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#!/usr/bin/env bash
# Copyright 2015 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.
# ==============================================================================
# Install protobuf3.
# Select protobuf version.
PROTOBUF_VERSION="3.2.0"
protobuf_ver_flat=$(echo $PROTOBUF_VERSION | sed 's/\.//g' | sed 's/^0*//g')
local_protobuf_ver=$(protoc --version | awk '{print $2}')
local_protobuf_ver_flat=$(echo $local_protobuf_ver | sed 's/\.//g' | sed 's/^0*//g')
if [[ -z $local_protobuf_ver_flat ]]; then
local_protobuf_ver_flat=0
fi
if (( $local_protobuf_ver_flat < $protobuf_ver_flat )); then
set -e
PROTOBUF_URL="https://github.com/google/protobuf/releases/download/v${PROTOBUF_VERSION}/protoc-${PROTOBUF_VERSION}-linux-x86_64.zip"
PROTOBUF_ZIP=$(basename "${PROTOBUF_URL}")
UNZIP_DEST="google-protobuf"
wget -q "${PROTOBUF_URL}"
unzip "${PROTOBUF_ZIP}" -d "${UNZIP_DEST}"
cp "${UNZIP_DEST}/bin/protoc" /usr/local/bin/
rm -f "${PROTOBUF_ZIP}"
rm -rf "${UNZIP_DEST}"
fi
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