| """Create an isolated Mac Git checkout and install the handoff payload.""" |
|
|
| import argparse |
| import hashlib |
| import json |
| import shutil |
| import subprocess |
| from pathlib import Path, PurePosixPath |
|
|
|
|
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument("destination", nargs="?", type=Path) |
| args = parser.parse_args() |
| package = Path(__file__).resolve().parent |
| manifest = json.loads( |
| (package / "handoff-manifest.json").read_text(encoding="utf-8") |
| ) |
| default = Path.home() / "Documents/Sources" / manifest.get("checkout_name", "VimeML-v21-coreml") |
| destination = (args.destination or default).expanduser().resolve() |
| if destination.exists(): |
| parser.error("Destination exists; choose a new checkout directory.") |
| destination.parent.mkdir(parents=True, exist_ok=True) |
| subprocess.run( |
| [ |
| "git", |
| "clone", |
| "--branch", |
| manifest["source_branch"], |
| str(package / "repository.bundle"), |
| str(destination), |
| ], |
| check=True, |
| ) |
| head = subprocess.check_output( |
| ["git", "rev-parse", "HEAD"], cwd=destination, text=True |
| ).strip() |
| if head != manifest["source_commit"]: |
| raise ValueError("Git checkout does not match the recorded source commit.") |
| subprocess.run( |
| ["git", "remote", "set-url", "origin", manifest["remote"]], |
| cwd=destination, |
| check=True, |
| ) |
| subprocess.run( |
| ["git", "switch", "-c", manifest["mac_branch"]], cwd=destination, check=True |
| ) |
| for entry in manifest["payload_files"]: |
| relative = PurePosixPath(entry["path"]) |
| if ( |
| relative.is_absolute() |
| or ".." in relative.parts |
| or relative.parts[0] not in {"artifacts", "outputs"} |
| ): |
| raise ValueError("Unexpected payload path.") |
| source = package / "payload" / relative |
| target = destination / relative |
| if not source.is_file() or source.stat().st_size != entry["bytes"]: |
| raise ValueError(f"Missing/incomplete payload file: {relative}") |
| if "sha256" in entry: |
| with source.open("rb") as stream: |
| if hashlib.file_digest(stream, "sha256").hexdigest() != entry["sha256"]: |
| raise ValueError(f"Payload checksum mismatch: {relative}") |
| if target.exists(): |
| raise ValueError(f"Payload would overwrite a checkout file: {relative}") |
| target.parent.mkdir(parents=True, exist_ok=True) |
| shutil.copy2(source, target) |
| record = destination / manifest.get("handoff_record", "outputs/deployment/mac-v21-handoff.json") |
| record.parent.mkdir(parents=True, exist_ok=True) |
| record.write_text( |
| json.dumps(manifest, ensure_ascii=False, indent=2) + "\n", encoding="utf-8" |
| ) |
| print(f"Ready: {destination}") |
| print("Artifact exchange: docs/reference/artifact-exchange.md") |
| print( |
| "No dependencies installed, conversion, quantization or device operation started." |
| ) |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
