tools/internal_ci/helper_scripts/prepare_build_linux_ruby_artifact_rc

#!/bin/bash
# Copyright 2021 The 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.

# Source this rc script to load RVM and prepare the ruby environment
# for building ruby artifacts.

# sourcing rvm can generate a failure and we don't want to quit there
set +ex
# Look for rvm either in /etc/profile.d or in $HOME
# shellcheck disable=SC1091
[[ -s /etc/profile.d/rvm.sh ]] && source /etc/profile.d/rvm.sh
# shellcheck disable=SC1090
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

# rvm commands are very verbose and we dont want to pollute the log by echo,
# but we want to exit if there's a failure
set -e

RUBY_VERSION=3.4.1
echo "Installing ruby-${RUBY_VERSION}"
time rvm install "ruby-${RUBY_VERSION}"
echo "Setting default ruby version."
rvm use "$RUBY_VERSION" --default

# restore the original echo and exit on failure behavior
set -ex

# print current ruby version to log
ruby --version

# Bundler is required for grpc ruby artifact build.
gem install bundler -v 2.6

# log gem versions for easier debugging if things go wrong
gem list || true