#!/usr/bin/env python

# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import os
import shutil
import stat
import sys
import urllib2

def gn_path():
  if 'linux' in sys.platform:
    return 'buildtools/linux64/gn'
  if 'darwin' in sys.platform:
    return 'buildtools/mac/gn'
  return 'buildtools/win/gn.exe'

sha1 = open(gn_path() + '.sha1').read()

with open(gn_path(), 'wb') as f:
    f.write(urllib2.urlopen('https://chromium-gn.storage-download.googleapis.com/' + sha1).read())

os.chmod(gn_path(), stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
                    stat.S_IRGRP                | stat.S_IXGRP |
                    stat.S_IROTH                | stat.S_IXOTH )
shutil.copy(gn_path(), 'bin');