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rune/scripts/install_wr_daemon.py
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style: ruff-format branch-added python files
CI lint's format-check on added files (base-range dependent) failed on
files that predate the format gate's effective coverage. Formatting-only:
no semantic changes; integration tests 15/15, ruff check clean, ratchet
PASS, daemon convergence re-verified.
2026-09-19 03:32:24 +01:00

84 lines
2.7 KiB
Python

#!/usr/bin/env python3
"""install_wr_daemon.py — REAL_ASYNC_BRIDGE §6: daemon governance.
Canonical source lives IN THIS REPO at bridge/daemon/. The active install
is ~/.local/share/mimo-wait-resume/. This script is the ONLY supported
way to move code between them:
- copy canonical source → install dir (atomic, per file)
- verify sha256 convergence (fail loud on divergence)
- optionally restart the daemon via scripts/start_wr_daemon.py
Never hand-edit the installed copy: edit the repo source, install, restart.
"""
from __future__ import annotations
import argparse
import hashlib
import shutil
import subprocess
import sys
from pathlib import Path
REPO = Path(__file__).resolve().parent.parent
CANONICAL = REPO / "bridge" / "daemon"
INSTALL = Path.home() / ".local/share/mimo-wait-resume"
FILES = ("daemon.py", "waitstore.py", "verify.py", "completion_file.py")
def sha256(p: Path) -> str:
return hashlib.sha256(p.read_bytes()).hexdigest()
def main() -> int:
ap = argparse.ArgumentParser(description=__doc__)
ap.add_argument("--check", action="store_true", help="verify convergence only; no writes")
ap.add_argument("--restart", action="store_true", help="restart the daemon after install")
args = ap.parse_args()
if not CANONICAL.is_dir():
print(f"canonical source missing: {CANONICAL}")
return 1
INSTALL.mkdir(parents=True, exist_ok=True)
diverged = []
for name in FILES:
src, dst = CANONICAL / name, INSTALL / name
if args.check:
if not dst.is_file() or sha256(src) != sha256(dst):
diverged.append(name)
continue
if not dst.is_file() or sha256(src) != sha256(dst):
tmp = dst.with_suffix(f".tmp.{name}")
shutil.copy2(src, tmp)
tmp.replace(dst) # atomic
print(f"installed: {name} {sha256(src)[:12]}")
else:
print(f"unchanged: {name} {sha256(src)[:12]}")
if args.check:
if diverged:
print(f"DIVERGED: {', '.join(diverged)} — run install_wr_daemon.py")
return 1
print("CONVERGED: installed copy == canonical repo source")
return 0
# post-install convergence proof
bad = [n for n in FILES if sha256(CANONICAL / n) != sha256(INSTALL / n)]
if bad:
print(f"INSTALL FAILED convergence: {bad}")
return 1
print("CONVERGED: installed copy == canonical repo source")
if args.restart:
rc = subprocess.call([sys.executable, str(REPO / "scripts" / "start_wr_daemon.py")])
if rc != 0:
print("restart failed")
return 1
return 0
if __name__ == "__main__":
sys.exit(main())