mirror of
https://github.com/denoland/deno.git
synced 2024-12-23 07:44:48 -05:00
860be9f0de
This fixes an issue on Windows that causes build to fails when fix_symlinks() is called concurrently with another build step. It is also no longer necessary, since recent versions of git know how to properly create symbolic links on checkout.
239 lines
8.7 KiB
Python
239 lines
8.7 KiB
Python
#!/usr/bin/env python
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# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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# This script contains helper functions to work with the third_party subrepo.
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import os
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import site
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import sys
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from os import path
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from util import add_env_path, find_exts, make_env, rmtree, root_path, run
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from tempfile import mkdtemp
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# Helper function that returns the full path to a subpath of the repo root.
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def root(*subpath_parts):
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return path.normpath(path.join(root_path, *subpath_parts))
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# Helper function that returns the full path to a file/dir in third_party.
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def tp(*subpath_parts):
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return root("third_party", *subpath_parts)
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third_party_path = tp()
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depot_tools_path = tp("depot_tools")
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rust_crates_path = tp("rust_crates")
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python_packages_path = tp("python_packages")
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gn_path = tp(depot_tools_path, "gn")
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clang_format_path = tp(depot_tools_path, "clang-format")
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ninja_path = tp(depot_tools_path, "ninja")
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python_site_env = None
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# Creates/modifies an environment so python can find packages that are bundled
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# in the 'third_party' directory.
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def python_env(env=None, merge_env=None):
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if merge_env is None:
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merge_env = {}
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global python_site_env
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# Use site.addsitedir() to determine which search paths would be considered
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# if 'third_party/python_packages' was a site-packages directory.
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# PATH is also updated, so windows can find the DLLs that ship with pywin32.
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if python_site_env is None:
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python_site_env = {}
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temp = os.environ["PATH"], sys.path
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os.environ["PATH"], sys.path = "", []
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site.addsitedir(python_packages_path) # Modifies PATH and sys.path.
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python_site_env = {"PATH": os.environ["PATH"], "PYTHONPATH": sys.path}
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os.environ["PATH"], sys.path = temp
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# Make a new environment object.
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env = make_env(env=env, merge_env=merge_env)
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# Apply PATH and PYTHONPATH from the site-packages environment.
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add_env_path(python_site_env["PATH"], env=env, key="PATH")
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add_env_path(python_site_env["PYTHONPATH"], env=env, key="PYTHONPATH")
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return env
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# This function creates or modifies an environment so that it matches the
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# expectations of various google tools (gn, gclient, etc).
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def google_env(env=None, merge_env=None, depot_tools_path_=depot_tools_path):
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if merge_env is None:
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merge_env = {}
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# Google tools need the python env too.
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env = python_env(env=env, merge_env=merge_env)
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# Depot_tools to be in the PATH, before Python.
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add_env_path(depot_tools_path_, env=env, prepend=True)
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if os.name == "nt": # Windows-only enviroment tweaks.
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# We're not using Google's internal infrastructure.
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if os.name == "nt" and not "DEPOT_TOOLS_WIN_TOOLCHAIN" in env:
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env["DEPOT_TOOLS_WIN_TOOLCHAIN"] = "0"
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# The 'setup_toolchain.py' script does a good job finding the Windows
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# SDK. Unfortunately, if any of the environment variables below are set
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# (as vcvarsall.bat typically would), setup_toolchain absorbs them too,
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# adding multiple identical -imsvc<path> items to CFLAGS.
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# This small variation has no effect on compiler output, but it
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# makes ninja rebuild everything, and causes sccache cache misses.
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# TODO(piscisaureus): fix this upstream.
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env["INCLUDE"] = ""
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env["LIB"] = ""
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env["LIBPATH"] = ""
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return env
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# Run Yarn to install JavaScript dependencies.
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def run_yarn():
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run(["yarn", "install"], cwd=third_party_path)
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# Run Cargo to install Rust dependencies.
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def run_cargo():
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# Deletes the cargo index lockfile; it appears that cargo itself doesn't do
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# it. If the lockfile ends up in the git repo, it'll make cargo hang for
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# everyone else who tries to run sync_third_party.
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def delete_lockfile():
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lockfiles = find_exts([path.join(rust_crates_path, "registry/index")],
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['.cargo-index-lock'])
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for lockfile in lockfiles:
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os.remove(lockfile)
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# Delete the index lockfile in case someone accidentally checked it in.
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delete_lockfile()
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run(["cargo", "fetch", "--manifest-path=" + root("Cargo.toml")],
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cwd=third_party_path,
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merge_env={'CARGO_HOME': rust_crates_path})
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# Delete the lockfile again so it doesn't end up in the git repo.
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delete_lockfile()
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# Install python packages with pip.
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def run_pip():
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# Install an recent version of pip into a temporary directory. The version
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# that is bundled with python is too old to support the next step.
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temp_python_home = mkdtemp()
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pip_env = {"PYTHONUSERBASE": temp_python_home}
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run([sys.executable, "-m", "pip", "install", "--upgrade", "--user", "pip"],
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cwd=third_party_path,
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merge_env=pip_env)
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# Install pywin32.
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run([
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sys.executable, "-m", "pip", "install", "--upgrade", "--target",
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python_packages_path, "--platform=win_amd64", "--only-binary=:all:",
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"pypiwin32"
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],
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cwd=third_party_path,
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merge_env=pip_env)
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# Get yapf.
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run([
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sys.executable, "-m", "pip", "install", "--upgrade", "--target",
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python_packages_path, "yapf"
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],
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cwd=third_party_path,
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merge_env=pip_env)
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# Remove the temporary pip installation.
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rmtree(temp_python_home)
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# Run gclient to install other dependencies.
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def run_gclient_sync():
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# Depot_tools will normally try to self-update, which will fail because
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# it's not checked out from it's own git repository; gclient will then try
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# to fix things up and not succeed, and and we'll end up with a huge mess.
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# To work around this, we rename the `depot_tools` directory to
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# `{root_path}/depot_tools_temp` first, and we set DEPOT_TOOLS_UPDATE=0 in
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# the environment so depot_tools doesn't attempt to self-update.
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# Since depot_tools is listed in .gclient_entries, gclient will install a
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# fresh copy in `third_party/depot_tools`.
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# If it all works out, we remove the depot_tools_temp directory afterwards.
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depot_tools_temp_path = root("depot_tools_temp")
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# Rename depot_tools to depot_tools_temp.
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try:
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os.rename(depot_tools_path, depot_tools_temp_path)
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except OSError:
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# If renaming failed, and the depot_tools_temp directory already exists,
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# assume that it's still there because a prior run_gclient_sync() call
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# failed half-way, before we got the chance to remove the temp dir.
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# We'll use whatever is in the temp dir that was already there.
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# If not, the user can recover by removing the temp directory manually.
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if path.isdir(depot_tools_temp_path):
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pass
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else:
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raise
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args = [
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"gclient", "sync", "--reset", "--shallow", "--no-history", "--nohooks"
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]
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envs = {
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'DEPOT_TOOLS_UPDATE': "0",
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'GCLIENT_FILE': root("gclient_config.py")
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}
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env = google_env(depot_tools_path_=depot_tools_temp_path, merge_env=envs)
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run(args, cwd=third_party_path, env=env)
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# Delete the depot_tools_temp directory, but not before verifying that
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# gclient did indeed install a fresh copy.
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# Also check that `{depot_tools_temp_path}/gclient.py` exists, so a typo in
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# this script won't accidentally blow out someone's home dir.
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if (path.isdir(path.join(depot_tools_path, ".git"))
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and path.isfile(path.join(depot_tools_path, "gclient.py"))
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and path.isfile(path.join(depot_tools_temp_path, "gclient.py"))):
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rmtree(depot_tools_temp_path)
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# Download the given item from Google storage.
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def download_from_google_storage(item, bucket):
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if sys.platform == 'win32':
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sha1_file = "v8/buildtools/win/%s.exe.sha1" % item
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elif sys.platform == 'darwin':
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sha1_file = "v8/buildtools/mac/%s.sha1" % item
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elif sys.platform.startswith('linux'):
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sha1_file = "v8/buildtools/linux64/%s.sha1" % item
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run([
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"python",
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tp('depot_tools/download_from_google_storage.py'),
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'--platform=' + sys.platform,
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'--no_auth',
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'--bucket=%s' % bucket,
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'--sha1_file',
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tp(sha1_file),
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],
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env=google_env())
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# Download gn from Google storage.
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def download_gn():
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download_from_google_storage('gn', 'chromium-gn')
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# Download clang-format from Google storage.
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def download_clang_format():
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download_from_google_storage('clang-format', 'chromium-clang-format')
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# Download clang by calling the clang update script.
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def download_clang():
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run(['python', tp('v8/tools/clang/scripts/update.py')], env=google_env())
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def maybe_download_sysroot():
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if sys.platform.startswith('linux'):
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run([
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'python',
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os.path.join(root_path,
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'build/linux/sysroot_scripts/install-sysroot.py'),
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'--arch=amd64'
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],
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env=google_env())
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