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#!/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/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])
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