Add script for building and archiving rustdocs.

#!/bin/bash -ex

# Copyright 2021 Google Inc. All rights reserved.

#

# 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.

# Builds the platform rustdocs and copies them to the dist directory to provide

# online docs for each build.

if [ -z "${OUT_DIR}" ]; then

    echo Must set OUT_DIR

    exit 1

fi

source build/envsetup.sh

m rustdoc

if [ -n "${DIST_DIR}" ]; then

    mkdir -p ${DIST_DIR}

    cp -r ${OUT_DIR}/soong/rustdoc $DIST_DIR/rustdoc

fi