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