Ben Hearsum
a754521d5b
This allows us to set `fetch-version-from` for the `early-to-late-beta` merge action. Differential Revision: https://phabricator.services.mozilla.com/D253859
51 lines
1.3 KiB
Python
Executable File
51 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
import argparse
|
|
import hashlib
|
|
import pathlib
|
|
import sys
|
|
|
|
PARSER = argparse.ArgumentParser(
|
|
description="Helper for check file hashes in Makefile instead of bare timestamps"
|
|
)
|
|
PARSER.add_argument("dst", metavar="DST", type=pathlib.Path)
|
|
PARSER.add_argument("-d", "--debug", action="store_true", default=False)
|
|
|
|
|
|
def main(argv):
|
|
args = PARSER.parse_args(argv)
|
|
dst = args.dst
|
|
assert dst.suffix == ".hash"
|
|
dirname = dst.parent
|
|
if dirname.name != ".hash":
|
|
if args.debug:
|
|
print(f"Invalid name {dst} -> dirname {dirname}", file=sys.stderr)
|
|
return 0
|
|
dirname.mkdir(exist_ok=True)
|
|
src_dir = dirname.parent
|
|
src_name = dst.stem # drop .hash
|
|
full_src = src_dir / src_name
|
|
hasher = hashlib.sha256()
|
|
try:
|
|
hasher.update(full_src.read_bytes())
|
|
except OSError:
|
|
if args.debug:
|
|
print(f"Cannot open {full_src}", file=sys.stderr)
|
|
return 0
|
|
src_hash = hasher.hexdigest()
|
|
if dst.exists():
|
|
dst_hash = dst.read_text()
|
|
else:
|
|
dst_hash = ""
|
|
if src_hash != dst_hash:
|
|
dst.write_text(src_hash)
|
|
print(f"re-hash {src_hash}")
|
|
else:
|
|
if args.debug:
|
|
print(f"Skip {src_hash} checksum, up-to-date")
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main(sys.argv[1:]))
|