U -c checksums.txt
)