buildx/hack/hash-files

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#!/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
)