1#!/bin/bash 2#Copyright 2022 The gRPC authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# This script can be used to manually update the specific versions of Bazel 17# tested by the Bazel distribtests and advertised as supported in documentation. 18# This will update the supported_versions.txt file, which will be templated into 19# the bazel_support.md document. 20 21# This script selects the latest patch release of the two most recent major 22# versions of Bazel. If you want to include other versions in the set of 23# supported versions, then you will need to manually edit the ifle. 24 25set -xeuo pipefail 26 27cd "$(dirname "$0")/../.." 28 29# The number of most recent supported major Bazel versions. 30SUPPORT_RANGE="2" 31 32# Retrieve all git tags from the Bazel git repo. 33TAGS=$(git ls-remote --tags git@github.com:bazelbuild/bazel.git | awk '{print $2;}' | sed 's|refs/tags/||g') 34 35# Find the n most recent major versions. 36MAJOR_VERSIONS=$(echo "$TAGS" | egrep '^[0-9]+\.[0-9]+\.[0-9]+$' | cut -d'.' -f1 | sort -r | uniq | head -n"$SUPPORT_RANGE") 37 38SUPPORTED_VERSIONS="" 39 40# For each major version selected, find the most recent patch release. 41while read -r MAJOR_VERSION; do 42 LATEST_PATCH=$(echo "$TAGS" | egrep "^${MAJOR_VERSION}\.[0-9]+\.[0-9]+$" | sort -nr | head -n1) 43 SUPPORTED_VERSIONS="$SUPPORTED_VERSIONS$LATEST_PATCH\n" 44done<<<"$MAJOR_VERSIONS" 45 46printf "$SUPPORTED_VERSIONS" | tee bazel/supported_versions.txt 47