v30.3-roots.1 · Commit 61: [PATCH 61/68] fix(release): assemble platform-specific license notices
ci/release/repack.py
Before: /dev/null · After: ci/release/repack.py
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new file mode 100644 index 0000000000000000000000000000000000000000..22ac25c74b5b5233293bfd1d9dfea8ab6da86066
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Diff rows 1–142 of 142. Line numbers refer to the original before/after files.
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Scroll the code area horizontally to read long lines. The two line-number columns refer to before and after.
ci/release/repack.py
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#!/usr/bin/env python3
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# Copyright (c) 2026-present The Bitcoin Roots developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Add reviewed notices to an existing package without changing its payload."""
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import argparse
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import copy
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import hashlib
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import io
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import json
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from pathlib import Path
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import shutil
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import sys
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import tarfile
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import tempfile
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import zipfile
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from archive import validate_archive_root
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from notices import ROOT, stage, validate_archive
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def digest_stream(stream):
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digest = hashlib.sha256()
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while data := stream.read(1024 * 1024):
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digest.update(data)
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return digest.hexdigest()
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def inventory(path):
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entries = {}
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if path.suffix == ".zip":
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with zipfile.ZipFile(path) as archive:
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for member in archive.infolist():
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with archive.open(member) as stream:
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sha256 = digest_stream(stream)
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entries[member.filename] = (member.external_attr, member.create_system,
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member.date_time, sha256)
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else:
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with tarfile.open(path, "r:gz") as archive:
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for member in archive:
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stream = archive.extractfile(member) if member.isfile() else None
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sha256 = digest_stream(stream) if stream is not None else None
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if stream is not None:
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stream.close()
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entries[member.name] = (member.type, member.mode, member.linkname,
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member.uid, member.gid, member.uname,
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member.gname, member.mtime, member.pax_headers, sha256)
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return entries
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def repack(source, destination, expected_root, inputs, platform):
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if source.resolve() == destination.resolve() or destination.exists() or destination.is_symlink():
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raise ValueError("Repacking requires a new destination; existing assets are immutable")
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if source.suffix != destination.suffix:
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raise ValueError("Repacking must preserve archive format")
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validate_archive_root(source, expected_root)
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before = inventory(source)
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has_copying = any(name.rstrip("/") == f"{expected_root}/COPYING" for name in before)
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if has_copying:
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validate_archive_root(source, expected_root, ROOT / "COPYING")
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if any(name.rstrip("/") == f"{expected_root}/notices" or
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name.startswith(f"{expected_root}/notices/") for name in before):
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raise ValueError("Source already contains notices; refuse to replace them")
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with tempfile.TemporaryDirectory() as temporary_dir:
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root = Path(temporary_dir) / expected_root
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root.mkdir()
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(root / "COPYING").write_bytes((ROOT / "COPYING").read_bytes())
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stage(root, inputs, platform)
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additions = sorted(path for path in root.rglob("*") if path.is_file() and
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f"{expected_root}/{path.relative_to(root).as_posix()}" not in before)
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# Exclusive creation also rejects a symlink or another asset created
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# between the initial check and opening the destination.
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destination_file = destination.open("xb")
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try:
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if source.suffix == ".zip":
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with zipfile.ZipFile(source) as original, zipfile.ZipFile(destination_file, "w") as output:
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output.comment = original.comment
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for member in original.infolist():
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# Preserve Unix mode/link data and all bytes inside signed apps.
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copied_member = copy.copy(member)
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with original.open(member) as stream, output.open(copied_member, "w") as target:
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shutil.copyfileobj(stream, target, length=1024 * 1024)
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# zipfile supplies Unix 0600 when this field is zero.
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# Windows archives can deliberately carry no Unix mode.
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copied_member.external_attr = member.external_attr
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for path in additions:
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member = zipfile.ZipInfo(f"{expected_root}/{path.relative_to(root).as_posix()}")
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member.create_system = 3
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member.external_attr = 0o100644 << 16
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member.compress_type = zipfile.ZIP_DEFLATED
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output.writestr(member, path.read_bytes())
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else:
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with tarfile.open(source, "r:gz") as original, tarfile.open(fileobj=destination_file, mode="w:gz") as output:
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for member in original:
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stream = original.extractfile(member) if member.isfile() else None
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output.addfile(copy.copy(member), stream)
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if stream is not None:
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stream.close()
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for path in additions:
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data = path.read_bytes()
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member = tarfile.TarInfo(f"{expected_root}/{path.relative_to(root).as_posix()}")
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member.mode = 0o644
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member.size = len(data)
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output.addfile(member, io.BytesIO(data))
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destination_file.close()
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validate_archive_root(destination, expected_root, ROOT / "COPYING")
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validate_archive(destination, expected_root, platform)
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after = inventory(destination)
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if any(after.get(name) != metadata for name, metadata in before.items()):
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raise ValueError("Repacking changed existing archive content or metadata")
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allowed = {f"{expected_root}/{path.relative_to(root).as_posix()}" for path in additions}
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if set(after) - set(before) != allowed:
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raise ValueError("Repacking introduced unexpected members")
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except Exception:
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destination_file.close()
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destination.unlink(missing_ok=True)
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raise
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return {"source": str(source), "destination": str(destination),
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"unchanged_members": len(before), "added_notice_members": len(allowed),
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"payload_bytes_modes_links_unchanged": True}
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("source", type=Path)
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parser.add_argument("destination", type=Path)
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parser.add_argument("expected_root")
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parser.add_argument("notice_inputs", type=Path)
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parser.add_argument("platform")
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args = parser.parse_args()
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try:
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print(json.dumps(repack(args.source, args.destination, args.expected_root, args.notice_inputs, args.platform), sort_keys=True))
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except (OSError, ValueError, KeyError, tarfile.TarError, zipfile.BadZipFile) as error:
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print(error, file=sys.stderr)
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return 1
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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