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#!/usr/bin/env sh
#
# SPDX-License-Identifier: GPL-2.0-only
main() {
if [ "$#" != 1 ]; then
echo "Usage: $0 MAINBOARD_PARTNUMBER" >&2
exit 1
fi
# Generate a test-only Chrome OS HWID v2 string
local board="$1"
local prefix="$(echo "${board}" | tr a-z A-Z) TEST"
# gzip has second-to-last 4 bytes in CRC32.
local crc32="$(printf "${prefix}" | gzip -1 | tail -c 8 | head -c 4 | \
hexdump -e '1/4 "%04u" ""' | tail -c 4)"
echo "${prefix}" "${crc32}"
}
main "$@"
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