bazel

#!/usr/bin/env bash
set -euo pipefail

# renovate:
#   datasource=github-releases
#   versioning=semver-coerced
#   depName=bazelbuild/bazelisk
BAZELISK_VERSION="v1.25.0"

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
CACHE_DIR="${SCRIPT_DIR}/../../.script_cache/bazelisk/${BAZELISK_VERSION}"
mkdir -p "${CACHE_DIR}"

OS="$(uname -s)"
ARCH="$(uname -m)"
case "${ARCH}" in
  x86_64|amd64) ARCH="amd64";;
  aarch64|arm64) ARCH="arm64";;
esac

ASSET=""
case "${OS}" in
  Linux)
    if [ "${ARCH}" = "arm64" ]; then
      ASSET="bazelisk-linux-arm64"
    else
      ASSET="bazelisk-linux-amd64"
    fi
    ;;
  Darwin)
    if [ "${ARCH}" = "arm64" ]; then
      ASSET="bazelisk-darwin-arm64"
    else
      ASSET="bazelisk-darwin-amd64"
    fi
    ;;
  Windows)
    if [ "${ARCH}" = "arm64" ]; then
      ASSET="bazelisk-windows-arm64.exe"
    else
      ASSET="bazelisk-windows-amd64.exe"
    fi
    ;;
  *)
    echo "Unsupported OS: '${OS}'. Exiting."
    exit 1
    ;;
esac

CACHED_BAZELISK="${CACHE_DIR}/${ASSET}"

if [ ! -f "${CACHED_BAZELISK}" ]; then
  DOWNLOAD_URL="https://github.com/bazelbuild/bazelisk/releases/download/${BAZELISK_VERSION}/${ASSET}"
  curl -s --fail -L \
    "$DOWNLOAD_URL" \
    -o "${CACHED_BAZELISK}"

  case "${OS}" in
    Linux|Darwin)
      chmod +x "${CACHED_BAZELISK}"
      ;;
    # Windows requires no special execute permissions
  esac
fi

exec "${CACHED_BAZELISK}" "$@"