mirror of
https://github.com/allaunthefox/Research-Stack.git
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83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""Emit a machine-readable manifest of the build substrate."""
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from __future__ import annotations
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import argparse
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import hashlib
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import json
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import subprocess
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from datetime import datetime, timezone
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from pathlib import Path
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def sha256_file(path: Path) -> str:
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digest = hashlib.sha256()
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with path.open("rb") as handle:
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for chunk in iter(lambda: handle.read(1024 * 1024), b""):
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digest.update(chunk)
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return digest.hexdigest()
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def run(*args: str) -> str:
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completed = subprocess.run(
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list(args),
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check=True,
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text=True,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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return completed.stdout.strip()
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--root", required=True, help="Workspace root to inspect.")
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parser.add_argument("--output", required=True, help="Path to the JSON manifest output.")
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return parser.parse_args()
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def main() -> int:
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args = parse_args()
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root = Path(args.root).resolve()
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output = Path(args.output).resolve()
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lock_path = root / "components.lock.json"
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lock = json.loads(lock_path.read_text(encoding="utf-8"))
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tracked = []
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for component in lock["components"]:
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rel_path = component["path"]
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full_path = root / rel_path
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tracked.append(
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{
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"path": rel_path,
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"sha256": sha256_file(full_path),
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}
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)
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os_release_path = Path("/etc/os-release")
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manifest = {
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"schema": "hutter_build_manifest_v1",
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"generated_utc": datetime.now(timezone.utc).isoformat(),
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"root": str(root),
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"os_release": os_release_path.read_text(encoding="utf-8")
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if os_release_path.is_file()
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else "",
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"tool_versions": {
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"python3": run("python3", "--version"),
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"xz": run("xz", "--version").splitlines()[0],
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"tar": run("tar", "--version").splitlines()[0],
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"gcc": run("gcc", "--version").splitlines()[0],
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},
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"apk_world": run("apk", "info", "-vv"),
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"tracked_components": tracked,
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}
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output.write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8")
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print(f"Wrote build manifest to {output}")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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