Cross-repo recipe package system.

scripts/slave/recipe_modules/path/config.py

-# Copyright 2013 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.
-
-from recipe_engine.config import config_item_context, ConfigGroup, Dict, Static
-from recipe_engine.config_types import Path
-
-def BaseConfig(CURRENT_WORKING_DIR, TEMP_DIR, **_kwargs):
-  assert CURRENT_WORKING_DIR[0].endswith(('\\', '/'))
-  assert TEMP_DIR[0].endswith(('\\', '/'))
-  return ConfigGroup(
-    # base path name -> [tokenized absolute path]
-    base_paths    = Dict(value_type=tuple),
-
-    # dynamic path name -> Path object (referencing one of the base_paths)
-    dynamic_paths = Dict(value_type=(Path, type(None))),
-
-    CURRENT_WORKING_DIR = Static(tuple(CURRENT_WORKING_DIR)),
-    TEMP_DIR = Static(tuple(TEMP_DIR)),
-  )
-
-def test_name(args):  # pragma: no cover
-  if args['CURRENT_WORKING_DIR'][0] == '/':
-    return 'posix'
-  else:
-    return 'windows'
-
-config_ctx = config_item_context(BaseConfig)
-
-@config_ctx(is_root=True)
-def BASE(c):
-  c.base_paths['cwd'] = c.CURRENT_WORKING_DIR
-  c.base_paths['tmp_base'] = c.TEMP_DIR
-
-@config_ctx()
-def buildbot(c):
-  c.base_paths['root'] = c.CURRENT_WORKING_DIR[:-4]
-  c.base_paths['slave_build'] = c.CURRENT_WORKING_DIR
-  for token in ('build_internal', 'build', 'depot_tools'):
-    c.base_paths[token] = c.base_paths['root'] + (token,)
-  c.dynamic_paths['checkout'] = None
-
-@config_ctx(includes=['buildbot'])
-def swarming(c):
-  c.base_paths['slave_build'] = (
-      c.CURRENT_WORKING_DIR[:1] +
-      ('b', 'fake_build', 'slave', 'fake_slave', 'build'))