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Diffstat (limited to 'tools/v8/fetch_deps.py')
-rwxr-xr-x | tools/v8/fetch_deps.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tools/v8/fetch_deps.py b/tools/v8/fetch_deps.py new file mode 100755 index 0000000000..ee5b629e2b --- /dev/null +++ b/tools/v8/fetch_deps.py @@ -0,0 +1,101 @@ +#!/usr/bin/env python +# Copyright 2017 the V8 project authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +""" +Use this script to fetch all dependencies for V8 to run build_gn.py. + +Usage: fetch_deps.py <v8-path> +""" + +# for py2/py3 compatibility +from __future__ import print_function + +import os +import subprocess +import sys + +import node_common + +GCLIENT_SOLUTION = [ + { "name" : "v8", + "url" : "https://chromium.googlesource.com/v8/v8.git", + "deps_file" : "DEPS", + "managed" : False, + "custom_deps" : { + # These deps are already part of Node.js. + "v8/base/trace_event/common" : None, + "v8/third_party/googletest/src" : None, + # These deps are unnecessary for building. + "v8/test/benchmarks/data" : None, + "v8/testing/gmock" : None, + "v8/test/mozilla/data" : None, + "v8/test/test262/data" : None, + "v8/test/test262/harness" : None, + "v8/third_party/android_ndk" : None, + "v8/third_party/android_sdk" : None, + "v8/third_party/catapult" : None, + "v8/third_party/colorama/src" : None, + "v8/third_party/fuchsia-sdk" : None, + "v8/third_party/instrumented_libraries" : None, + "v8/tools/luci-go" : None, + "v8/tools/swarming_client" : None, + "v8/third_party/qemu-linux-x64" : None, + }, + }, +] + +def EnsureGit(v8_path): + def git(args): + # shell=True needed on Windows to resolve git.bat. + return subprocess.check_output( + "git " + args, cwd=v8_path, shell=True).strip() + + expected_git_dir = os.path.join(v8_path, ".git") + actual_git_dir = git("rev-parse --absolute-git-dir") + if expected_git_dir == actual_git_dir: + print("V8 is tracked stand-alone by git.") + return False + print("Initializing temporary git repository in v8.") + git("init") + git("config user.name \"Ada Lovelace\"") + git("config user.email ada@lovela.ce") + git("commit --allow-empty -m init") + return True + +def FetchDeps(v8_path): + # Verify path. + v8_path = os.path.abspath(v8_path) + assert os.path.isdir(v8_path) + + # Check out depot_tools if necessary. + depot_tools = node_common.EnsureDepotTools(v8_path, True) + + temporary_git = EnsureGit(v8_path) + try: + print("Fetching dependencies.") + env = os.environ.copy() + # gclient needs to have depot_tools in the PATH. + env["PATH"] = depot_tools + os.pathsep + env["PATH"] + gclient = os.path.join(depot_tools, "gclient.py") + spec = "solutions = %s" % GCLIENT_SOLUTION + subprocess.check_call([sys.executable, gclient, "sync", "--spec", spec], + cwd=os.path.join(v8_path, os.path.pardir), + env=env) + except: + raise + finally: + if temporary_git: + node_common.UninitGit(v8_path) + # Clean up .gclient_entries file. + gclient_entries = os.path.normpath( + os.path.join(v8_path, os.pardir, ".gclient_entries")) + if os.path.isfile(gclient_entries): + os.remove(gclient_entries) + + return depot_tools + + +if __name__ == "__main__": + FetchDeps(sys.argv[1]) |