66 lines
2.1 KiB
Python
Executable File
66 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# mypy: disallow-untyped-defs
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# pylint: disable=C0103,C0114,C0116
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######################################################################
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#
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# Copyright 2005-2025 by Wilson Snyder. This program is free software; you
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# can redistribute it and/or modify it under the terms of either the GNU
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# Lesser General Public License Version 3 or the Perl Artistic License
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# Version 2.0.
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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#
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######################################################################
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# DESCRIPTION: Query git to get version number
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import argparse
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import os
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import re
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import sys
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from datetime import datetime, timezone
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def get_rev() -> str:
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if 'VERILATOR_SRC_VERSION' in os.environ:
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# e.g. Ubuntu package build
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return os.environ['VERILATOR_SRC_VERSION']
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data = os.popen('git describe --always').read()
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if 'SOURCE_DATE_EPOCH' in os.environ:
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# e.g. Package builds that don't set VERILATOR_SRC_VERSION
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stamp = datetime.fromtimestamp(int(os.getenv("SOURCE_DATE_EPOCH", "0")), tz=timezone.utc)
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else:
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stamp = datetime.now(timezone.utc)
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result = "vUNKNOWN-built" + stamp.strftime("%Y%m%d")
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m = re.search(r'^(v[0-9].*)', data)
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if m:
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# e.g. in a complate verilator checkout with tags; ignore build time
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result = m.group(1)
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result = re.sub('_', '.', result)
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else:
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# e.g. in a sparse submodule checkout without tags; append hash
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m = re.search(r'^([a-f0-9]+)$', data)
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if m:
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result += "-" + m.group(1)
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data = os.popen('git status').read()
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if (re.search('Changed but not updated', data, flags=re.IGNORECASE)
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or re.search('Changes to be committed', data, flags=re.IGNORECASE)
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or re.search('Changes not staged', data, flags=re.IGNORECASE)):
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result += " (mod)"
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return result
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parser = argparse.ArgumentParser()
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parser.add_argument('directory')
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Args = parser.parse_args()
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os.chdir(Args.directory)
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rev = get_rev()
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print("config_rev using " + rev, file=sys.stderr)
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print("static const char* const DTVERSION_rev = \"" + rev + "\";")
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