correct local_cache to use for "diff"

[drernie]

I am trying to find the "local cache" used on quit3 install to detect changes in the user-facing download directory.

However, it doesn't seem like the quilt3 API actually uses that anymore. Am I misinterpreting something?

From class QuiltLocal in quiltplus/local.py:

from quilt3.backends import get_package_registry  # type: ignore
self.local_registry = get_package_registry()
base_path = Path(self.local_registry.base.path)
logging.debug(f"local_registry.base.path: {base_path}")
if not base_path.exists():
            logging.warning(f"local_cache does not exist: {base_path}")