#!/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))