blob: 2a1f2a56a643397537c5f7e7c400de74447248f4 [file] [log] [blame]
# Copyright 2021 The Pigweed Authors
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""Configure Pigweed's backend implementations."""
def _pigweed_config_impl(repository_ctx):
if repository_ctx.attr.build_file_content and \
fail("Attributes 'build_file_content' and 'build_file' cannot both be \
defined at the same time.")
if not repository_ctx.attr.build_file_content and \
not repository_ctx.attr.build_file:
fail("Either 'build_file_content' or 'build_file' must be defined.")
if != "pigweed_config":
fail("This repository should be name 'pigweed_config'")
if repository_ctx.attr.build_file_content:
repository_ctx.file("BUILD", repository_ctx.attr.build_file_content)
if repository_ctx.attr.build_file:
repository_ctx.template("BUILD", repository_ctx.attr.build_file, {})
pigweed_config = repository_rule(
attrs = {
"build_file_content": attr.string(
doc = "The build file content to configure Pigweed.",
mandatory = False,
default = "",
"build_file": attr.label(
doc = "The label for the Pigweed config build file to use.",
mandatory = False,
default = "@pigweed//targets/host:host_config.BUILD",
doc = """
Configure Pigweeds backend implementations.
# This must use the exact name specified here otherwise this
# remote repository will not function as expected.
name = "pigweed_config",
build_file = "//path/to/config.BUILD",