tensorflow/tools/ci_build/install/install_bazel_from_source.sh

#!/usr/bin/env bash
# Copyright 2018 The TensorFlow Authors. 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.
# ==============================================================================

# This script is to be used to install bzel on non x86_64 systems
# It will compile bazel from source and install it in /usr/local/bin

# Select bazel version.
BAZEL_VERSION="4.2.2"

set +e
local_bazel_ver=$(bazel version 2>&1 | grep -i label | awk '{print $3}')

if [[ "$local_bazel_ver" == "$BAZEL_VERSION" ]]; then
  exit 0
fi

set -e

# Compile bazel from source
mkdir -p /bazel
cd /bazel

curl -fSsL -O https://github.com/bazelbuild/bazel/releases/download/$BAZEL_VERSION/bazel-$BAZEL_VERSION-dist.zip
unzip bazel-$BAZEL_VERSION-dist.zip
env EXTRA_BAZEL_ARGS="--host_javabase=@local_jdk//:jdk" bash ./compile.sh
cp output/bazel /usr/local/bin/
rm -rf /bazel