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#!/usr/bin/env python3
# Copyright 2017 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.
import argparse
import os
import subprocess
import sys
DEPOT_TOOLS_DIR = os.path.dirname(os.path.realpath(__file__))
# This function is inspired from the one in src/tools/vim/ninja-build.vim in the
# Chromium repository.
def path_to_source_root(path):
"""Returns the absolute path to the chromium source root."""
candidate = os.path.dirname(path)
# This is a list of directories that need to identify the src directory. The
# shorter it is, the more likely it's wrong (checking for just
# "build/common.gypi" would find "src/v8" for files below "src/v8", as
# "src/v8/build/common.gypi" exists). The longer it is, the more likely it
# is to break when we rename directories.
fingerprints = ['chrome', 'net', 'v8', 'build', 'skia']
while candidate and not all(
os.path.isdir(os.path.join(candidate, fp)) for fp in fingerprints):
new_candidate = os.path.dirname(candidate)
if new_candidate == candidate:
raise Exception("Couldn't find source-dir from %s" % path)
candidate = os.path.dirname(candidate)
return candidate
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'--file-path',
help='The file path, could be absolute or relative to the current '
'directory.',
required=True)
parser.add_argument(
'--build-dir',
help='The build directory, relative to the source directory.',
required=True)
options = parser.parse_args()
src_dir = path_to_source_root(os.path.abspath(options.file_path))
abs_build_dir = os.path.join(src_dir, options.build_dir)
src_relpath = os.path.relpath(options.file_path, abs_build_dir)
print('Building %s' % options.file_path)
carets = '^'
if sys.platform == 'win32':
# The caret character has to be escaped on Windows as it's an escape
# character.
carets = '^^'
command = [
sys.executable,
os.path.join(DEPOT_TOOLS_DIR, 'autoninja.py'), '-C', abs_build_dir,
'%s%s' % (src_relpath, carets)
]
# |shell| should be set to True on Windows otherwise the carets characters
# get dropped from the command line.
return subprocess.call(command, shell=sys.platform == 'win32')
if __name__ == '__main__':
sys.exit(main())
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