blob: 8320e6d2a0dc449d4e07cd82dcf3ab11b19c01c5 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2014 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.
"""Redirects to the version of clang-format checked into the Chrome tree.
clang-format binaries are pulled down from Google Cloud Storage whenever you
sync Chrome, to platform-specific locations. This script knows how to locate
those tools, assuming the script is invoked from inside a Chromium checkout."""
import gclient_utils
import os
import subprocess
import sys
class NotFoundError(Exception):
"""A file could not be found."""
def __init__(self, e):
'Problem while looking for clang-format in Chromium source tree:\n'
' %s' % e)
def FindClangFormatToolInChromiumTree():
"""Return a path to the clang-format executable, or die trying."""
bin_path = gclient_utils.GetBuildtoolsPlatformBinaryPath()
if not bin_path:
raise NotFoundError(
'Could not find checkout in any parent of the current path.')
tool_path = os.path.join(bin_path,
'clang-format' + gclient_utils.GetExeSuffix())
if not os.path.exists(tool_path):
raise NotFoundError('File does not exist: %s' % tool_path)
return tool_path
def FindClangFormatScriptInChromiumTree(script_name):
"""Return a path to a clang-format helper script, or die trying."""
tools_path = gclient_utils.GetBuildtoolsPath()
if not tools_path:
raise NotFoundError(
'Could not find checkout in any parent of the current path.')
script_path = os.path.join(tools_path, 'clang_format', 'script', script_name)
if not os.path.exists(script_path):
raise NotFoundError('File does not exist: %s' % script_path)
return script_path
def main(args):
tool = FindClangFormatToolInChromiumTree()
except NotFoundError, e:
print >> sys.stderr, e
# Add some visibility to --help showing where the tool lives, since this
# redirection can be a little opaque.
help_syntax = ('-h', '--help', '-help', '-help-list', '--help-list')
if any(match in args for match in help_syntax):
print '\nDepot tools redirects you to the clang-format at:\n %s\n' % tool
return[tool] + sys.argv[1:])
if __name__ == '__main__':