| # -*- coding: utf-8 -*- |
| # Copyright (c) 2012 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. |
| |
| """Calculate what overlays are needed for a particular board.""" |
| |
| from __future__ import print_function |
| |
| import os |
| |
| from chromite.lib import constants |
| from chromite.lib import commandline |
| from chromite.lib import portage_util |
| |
| |
| def _ParseArguments(argv): |
| parser = commandline.ArgumentParser(description=__doc__) |
| |
| parser.add_argument('--board', default=None, help='Board name') |
| parser.add_argument('-a', '--all', default=False, action='store_true', |
| help='Show all overlays (even common ones).') |
| |
| opts = parser.parse_args(argv) |
| opts.Freeze() |
| |
| return opts |
| |
| |
| def main(argv): |
| opts = _ParseArguments(argv) |
| |
| overlays = portage_util.FindOverlays(constants.BOTH_OVERLAYS, opts.board) |
| |
| # Exclude any overlays in src/third_party, for backwards compatibility with |
| # scripts that expected these to not be listed. |
| if not opts.all: |
| ignore_prefix = os.path.join(constants.SOURCE_ROOT, 'src', 'third_party') |
| overlays = [o for o in overlays if not o.startswith(ignore_prefix)] |
| |
| print('\n'.join(overlays)) |
