Fix 'autotest' defaults -- i.e., fail when tests fail to build,

src/scripts/autotest

 #!/usr/bin/python
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # A python wrapper to call autotest ebuild.
 
 import commands, logging, optparse, os, subprocess, sys
 
@@ skipping 40 matching lines @@
     optparse.OptionParser.print_help(self, file)
     MyOptionPaser.help = True
 
 
 parser = MyOptionPaser()
 parser.allow_interspersed_args = True
 
 DEFAULT_BOARD = os.environ.get('DEFAULT_BOARD', '')
 
 parser.add_option('--autox', dest='autox', action='store_true',
-                  help='Build autox along with autotest.')
+                  default=True,
+                  help='Build autox along with autotest [default].')
+parser.add_option('--noautox', dest='autox', action='store_false',
+                  help='Don\'t build autox along with autotest.')
 parser.add_option('--board', dest='board', action='store',
                   default=DEFAULT_BOARD,
                   help='The board for which you are building autotest.')
 parser.add_option('--build', dest='build', action='store',
                   help='Only prebuild client tests, do not run tests.')
 parser.add_option('--buildcheck', dest='buildcheck', action='store_true',
-                  help='Fail if tests fail to build.')
+                  default=True,
+                  help='Fail if tests fail to build [default].')
+parser.add_option('--nobuildcheck', dest='buildcheck', action='store_false',
+                  help='Ignore test build failures.')
 parser.add_option('--jobs', dest='jobs', action='store', type=int,
                   default=-1,
                   help='How many packages to build in parallel at maximum.')
 parser.add_option('--noprompt', dest='noprompt', action='store_true',
                   help='Prompt user when building all tests.')
 
 
 AUTOSERV='../third_party/autotest/files/server/autoserv'
 AUTOTEST_CLIENT='../third_party/autotest/files/client/bin/autotest_client'
 
@@ skipping 126 matching lines @@
       die(common_sh, 'build_autotest failed.')
   else:
     ssh_key_file = os.path.join(os.path.dirname(me),
                                 'mod_for_test_scripts/ssh_keys/testing_rsa')
     os.chmod(ssh_key_file, 0400)
     run_autoserv(options.board, args)
 
 
 if __name__ == '__main__':
   main()
-