blob: cde4a8bff2d250102e9cf1d7cf1a563469605e71 [file] [log] [blame]
# Copyright 2018 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.
"""The `macos_sdk` module provides safe functions to access a semi-hermetic
XCode installation.
Available only to Google-run bots."""
from contextlib import contextmanager
from recipe_engine import recipe_api
class MacOSSDKApi(recipe_api.RecipeApi):
"""API for using OS X SDK distributed via CIPD."""
def __init__(self, sdk_properties, *args, **kwargs):
super(MacOSSDKApi, self).__init__(*args, **kwargs)
self._sdk_dir = None
self._sdk_version = sdk_properties['sdk_version'].lower()
self._tool_package = sdk_properties['tool_package']
self._tool_version = sdk_properties['tool_version']
def sdk_dir(self):
assert self._sdk_dir
return self._sdk_dir
def __call__(self):
"""Sets up the XCode SDK environment.
This call is a no-op on non-Mac platforms.
This will deploy the helper tool and the bundle at
To avoid machines rebuilding these on every run, set up a named cache in
your cr-buildbucket.cfg file like:
caches: {
# Cache for mac_toolchain tool and
name: "macos_sdk"
path: "macos_sdk"
If you have builders which e.g. use a non-current SDK, you can give them
a uniqely named cache:
caches: {
# Cache for N-1 version mac_toolchain tool and
name: "macos_sdk_old"
path: "macos_sdk"
with api.macos_sdk():
# sdk with mac build bits
StepFailure or InfraFailure.
if not self.m.platform.is_mac:
with self.m.context(infra_steps=True):
self._sdk_dir = self._ensure_sdk()
self.m.step('select XCode',
['sudo', 'xcode-select', '--switch', self._sdk_dir])
with self.m.context(infra_steps=True):
self.m.step('reset XCode', ['sudo', 'xcode-select', '--reset'])
def _ensure_sdk(self):
"""Ensures the mac_toolchain tool and MacOS SDK packages are installed.
Returns Path to the installed sdk app bundle."""
cache_dir = self.m.path['cache'].join('macos_sdk')
pkgs = self.m.cipd.EnsureFile()
pkgs.add_package(self._tool_package, self._tool_version)
self.m.cipd.ensure(cache_dir, pkgs)
sdk_dir = cache_dir.join('')
self.m.step('install xcode', [
return sdk_dir