scripts/bootstrap.sh

#!/bin/bash

# Copyright 2021 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# TODO(https://fxbug.dev/90066): Delete this file once we don't need a generated
# c++ toolchain from //third_party/sdk-integration/bazel_rules_generator/... anymore.

set -e

# This script is used to fetch the prebuilt that is needed by flutter embedder build.

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/..
readonly REPO_ROOT="${REPO_ROOT}"

# The following is temporary to support the transition to the generated
# Bazel SDK
SDK_DOWNLOAD_URL=

# Note: This tag needs to be kept in sync with the version in WORKSPACE.bazel until
# the transition of the rules out of this repo is complete.
SDK_VERSION_TAG="version:6.20211029.2.1"
KERNEL_NAME=$(uname -s | tr '[:upper:]' '[:lower:]')
case "${KERNEL_NAME}" in
  linux)
    SDK_DOWNLOAD_URL="https://chrome-infra-packages.appspot.com/dl/fuchsia/sdk/core/linux-amd64/+/${SDK_VERSION_TAG}"
    ;;
  darwin)
    SDK_DOWNLOAD_URL="https://chrome-infra-packages.appspot.com/dl/fuchsia/sdk/core/mac-amd64/+/${SDK_VERSION_TAG}"
    ;;
  *)
    >&2 echo "The fuchsia sdk not supported on ${KERNEL_NAME}"
    exit 1
esac

TMP_DOWNLOAD_DIR="$(mktemp -d)"
trap 'rm -rf "${TMP_DOWNLOAD_DIR}"' EXIT

generate_rules_fuchsia() {
  echo "Downloading prebuilt SDK"
  curl -sL "${SDK_DOWNLOAD_URL}" -o "${TMP_DOWNLOAD_DIR}/sdk.zip"

  echo "Unzipping SDK Archive"
  unzip -q "${TMP_DOWNLOAD_DIR}/sdk.zip" -d "${REPO_ROOT}/sdk"

  echo "Generating rules fuchsia!"

  pushd "${REPO_ROOT}/third_party/sdk-integration/bazel_rules_generator/" > /dev/null || exit
  ./generate.py \
    --directory "${REPO_ROOT}/sdk" \
    --output "${REPO_ROOT}/rules_fuchsia_transitional"

  popd > /dev/null || exit

  echo "Done generating rules fuchsia."
}

main() {
  generate_rules_fuchsia
}

main "$@"