kleaf/impl/empty_binary.bzl

# Copyright (C) 2024 The Android Open Source Project
#
# 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
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# 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.

"""When `bazel run`, does nothing."""

visibility("//build/kernel/kleaf/...")

def _empty_binary_impl(ctx):
    executable = ctx.actions.declare_file("{}".format(ctx.attr.name))
    ctx.actions.write(executable, "", is_executable = True)

    return DefaultInfo(
        files = depset([executable]),
        executable = executable,
    )

# Sync with kleaf/bazel.py
empty_binary = rule(
    implementation = _empty_binary_impl,
    executable = True,
)