| #!/usr/bin/python |
| # Copyright 2015 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 dartfmt checked into a gclient repo. |
| |
| dartfmt binaries are pulled down during gclient sync in the mojo repo. |
| |
| This tool is named dart_format.py instead of dartfmt to parallel |
| clang_format.py, which is in this same repository.""" |
| |
| import os |
| import subprocess |
| import sys |
| |
| import gclient_utils |
| |
| class NotFoundError(Exception): |
| """A file could not be found.""" |
| def __init__(self, e): |
| Exception.__init__(self, |
| 'Problem while looking for dartfmt in Chromium source tree:\n' |
| ' %s' % e) |
| |
| |
| def FindDartFmtToolInChromiumTree(): |
| """Return a path to the dartfmt executable, or die trying.""" |
| primary_solution_path = gclient_utils.GetPrimarySolutionPath() |
| if not primary_solution_path: |
| raise NotFoundError( |
| 'Could not find checkout in any parent of the current path.') |
| |
| dartfmt_path = os.path.join(primary_solution_path, 'third_party', 'dart-sdk', |
| 'dart-sdk', 'bin', 'dartfmt') |
| if not os.path.exists(dartfmt_path): |
| raise NotFoundError('File does not exist: %s' % dartfmt_path) |
| return dartfmt_path |
| |
| |
| def main(args): |
| try: |
| tool = FindDartFmtToolInChromiumTree() |
| except NotFoundError, e: |
| print >> sys.stderr, e |
| sys.exit(1) |
| |
| # 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 dartfmt at:\n %s\n' % tool |
| |
| return subprocess.call([tool] + sys.argv[1:]) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |