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75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
#!/usr/bin/env python3
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# Copyright 2022 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Redirects to the version of swift-format present in the Chrome tree.
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Swift format binaries are pulled down from CIPD whenever you sync Chrome.
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This script knows how to locate those tools, assuming the script is
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invoked from inside a Chromium checkout."""
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import gclient_paths
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import os
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import subprocess
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import sys
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class NotFoundError(Exception):
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"""A file could not be found."""
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def __init__(self, e):
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Exception.__init__(
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self,
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'Problem while looking for swift-format in Chromium source tree:\n'
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'%s' % e)
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def FindSwiftFormatToolInChromiumTree():
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"""Return a path to the rustfmt executable, or die trying."""
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chromium_src_path = gclient_paths.GetPrimarySolutionPath()
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if not chromium_src_path:
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raise NotFoundError(
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'Could not find checkout in any parent of the current path.\n'
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'Set CHROMIUM_BUILDTOOLS_PATH to use outside of a chromium '
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'checkout.')
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tool_path = os.path.join(chromium_src_path, 'third_party', 'swift-format',
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'swift-format')
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if not os.path.exists(tool_path):
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raise NotFoundError('File does not exist: %s' % tool_path)
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return tool_path
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def IsSwiftFormatSupported():
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if sys.platform != 'darwin':
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return False
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try:
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FindSwiftFormatToolInChromiumTree()
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return True
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except NotFoundError:
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return False
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def main(args):
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try:
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tool = FindSwiftFormatToolInChromiumTree()
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except NotFoundError as e:
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sys.stderr.write("%s\n" % str(e))
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return 1
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# Add some visibility to --help showing where the tool lives, since this
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# redirection can be a little opaque.
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help_syntax = ('-h', '--help', '-help', '-help-list', '--help-list')
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if any(match in args for match in help_syntax):
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print('\nDepot tools redirects you to the swift-format at:\n %s\n' %
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tool)
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return subprocess.call([tool] + args)
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if __name__ == '__main__':
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try:
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sys.exit(main(sys.argv[1:]))
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except KeyboardInterrupt:
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sys.stderr.write('interrupted\n')
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sys.exit(1)
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