native macOS codings agent orchestrator prowl.onev.cat
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105#!/usr/bin/env python3"""Preserve build input times only when cached content still matches checkout."""
import argparseimport hashlibimport jsonimport osfrom pathlib import Pathimport subprocess
# The SwiftPM packages. The app also compiles `Shared` and the relay wire types.INPUTS = ["CLI", "Shared", "Mirror/Relay"]# The Xcode projects are generated; the manifests and xcconfig files are their tracked inputs.APP_INPUTS = ["App", "Mirror/Shared", "Workspace.swift", "Tuist.swift", ".package.resolved"]
def tracked_inputs(root, scope): def listed(paths): output = subprocess.check_output( ["git", "ls-files", "-z", "--", *paths], cwd=root, text=True ) return {name for name in output.split("\0") if name}
cli = listed(INPUTS) if scope == "cli": return sorted(cli) # The CLI cache owns shared-source timestamps. Restoring a second timestamp # for those files would invalidate SwiftPM's restored incremental state. return sorted(listed(APP_INPUTS) - cli)
def regular_input(root, name): path = Path(name) if path.is_absolute() or ".." in path.parts: return None current = root for part in path.parts: current = current / part if current.is_symlink(): return None return current if current.is_file() else None
def digest(path): return hashlib.sha256(path.read_bytes()).hexdigest()
def save(root, names, manifest): files = {} for name in names: path = regular_input(root, name) if path is not None: files[name] = {"sha256": digest(path), "mtime_ns": path.stat().st_mtime_ns} manifest.parent.mkdir(parents=True, exist_ok=True) manifest.write_text(json.dumps({"version": 1, "root": str(root), "files": files}))
def restore(root, names, manifest): try: data = json.loads(manifest.read_text()) except (OSError, ValueError): return 0 if not isinstance(data, dict) or data.get("version") != 1 or data.get("root") != str(root): return 0 files = data.get("files") if not isinstance(files, dict): return 0 restored = 0 for name in names: entry = files.get(name) path = regular_input(root, name) if path is None or not isinstance(entry, dict): continue timestamp = entry.get("mtime_ns") if type(timestamp) is not int or not 0 <= timestamp < 2**63: continue if entry.get("sha256") != digest(path): continue os.utime(path, ns=(path.stat().st_atime_ns, timestamp)) restored += 1 return restored
def main(): parser = argparse.ArgumentParser(description=__doc__) parser.add_argument("action", choices=["save", "restore"]) parser.add_argument("--scope", choices=["cli", "app"], default="cli") parser.add_argument("--manifest", type=Path) args = parser.parse_args() root = Path.cwd().resolve() names = tracked_inputs(root, args.scope) manifest = args.manifest or root / "CLI/.build/prowl-ci-source-mtimes.json" if args.scope == "app" and args.manifest is None: parser.error("--scope app requires --manifest") if args.action == "save": save(root, names, manifest) print(f"Saved {args.scope} source content and modification times.") else: count = restore(root, names, manifest) print(f"Restored modification times for {count} unchanged {args.scope} inputs.")
if __name__ == "__main__": main()