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93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
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# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""The `macos_sdk` module provides safe functions to access a semi-hermetic
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XCode installation.
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Available only to Google-run bots."""
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from contextlib import contextmanager
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from recipe_engine import recipe_api
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class MacOSSDKApi(recipe_api.RecipeApi):
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"""API for using OS X SDK distributed via CIPD."""
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def __init__(self, sdk_properties, *args, **kwargs):
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super(MacOSSDKApi, self).__init__(*args, **kwargs)
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self._sdk_version = sdk_properties['sdk_version'].lower()
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self._tool_package = sdk_properties['tool_package']
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self._tool_version = sdk_properties['tool_version']
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@contextmanager
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def __call__(self):
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"""Sets up the XCode SDK environment.
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This call is a no-op on non-Mac platforms.
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This will deploy the helper tool and the XCode.app bundle at
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`[START_DIR]/cache/macos_sdk`.
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To avoid machines rebuilding these on every run, set up a named cache in
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your cr-buildbucket.cfg file like:
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caches: {
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# Cache for mac_toolchain tool and XCode.app
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name: "macos_sdk"
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path: "macos_sdk"
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}
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If you have builders which e.g. use a non-current SDK, you can give them
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a uniqely named cache:
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caches: {
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# Cache for N-1 version mac_toolchain tool and XCode.app
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name: "macos_sdk_old"
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path: "macos_sdk"
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}
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Usage:
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with api.macos_sdk():
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# sdk with mac build bits
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Raises:
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StepFailure or InfraFailure.
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"""
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if not self.m.platform.is_mac:
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yield
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return
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try:
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with self.m.context(infra_steps=True):
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sdk_dir = self._ensure_sdk()
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self.m.step('select XCode',
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['sudo', 'xcode-select', '--switch', sdk_dir])
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yield
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finally:
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with self.m.context(infra_steps=True):
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self.m.step('reset XCode', ['sudo', 'xcode-select', '--reset'])
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def _ensure_sdk(self):
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"""Ensures the mac_toolchain tool and MacOS SDK packages are installed.
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Returns Path to the installed sdk app bundle."""
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cache_dir = self.m.path['cache'].join('macos_sdk')
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pkgs = self.m.cipd.EnsureFile()
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pkgs.add_package(self._tool_package, self._tool_version)
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self.m.cipd.ensure(cache_dir, pkgs)
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sdk_dir = cache_dir.join('XCode.app')
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self.m.step('install xcode', [
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cache_dir.join('mac_toolchain'),
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'install',
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'-kind',
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'mac',
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'-xcode-version',
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self._sdk_version,
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'-output-dir',
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sdk_dir,
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])
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return sdk_dir
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