#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Build script that wraps go build and sets the correct linker variables."""

from __future__ import print_function

import argparse
import os
import os.path
import subprocess
import sys

def parse_args():
  parser = argparse.ArgumentParser()
  parser.add_argument("--config", required=True,
                      choices=['cros.hardened', 'cros.nonhardened',
                               'cros.host'], type=str)
  parser.add_argument("--use_ccache", required=True,
                      choices=['true', 'false'], type=str)
  return parser.parse_known_args()

def calc_go_args(parsed_args, rest_args):
  src_dir = os.path.dirname(sys.argv[0])
  ldFlags = ['-X', 'main.ConfigName=' + parsed_args.config,
             '-X', 'main.UseCCache='+parsed_args.use_ccache]
  return (['go', 'build', '-ldflags', ' '.join(ldFlags)]
          + rest_args + [src_dir])

def main():
  sys.exit(subprocess.call(calc_go_args(*parse_args())))

if __name__ == '__main__':
  main()