| #!/usr/bin/env python |
| # Copyright 2017 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| import argparse |
| import os |
| import subprocess |
| import sys |
| |
| |
| def main(args): |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| '--gyp-condition', '-c', type=str, required=True, |
| help=('The gyp condition that acts as the switch. If the ' |
| 'condition is found in environment variable GYP_DEFINES, ' |
| 'this will execute the target script')) |
| options, script_args = parser.parse_known_args() |
| |
| # Make sure that we always execute target script with python. |
| if 'python' not in script_args[0]: |
| script_args.insert(0, sys.executable) |
| |
| # A typical GYP_DEFINES string looks s.t like "foo=a bar=1 baz=c". We |
| # tokenize the string before doing string matching. |
| gyp_defines = os.environ.get('GYP_DEFINES', '').split() |
| if options.gyp_condition in gyp_defines: |
| subprocess.check_call(script_args) |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| main(sys.argv[1:]) |
