#!/usr/bin/env python

import argparse
import errno
import os
import subprocess
import sys


SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
VENDOR_DIR = os.path.join(SOURCE_ROOT, 'vendor')
DOWNLOAD_DIR = os.path.join(VENDOR_DIR, 'download')


def main():
  args = parse_args()
  return (update_submodules() or
          download_libchromiumcontent(args.commit, args.url))


def parse_args():
  parser = argparse.ArgumentParser(description='Bootstrap this project')
  parser.add_argument('-c', '--commit', nargs='?', default='HEAD',
                      help='The commit of libchromiumcontent to download.')
  parser.add_argument('url', help='The base URL from which to download '
                      'libchromiumcontent (i.e., the URL you passed to '
                      'libchromiumcontent\'s script/upload script')
  return parser.parse_args()


def update_submodules():
  return
  return (subprocess.call(['git', 'submodule', 'sync', '--quiet']) or
          subprocess.call(['git', 'submodule', 'update', '--init',
                           '--recursive']))


def download_libchromiumcontent(commit, url):
  mkdir_p(DOWNLOAD_DIR)
  download = os.path.join(VENDOR_DIR, 'libchromiumcontent', 'script',
                          'download')
  return subprocess.call([sys.executable, download, '-f', '-c', commit, url,
                          os.path.join(DOWNLOAD_DIR, 'libchromiumcontent')])


def mkdir_p(path):
  try:
    os.makedirs(path)
  except OSError as e:
    if e.errno != errno.EEXIST:
      raise


if __name__ == '__main__':
  sys.exit(main())