1*cc02d7e2SAndroid Build Coastguard Worker#!/bin/bash 2*cc02d7e2SAndroid Build Coastguard Worker# Copyright 2019 The gRPC Authors 3*cc02d7e2SAndroid Build Coastguard Worker# 4*cc02d7e2SAndroid Build Coastguard Worker# Licensed under the Apache License, Version 2.0 (the "License"); 5*cc02d7e2SAndroid Build Coastguard Worker# you may not use this file except in compliance with the License. 6*cc02d7e2SAndroid Build Coastguard Worker# You may obtain a copy of the License at 7*cc02d7e2SAndroid Build Coastguard Worker# 8*cc02d7e2SAndroid Build Coastguard Worker# http://www.apache.org/licenses/LICENSE-2.0 9*cc02d7e2SAndroid Build Coastguard Worker# 10*cc02d7e2SAndroid Build Coastguard Worker# Unless required by applicable law or agreed to in writing, software 11*cc02d7e2SAndroid Build Coastguard Worker# distributed under the License is distributed on an "AS IS" BASIS, 12*cc02d7e2SAndroid Build Coastguard Worker# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*cc02d7e2SAndroid Build Coastguard Worker# See the License for the specific language governing permissions and 14*cc02d7e2SAndroid Build Coastguard Worker# limitations under the License. 15*cc02d7e2SAndroid Build Coastguard Worker 16*cc02d7e2SAndroid Build Coastguard Worker 17*cc02d7e2SAndroid Build Coastguard Worker# Keeping up with Bazel's breaking changes is currently difficult. 18*cc02d7e2SAndroid Build Coastguard Worker# This script wraps calling bazel by downloading the currently 19*cc02d7e2SAndroid Build Coastguard Worker# supported version, and then calling it. This way, we can make sure 20*cc02d7e2SAndroid Build Coastguard Worker# that running bazel will always get meaningful results, at least 21*cc02d7e2SAndroid Build Coastguard Worker# until Bazel 1.0 is released. 22*cc02d7e2SAndroid Build Coastguard Worker# NOTE: This script relies on bazel's feature where //tools/bazel 23*cc02d7e2SAndroid Build Coastguard Worker# script can be used to hijack "bazel" invocations in given workspace. 24*cc02d7e2SAndroid Build Coastguard Worker 25*cc02d7e2SAndroid Build Coastguard Workerset -e 26*cc02d7e2SAndroid Build Coastguard Worker 27*cc02d7e2SAndroid Build Coastguard Worker# DISABLE_BAZEL_WRAPPER can be set to eliminate the wrapper logic 28*cc02d7e2SAndroid Build Coastguard Workerif [ "${DISABLE_BAZEL_WRAPPER}" != "" ] && [ "${OVERRIDE_BAZEL_VERSION}" == "" ] 29*cc02d7e2SAndroid Build Coastguard Workerthen 30*cc02d7e2SAndroid Build Coastguard Worker if [ "${BAZEL_REAL}" != "" ] 31*cc02d7e2SAndroid Build Coastguard Worker then 32*cc02d7e2SAndroid Build Coastguard Worker # use BAZEL_REAL as set by 33*cc02d7e2SAndroid Build Coastguard Worker # https://github.com/bazelbuild/bazel/blob/master/scripts/packages/bazel.sh 34*cc02d7e2SAndroid Build Coastguard Worker # that originally invoked this script (this is what happens when you 35*cc02d7e2SAndroid Build Coastguard Worker # run "bazel" in our workspace) 36*cc02d7e2SAndroid Build Coastguard Worker exec -a "$0" "${BAZEL_REAL}" "$@" 37*cc02d7e2SAndroid Build Coastguard Worker else 38*cc02d7e2SAndroid Build Coastguard Worker # if BAZEL_REAL is not set, just invoke the default system bazel 39*cc02d7e2SAndroid Build Coastguard Worker exec bazel "$@" 40*cc02d7e2SAndroid Build Coastguard Worker fi 41*cc02d7e2SAndroid Build Coastguard Workerfi 42*cc02d7e2SAndroid Build Coastguard Worker 43*cc02d7e2SAndroid Build Coastguard Worker# Read the bazel version from .bazelversion file in the root of the grpc repository 44*cc02d7e2SAndroid Build Coastguard WorkerBAZELVERSION_FILE_PATH="$(dirname $(readlink -f "$0"))/../.bazelversion" 45*cc02d7e2SAndroid Build Coastguard WorkerVERSION_FROM_BAZELVERSION_FILE=$(cat ${BAZELVERSION_FILE_PATH}) 46*cc02d7e2SAndroid Build Coastguard WorkerVERSION=${OVERRIDE_BAZEL_VERSION:-${VERSION_FROM_BAZELVERSION_FILE}} 47*cc02d7e2SAndroid Build Coastguard Workerecho "INFO: Running bazel wrapper (see //tools/bazel for details), bazel version $VERSION will be used instead of system-wide bazel installation." >&2 48*cc02d7e2SAndroid Build Coastguard Worker 49*cc02d7e2SAndroid Build Coastguard Worker# update tools/update_mirror.sh to populate the mirror with new bazel archives 50*cc02d7e2SAndroid Build Coastguard WorkerBASEURL_MIRROR="https://storage.googleapis.com/grpc-bazel-mirror/github.com/bazelbuild/bazel/releases/download" 51*cc02d7e2SAndroid Build Coastguard WorkerBASEURL="https://github.com/bazelbuild/bazel/releases/download" 52*cc02d7e2SAndroid Build Coastguard Workerpushd "$(dirname "$0")" >/dev/null 53*cc02d7e2SAndroid Build Coastguard Worker# bazel binary will be downloaded to GRPC_REPO_ROOT/tools directory by default 54*cc02d7e2SAndroid Build Coastguard WorkerDOWNLOAD_DIR=${OVERRIDE_BAZEL_WRAPPER_DOWNLOAD_DIR:-$(pwd)} 55*cc02d7e2SAndroid Build Coastguard Worker 56*cc02d7e2SAndroid Build Coastguard Workercase $(uname -sm) in 57*cc02d7e2SAndroid Build Coastguard Worker "Linux x86_64") 58*cc02d7e2SAndroid Build Coastguard Worker suffix=linux-x86_64 59*cc02d7e2SAndroid Build Coastguard Worker ;; 60*cc02d7e2SAndroid Build Coastguard Worker "Linux aarch64") 61*cc02d7e2SAndroid Build Coastguard Worker suffix=linux-arm64 62*cc02d7e2SAndroid Build Coastguard Worker ;; 63*cc02d7e2SAndroid Build Coastguard Worker "Darwin x86_64") 64*cc02d7e2SAndroid Build Coastguard Worker suffix=darwin-x86_64 65*cc02d7e2SAndroid Build Coastguard Worker ;; 66*cc02d7e2SAndroid Build Coastguard Worker "Darwin arm64") 67*cc02d7e2SAndroid Build Coastguard Worker suffix=darwin-arm64 68*cc02d7e2SAndroid Build Coastguard Worker ;; 69*cc02d7e2SAndroid Build Coastguard Worker "MINGW"* | "MSYS_NT"*) 70*cc02d7e2SAndroid Build Coastguard Worker suffix=windows-x86_64.exe 71*cc02d7e2SAndroid Build Coastguard Worker ;; 72*cc02d7e2SAndroid Build Coastguard Worker *) 73*cc02d7e2SAndroid Build Coastguard Worker echo "Unsupported architecture: $(uname -sm)" >&2 74*cc02d7e2SAndroid Build Coastguard Worker exit 1 75*cc02d7e2SAndroid Build Coastguard Worker ;; 76*cc02d7e2SAndroid Build Coastguard Workeresac 77*cc02d7e2SAndroid Build Coastguard Worker 78*cc02d7e2SAndroid Build Coastguard Workerfilename="bazel-$VERSION-$suffix" 79*cc02d7e2SAndroid Build Coastguard Workerfilename_abs="${DOWNLOAD_DIR}/${filename}" 80*cc02d7e2SAndroid Build Coastguard Worker 81*cc02d7e2SAndroid Build Coastguard Workerif [ ! -x "${filename_abs}" ] ; then 82*cc02d7e2SAndroid Build Coastguard Worker # first try to download using mirror, fallback to download from github 83*cc02d7e2SAndroid Build Coastguard Worker echo "Downloading bazel, will try URLs: ${BASEURL_MIRROR}/${VERSION}/${filename} ${BASEURL}/${VERSION}/${filename}" >&2 84*cc02d7e2SAndroid Build Coastguard Worker curl --fail -L --output "${filename_abs}" "${BASEURL_MIRROR}/${VERSION}/${filename}" || curl --fail -L --output "${filename_abs}" "${BASEURL}/${VERSION}/${filename}" 85*cc02d7e2SAndroid Build Coastguard Worker chmod a+x "${filename_abs}" 86*cc02d7e2SAndroid Build Coastguard Workerfi 87*cc02d7e2SAndroid Build Coastguard Worker 88*cc02d7e2SAndroid Build Coastguard Workerpopd >/dev/null 89*cc02d7e2SAndroid Build Coastguard Workerexec "${filename_abs}" "$@" 90