"""
Root conftest — runs before pytest collects any test files or imports any
production modules. Creates a temporary keyring.yaml from the test keyring
so that `import config` works without the real keyring.yaml.

Must live at the repo root (not inside tests/) to fire before collection.
"""
import shutil
from pathlib import Path

_REPO_ROOT = Path(__file__).parent
_TEST_KEYRING = _REPO_ROOT / "tests" / "keyring_test.yaml"
_KEYRING = _REPO_ROOT / "keyring.yaml"

# If the real keyring.yaml doesn't exist, copy the test version so config.py
# can load at module import time. This file is gitignored.
if not _KEYRING.exists() and _TEST_KEYRING.exists():
    shutil.copy2(_TEST_KEYRING, _KEYRING)