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bazel-lib/lib/extensions.bzl

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Python

"Module extensions for use with bzlmod"
load(
"@aspect_bazel_lib//lib:repositories.bzl",
"register_copy_directory_toolchains",
"register_copy_to_directory_toolchains",
"register_jq_toolchains",
"register_yq_toolchains",
)
load("//lib/private:host_repo.bzl", "host_repo")
def _toolchain_extension(mctx):
register_copy_directory_toolchains(register = False)
register_copy_to_directory_toolchains(register = False)
register_jq_toolchains(register = False)
register_yq_toolchains(register = False)
create_host_repo = False
for module in mctx.modules:
if len(module.tags.host) > 0:
create_host_repo = True
if create_host_repo:
host_repo(name = "aspect_bazel_lib_host")
# TODO: some way for users to control repo name/version of the tools installed
ext = module_extension(
implementation = _toolchain_extension,
tag_classes = {"host": tag_class(attrs = {})},
)