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DevOps-Bash-tools/setup/install_bazel.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2021-07-16 18:53:36 +0100 (Fri, 16 Jul 2021)
#
# https://github.com/HariSekhon/DevOps-Bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
BAZEL_VERSION="${1:-3.2.0}"
export PATH="$PATH:$HOME/bin"
if type -P bazel &>/dev/null; then
if bazel version | grep -q "^Build label: $BAZEL_VERSION$"; then
echo "Bazel is already installed and the right version: $BAZEL_VERSION"
exit 0
fi
fi
platform="$(uname -s | tr '[:upper:]' '[:lower:]')"
cd /tmp
curl -fLO "https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel-${BAZEL_VERSION}-installer-$platform-x86_64.sh"
chmod +x "bazel-${BAZEL_VERSION}-installer-$platform-x86_64.sh"
./"bazel-${BAZEL_VERSION}-installer-$platform-x86_64.sh" --user # --user installs to ~/bin and sets the .bazelrc path to ~/.bazelrc
bazel version