Allow pub bot to continue after failure

tools/bots/bot.py

 #!/usr/bin/python
 
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """
 Shared code for use in the buildbot scripts.
 """
 
@@ skipping 133 matching lines @@
     sys.exit(1)
 
   # Print out the buildinfo for easy debugging.
   build_info.PrintBuildInfo()
 
   # Make sure we are in the dart directory
   os.chdir(DART_PATH)
 
   try:
     Clobber()
-    if build_step: 
+    if build_step:
       build_step(build_info)
 
     custom_steps(build_info)
   except OSError as e:
     sys.exit(e.errno)
 
   sys.exit(0)
 
 
 def GetBotName():
@@ skipping 32 matching lines @@
   if force:
     clobber_string = 'Clobber(always)'
 
   with BuildStep(clobber_string):
     cmd = [sys.executable,
            './tools/clean_output_directory.py']
     print 'Clobbering %s' % (' '.join(cmd))
     RunProcess(cmd)
 
 
-def RunTest(name, build_info, targets, flags=None):
+def RunTest(name, build_info, targets, flags=None, swallow_error=False):
   """
   Runs test.py with the given settings.
   """
   if not flags:
     flags = []
 
   step_name = GetStepName(name, flags)
-  with BuildStep(step_name):
+  with BuildStep(step_name, swallow_error=swallow_error):
     sys.stdout.flush()
 
     cmd = [
       sys.executable, os.path.join(os.curdir, 'tools', 'test.py'),
       '--step_name=' + step_name,
       '--mode=' + build_info.mode,
       '--compiler=' + build_info.compiler,
       '--runtime=' + build_info.runtime,
       '--arch=' + build_info.arch,
       '--progress=buildbot',
@@ skipping 24 matching lines @@
   if exit_code != 0:
     raise OSError(exit_code)
 
 
 def GetStepName(name, flags):
   """
   Filters out flags with '=' as this breaks the /stats feature of the buildbot.
   """
   flags = [x for x in flags if not '=' in x]
   return ('%s tests %s' % (name, ' '.join(flags))).strip()