mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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85 lines
3.2 KiB
85 lines
3.2 KiB
#!/bin/bash |
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# Copyright 2019 The gRPC Authors |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# Keeping up with Bazel's breaking changes is currently difficult. |
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# This script wraps calling bazel by downloading the currently |
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# supported version, and then calling it. This way, we can make sure |
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# that running bazel will always get meaningful results, at least |
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# until Bazel 1.0 is released. |
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# NOTE: This script relies on bazel's feature where //tools/bazel |
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# script can be used to hijack "bazel" invocations in given workspace. |
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set -e |
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# DISABLE_BAZEL_WRAPPER can be set to eliminate the wrapper logic |
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if [ "${DISABLE_BAZEL_WRAPPER}" != "" ] && [ "${OVERRIDE_BAZEL_VERSION}" == "" ] |
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then |
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if [ "${BAZEL_REAL}" != "" ] |
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then |
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# use BAZEL_REAL as set by |
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# https://github.com/bazelbuild/bazel/blob/master/scripts/packages/bazel.sh |
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# that originally invoked this script (this is what happens when you |
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# run "bazel" in our workspace) |
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exec -a "$0" "${BAZEL_REAL}" "$@" |
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else |
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# if BAZEL_REAL is not set, just invoke the default system bazel |
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exec bazel "$@" |
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fi |
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fi |
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# IMPORTANT: if you update the version here, other parts of infrastructure might needs updating as well |
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# (e.g. sanity checks, bazel toolchains etc.) |
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VERSION=${OVERRIDE_BAZEL_VERSION:-4.2.1} |
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echo "INFO: Running bazel wrapper (see //tools/bazel for details), bazel version $VERSION will be used instead of system-wide bazel installation." >&2 |
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# update tools/update_mirror.sh to populate the mirror with new bazel archives |
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BASEURL_MIRROR="https://storage.googleapis.com/grpc-bazel-mirror/github.com/bazelbuild/bazel/releases/download" |
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BASEURL="https://github.com/bazelbuild/bazel/releases/download" |
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pushd "$(dirname "$0")" >/dev/null |
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# bazel binary will be downloaded to GRPC_REPO_ROOT/tools directory by default |
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DOWNLOAD_DIR=${OVERRIDE_BAZEL_WRAPPER_DOWNLOAD_DIR:-$(pwd)} |
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case $(uname -sm) in |
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"Linux x86_64") |
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suffix=linux-x86_64 |
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;; |
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"Linux aarch64") |
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suffix=linux-arm64 |
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;; |
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"Darwin x86_64") |
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suffix=darwin-x86_64 |
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;; |
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"MINGW"* | "MSYS_NT"*) |
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suffix=windows-x86_64.exe |
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;; |
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*) |
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echo "Unsupported architecture: $(uname -sm)" >&2 |
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exit 1 |
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;; |
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esac |
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filename="bazel-$VERSION-$suffix" |
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filename_abs="${DOWNLOAD_DIR}/${filename}" |
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if [ ! -x "${filename_abs}" ] ; then |
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# first try to download using mirror, fallback to download from github |
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echo "Downloading bazel, will try URLs: ${BASEURL_MIRROR}/${VERSION}/${filename} ${BASEURL}/${VERSION}/${filename}" >&2 |
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curl --fail -L --output "${filename_abs}" "${BASEURL_MIRROR}/${VERSION}/${filename}" || curl --fail -L --output "${filename_abs}" "${BASEURL}/${VERSION}/${filename}" |
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chmod a+x "${filename_abs}" |
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fi |
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popd >/dev/null |
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exec "${filename_abs}" "$@"
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