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# * Copyright(c) 2022 ZettaScale Technology and others
# *
# * This program and the accompanying materials are made available under the
# * terms of the Eclipse Public License v. 2.0 which is available at
# * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
# * v. 1.0 which is available at
# * http://www.eclipse.org/org/documents/edl-v10.php.
# *
# * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
"""
pre-commit-hook checked-in-together
files passed as arguments either must all be checked in or none of them
"""
import sys
import hashlib
from subprocess import Popen, PIPE
def added_files():
p = Popen(
['git', 'diff', '--staged', '--name-only'],
stdout=PIPE,
stderr=PIPE
)
out, err = p.communicate()
if p.returncode != 0:
raise RuntimeError(err.decode())
return set(out.decode().splitlines())
def last_commited_files():
p = Popen(
['git', 'diff', '--name-only', 'HEAD', 'HEAD~1'],
stdout=PIPE,
stderr=PIPE
)
out, err = p.communicate()
if p.returncode != 0:
# There is not always a HEAD, not considered an error
return set()
return set(out.decode().splitlines())
def main():
added = added_files()
if not added:
# if we are in the post-added stage we verify the last commit
# (useful for CI)
added = last_commited_files()
checked = [file in added for file in sys.argv[1:]]
if any(checked) and not all(checked):
print(f"Must check in all or none of files {' '.join(sys.argv[1:])}", file=sys.stderr)
sys.exit(1)
if __name__ == "__main__":
main()
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