Function _validate_safe_shared_directory

src/specify_cli/shared_infra.py:199–217

Validate existing directory parents while allowing missing directories.

(project_path: Path, directory: Path)

def _validate_safe_shared_directory(project_path: Path, directory: Path) -> None:
    """Validate existing directory parents while allowing missing directories."""
    root = project_path.resolve()
    rel = _shared_relative_path(project_path, directory)
    current = project_path

    for part in rel.parts:
        current = current / part
        label = _shared_destination_label(project_path, current)
        if current.is_symlink():
            raise SymlinkedSharedPathError(f"Refusing to use symlinked shared infrastructure directory: {label}")
        if not current.exists():
            continue
        if not current.is_dir():
            raise ValueError(f"Shared infrastructure directory path is not a directory: {label}")
        try:
            current.resolve().relative_to(root)
        except (OSError, ValueError):
            raise ValueError(f"Shared infrastructure directory escapes project root: {label}") from None


def _ensure_safe_shared_destination(