src = select({
        "api_version_2": "_api/v2/v2.py",
        "//conditions:default": "_api/v1/v1.py",
    }),
    out = "__init__.py",
)

genrule(
    name = "virtual_root_init_gen",
    srcs = select({
        "api_version_2": [":virtual_root_template_v2.__init__.py"],
        "//conditions:default": [":virtual_root_template_v1.__init__.py"],
    }),