blob: bafeab11592d504701a77d42cc8961632d591cd1 [file] [log] [blame]
#!/usr/bin/env python3
# Copyright 2017 The Dart 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.
"""Pulls down tools required to build Dart."""
import errno
import os
import platform
import subprocess
import sys
THIS_DIR = os.path.abspath(os.path.dirname(__file__))
DART_ROOT = os.path.abspath(os.path.join(THIS_DIR, '..', '..'))
BUILDTOOLS = os.path.join(DART_ROOT, 'buildtools')
TOOLS_BUILDTOOLS = os.path.join(DART_ROOT, 'tools', 'buildtools')
sys.path.insert(0, os.path.join(DART_ROOT, 'tools'))
import find_depot_tools
DEPOT_PATH = find_depot_tools.add_depot_tools_to_path()
def UpdateClangFormatOnWindows():
sha1_file = os.path.join(TOOLS_BUILDTOOLS, 'win', 'clang-format.exe.sha1')
output_dir = os.path.join(BUILDTOOLS, 'win', 'clang-format.exe')
downloader_script = os.path.join(DEPOT_PATH,
download_cmd = [
sys.executable, downloader_script, '--no_auth', '--no_resume',
'--quiet', '--platform=win', '--bucket', 'chromium-clang-format', '-s',
sha1_file, '-o', output_dir
def CreateSymlink(symlink, link_name):
os.symlink(symlink, link_name)
except OSError as e:
if e.errno == errno.EEXIST:
os.symlink(symlink, link_name)
raise e
# On Mac and Linux we symlink clang-format and gn to the place where
# 'git cl format' expects them to be.
def LinksForGitCLFormat():
if sys.platform == 'darwin':
platform = 'darwin'
tools = 'mac'
toolchain = 'mac-x64'
elif sys.platform.startswith('linux'):
platform = 'linux'
tools = 'linux64'
toolchain = 'linux-x64'
print('Unknown platform: ' + sys.platform)
return 1
clang_format = os.path.join(BUILDTOOLS, toolchain, 'clang', 'bin',
gn = os.path.join(BUILDTOOLS, 'gn')
dest_dir = os.path.join(BUILDTOOLS, tools)
if not os.path.exists(dest_dir):
clang_format_dest = os.path.join(dest_dir, 'clang-format')
gn_dest = os.path.join(dest_dir, 'gn')
CreateSymlink(clang_format, clang_format_dest)
CreateSymlink(gn, gn_dest)
return 0
def main(argv):
arch_id = platform.machine()
# Don't try to download binaries if we're on an arm machine.
if arch_id.startswith('arm') or arch_id.startswith('aarch64'):
print('Not downloading buildtools binaries for ' + arch_id)
return 0
if sys.platform.startswith('win'):
return UpdateClangFormatOnWindows()
return LinksForGitCLFormat()
if __name__ == '__main__':