| #!/bin/bash |
| # Copyright 2024 gRPC 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 |
| # |
| # 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 ensures the installation of protobuf on client machine. |
| # In case of manual run of this script, make sure you pass the args |
| # expected at |
| # https://github.com/grpc/grpc-go/blob/master/scripts/install_protoc.sh#L60 |
| |
| set -eu -o pipefail |
| |
| source "$(dirname $0)/vet-common.sh" |
| |
| # The version of protoc that will be installed. |
| PROTOC_VERSION="27.1" |
| |
| # Function to download pre-built binaries for Linux with |
| # ARCH as $1, OS as $2, and INSTALL_PATH as $3 arguments. |
| download_binary() { |
| # Check if protoc is already available. |
| if command -v protoc &> /dev/null; then |
| if INSTALL_VERSION=$(protoc --version | cut -d' ' -f2 2>/dev/null); then |
| if [ "$INSTALL_VERSION" = "$PROTOC_VERSION" ]; then |
| echo "protoc version $PROTOC_VERSION is already installed." |
| return |
| else |
| die "Existing protoc version ($INSTALL_VERSION) differs. Kindly make sure you have $PROTOC_VERSION installed." |
| fi |
| else |
| echo "Unable to determine installed protoc version. Starting the installation." |
| fi |
| fi |
| DOWNLOAD_URL="https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-$2-$1.zip" |
| # Download and unzip |
| curl -LO "$DOWNLOAD_URL" |
| INSTALL_DIR="${3:-${GOBIN:-${GOPATH:-$HOME/go}}}" |
| unzip "protoc-${PROTOC_VERSION}-$2-$1.zip" -d $INSTALL_DIR |
| rm "protoc-${PROTOC_VERSION}-$2-$1.zip" |
| rm "${INSTALL_DIR}/readme.txt" |
| } |
| |
| # Detect the architecture |
| case "$(uname -m)" in |
| "x86_64") ARCH="x86_64";; |
| "aarch64") ARCH="aarch_64";; |
| "arm64") ARCH="aarch_64";; |
| *) die "Unsupported architecture. Please consider manual installation from \ |
| https://github.com/protocolbuffers/protobuf/releases/ and add to PATH." |
| esac |
| |
| # Detect the Operating System |
| INSTALL_PATH=${1:+"$1"} |
| case "$(uname -s)" in |
| "Darwin") download_binary $ARCH "osx" "$INSTALL_PATH";; |
| "Linux") download_binary $ARCH "linux" "$INSTALL_PATH";; |
| *) die "Unsupported OS. Please consider manual installation from \ |
| https://github.com/protocolbuffers/protobuf/releases/ and add to PATH" ;; |
| esac |