| #!/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 hashlib |
| import json |
| import os |
| import shutil |
| import subprocess |
| import sys |
| import tarfile |
| import tempfile |
| |
| |
| SELF_FILE = os.path.normpath(os.path.abspath(__file__)) |
| REPOSITORY_ROOT = os.path.abspath(os.path.join( |
| os.path.dirname(__file__), '..', '..')) |
| |
| |
| def Run(*args): |
| print 'Run:', ' '.join(args) |
| subprocess.check_call(args) |
| |
| |
| def EnsureEmptyDir(path): |
| if os.path.isdir(path): |
| shutil.rmtree(path) |
| if not os.path.exists(path): |
| print 'Creating directory', path |
| os.makedirs(path) |
| |
| |
| def BuildForArch(arch): |
| build_dir = 'out/release-' + arch |
| Run('scripts/fx', '--dir', build_dir, 'set', 'terminal.' + arch, |
| '--with=//topaz/packages/sdk:topaz', '--with-base=//sdk/bundles:tools', |
| '--args=is_debug=false', '--args=build_sdk_archives=true') |
| Run('scripts/fx', 'build', 'topaz/public/sdk:fuchsia_dart', 'sdk') |
| |
| |
| def main(args): |
| if len(args) == 0 or len(args) > 2 or not os.path.isdir(args[0]): |
| print """usage: %s <path_to_fuchsia_tree> [architecture]""" % SELF_FILE |
| return 1 |
| |
| target_archs = [] |
| if len(args) > 1: |
| arch = args[1] |
| if arch not in ['x64', 'arm64']: |
| print 'Unknown architecture: ' + arch |
| print 'Must be "x64" or "arm64".' |
| return 1 |
| target_archs = [arch] |
| else: |
| target_archs = ['x64', 'arm64'] |
| |
| # Nuke the SDK from DEPS, put our just-built one there, and set a fake .hash |
| # file. This means that on next gclient runhooks, we'll restore to the |
| # real DEPS-determined SDK. |
| output_dir = os.path.join(REPOSITORY_ROOT, 'third_party', 'fuchsia-sdk', |
| 'sdk') |
| EnsureEmptyDir(output_dir) |
| |
| original_dir = os.getcwd() |
| fuchsia_root = os.path.abspath(args[0]) |
| merged_manifest = None |
| manifest_parts = set() |
| |
| # Switch to the Fuchsia tree and build the SDKs. |
| os.chdir(fuchsia_root) |
| |
| for arch in target_archs: |
| BuildForArch(arch) |
| |
| sdk_tars = [ |
| os.path.join(fuchsia_root, 'out', 'release-' + arch, 'sdk', 'archive', |
| 'core.tar.gz'), |
| os.path.join(fuchsia_root, 'out', 'release-' + arch, 'sdk', 'archive', |
| 'fuchsia_dart.tar.gz'), |
| ] |
| |
| # Extract tars merging manifests |
| manifest_path = os.path.join(output_dir, 'meta', 'manifest.json') |
| for sdk_tar in sdk_tars: |
| with tarfile.open(sdk_tar, mode='r:gz') as tar: |
| for tar_file in tar: |
| try: |
| tar.extract(tar_file, output_dir) |
| except IOError: |
| # Ignore overwrite of read-only files. |
| pass |
| |
| # Merge the manifest ensuring that we don't have duplicate entries. |
| if os.path.isfile(manifest_path): |
| manifest = json.load(open(manifest_path)) |
| os.remove(manifest_path) |
| if not merged_manifest: |
| merged_manifest = manifest |
| for part in manifest['parts']: |
| manifest_parts.add(part['meta']) |
| else: |
| for part in manifest['parts']: |
| if part['meta'] not in manifest_parts: |
| manifest_parts.add(part['meta']) |
| merged_manifest['parts'].append(part) |
| |
| # Write merged manifest file. |
| with open(manifest_path, 'w') as manifest_file: |
| json.dump(merged_manifest, manifest_file, indent=2) |
| |
| print 'Hashing sysroot...' |
| # Hash the sysroot to catch updates to the headers, but don't hash the whole |
| # tree, as we want to avoid rebuilding all of Chromium if it's only e.g. the |
| # kernel blob has changed. https://crbug.com/793956. |
| sysroot_hash_obj = hashlib.sha1() |
| for root, dirs, files in os.walk(os.path.join(output_dir, 'sysroot')): |
| for f in files: |
| path = os.path.join(root, f) |
| sysroot_hash_obj.update(path) |
| sysroot_hash_obj.update(open(path, 'rb').read()) |
| sysroot_hash = sysroot_hash_obj.hexdigest() |
| |
| hash_filename = os.path.join(output_dir, '.hash') |
| with open(hash_filename, 'w') as f: |
| f.write('locally-built-sdk-' + sysroot_hash) |
| |
| # Clean up. |
| os.chdir(original_dir) |
| |
| subprocess.check_call([os.path.join(REPOSITORY_ROOT, 'third_party', |
| 'fuchsia-sdk', |
| 'gen_build_defs.py')]) |
| |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1:])) |