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# Licensed under the GPL: https://www.gnu.org/licenses/gpl-3.0.en.html
# For details: reprotest/debian/copyright
import argparse
import binascii
import locale
import os
import pathlib
import platform
import stat
import subprocess
import sys
import tempfile
import time
if __name__ == '__main__':
# print(os.environ)
arg_parser = argparse.ArgumentParser(
description='Create binaries for testing reproducibility.',
formatter_class=argparse.RawDescriptionHelpFormatter)
arg_parser.add_argument('captures', nargs='*',
help='Reproducibility properties.')
captures = set(arg_parser.parse_args().captures)
output = ["mock-build: " + ", ".join(sorted(captures))]
# This test can theoretically fail by producing the same
# random bits in both runs, but it is extremely unlikely.
if 'irreproducible' in captures:
output.append(binascii.b2a_hex(os.urandom(1024)).decode("utf-8"))
# Like the above test, this test can theoretically fail by
# producing the same file order, but this is unlikely, if not
# as unlikely as in the above test.
if 'aslr' in captures:
output.append(id("teststring123"))
if 'environment' in captures:
output.extend("%s=%s" % pair for pair in os.environ.items())
if 'build_path' in captures:
output.append(os.getcwd())
if 'fileordering' in captures:
# Ensure this temporary directory is created in the disorders
# mount point by passing the dir argument.
with tempfile.TemporaryDirectory(dir=str(pathlib.Path.cwd())) as temp:
test_file_order = pathlib.Path(temp)
for i in range(20):
str((test_file_order/str(i)).touch())
output.extend(p.name for p in test_file_order.iterdir())
if 'domain_host' in captures:
output.append(platform.node())
if 'home' in captures:
output.append(os.path.expanduser('~'))
if 'kernel' in captures:
output.append(subprocess.check_output(['uname', '-r']).decode("utf-8"))
if 'num_cpus' in captures:
output.append(subprocess.check_output(['nproc']).decode("utf-8"))
if 'locales' in captures:
output.extend(l or '(None)' for l in locale.getlocale())
output.append(subprocess.check_output(['locale']).decode("utf-8"))
if 'exec_path' in captures:
output.extend(p for p in os.get_exec_path())
if 'time' in captures:
output.append(str(time.time()))
if 'timezone' in captures:
output.append(str(time.timezone))
if 'umask' in captures:
with tempfile.TemporaryDirectory(dir=str(pathlib.Path.cwd())) as temp:
test_permissions = pathlib.Path(temp)/'test_permissions'
test_permissions.touch()
output.append(stat.filemode(test_permissions.stat().st_mode))
else:
os.umask(0o0022) # otherwise open() will capture the surrounding one in its file metadata
with open('artifact', 'w') as fp:
for line in output:
print(line, file=fp)
#print(line, file=sys.stderr)
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