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#!/usr/bin/python3
# SPDX-License-Identifier: BSD-2-Clause
# Copyright (C) 2021-2025, Raspberry Pi Ltd.
#
# Generate version information for libpisp
import os
import subprocess
import sys
import time
from datetime import datetime
from string import hexdigits
digits = 12
def generate_version():
try:
if len(sys.argv) == 2:
# Check if this is a git directory
r = subprocess.run(['git', 'rev-parse', '--git-dir'],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, universal_newlines=True)
if r.returncode:
raise RuntimeError('Invalid git directory!')
# Get commit id
r = subprocess.run(['git', 'rev-parse', '--verify', 'HEAD'],
stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, universal_newlines=True)
if r.returncode:
raise RuntimeError('Invalid git commit!')
commit = r.stdout.strip('\n')[0:digits]
# Check dirty status
r = subprocess.run(['git', 'diff-index', '--quiet', 'HEAD'],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, universal_newlines=True)
if r.returncode:
commit = commit + '-dirty'
else:
raise RuntimeError('Invalid number of command line arguments')
commit = f'v{sys.argv[1]} {commit}'
except RuntimeError as e:
commit = f'v{sys.argv[1]}'
finally:
date_str = time.strftime(
"%d-%m-%Y (%H:%M:%S)",
time.gmtime(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))
)
print(f'{commit} {date_str}', end="")
if __name__ == "__main__":
generate_version()
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