|  | #!/bin/bash -e | 
|  |  | 
|  | # Copyright 2021 Google Inc. All Rights Reserved. | 
|  | # | 
|  | # 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. | 
|  |  | 
|  | # Generates the golang source file of bp2build_metrics.proto protobuf file. | 
|  |  | 
|  | function die() { echo "ERROR: $1" >&2; exit 1; } | 
|  |  | 
|  | readonly error_msg="Maybe you need to run 'lunch aosp_arm-eng && m aprotoc blueprint_tools'?" | 
|  |  | 
|  | if ! hash aprotoc &>/dev/null; then | 
|  | die "could not find aprotoc. ${error_msg}" | 
|  | fi | 
|  |  | 
|  | if ! aprotoc --go_out=paths=source_relative:. bp2build_metrics.proto; then | 
|  | die "build failed. ${error_msg}" | 
|  | fi |