"""Fixed root-owned import path; no user site, environment path or import hooks."""

import os
import sys
from pathlib import Path

root = Path("/var/lib/mission-core-k1-runtime")
reference = root / "active.path"
runtime = Path(reference.read_text().strip())
if (
    reference.is_symlink()
    or runtime.is_symlink()
    or runtime.parent != root
    or not runtime.name.isalnum()
    or runtime.stat().st_uid != 0
    or runtime.stat().st_mode & 0o022
):
    raise RuntimeError("Unsafe K1 runtime")
sys.path[:0] = [
    str(runtime), str(runtime / "rerun_sdk"),
    "/usr/lib/mission-core-node/k1/src", "/usr/lib/mission-core-node/sdk",
]
os.environ["MISSIONCORE_DATA_DIR"] = "/var/lib/mission-core-k1"
from k1link.device_plugins.xgrids_k1.node_bridge import main

main()