Increase Dart's github polling interval, especially for client.dart.packages.

scripts/master/factory/dart/dart_factory.py

 #!/usr/bin/python
 # Copyright 2013 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.
 
 """Utility class to generate a Dart-specific BuildFactory.
 
 Based on gclient_factory.py.
 """
 
@@ skipping 528 matching lines @@
 
     # Polls config.Master.dart_url for changes
     return svnpoller.SVNPoller(svnurl=config.Master.dart_url,
                                svnbin=chromium_utils.SVN_BIN,
                                split_file=dart_tree_file_splitter,
                                pollinterval=10,
                                revlinktmpl=dart_revision_url)
 
 
   @staticmethod
-  def get_git_poller(repo, project, revlink, branch=None, master=None):
+  def get_git_poller(repo, project, revlink, branch=None, master=None,
+                     interval=None):
     project = '%s-%s' % (project, branch) if branch else project
     branch = branch or 'master'
     master = master or 'main'
+    interval = interval or 40
     workdir = '/tmp/git_workdir_%s_%s_%s' % (project, branch, master)
     return gitpoller.GitPoller(repourl=repo,
-                               pollinterval=20,
+                               pollinterval=interval,
                                project=project,
                                branch=branch,
                                workdir=workdir,
                                revlinktmpl=revlink)
 
   @staticmethod
   def get_github_gclient_repo(project, name, branch=None):
     repo = DartUtils.get_github_repo(project, name)
     if branch:
       repo = '%s@refs/remotes/origin/%s' % (repo, branch)
     return repo
 
   @staticmethod
   def get_github_repo(project, name):
     return 'https://github.com/%s/%s.git' % (project, name)
 
   @staticmethod
-  def get_github_poller(project, name, branch=None, master=None):
+  def get_github_poller(project, name, branch=None, master=None, interval=None):
     repository = 'https://github.com/%s/%s.git' % (project, name)
     revlink = ('https://github.com/' + project + '/' + name + '/commit/%s')
-    return DartUtils.get_git_poller(repository, name, revlink, branch, master)
+    return DartUtils.get_git_poller(repository, name, revlink, branch, master,
+                                    interval=interval)
 
   @staticmethod
   def get_github_mirror_poller(project, name, branch=None, master=None):
     repository = '%s/%s/%s.git' % (github_mirror, project, name)
     revlink = ('https://github.com/' + project + '/' + name + '/commit/%s')
     return DartUtils.get_git_poller(repository, name, revlink, branch, master)
 
   @staticmethod
   def prioritize_builders(buildmaster, builders):
     def get_priority(name):
@@ skipping 164 matching lines @@
                          builders=notifying_builders))
       else:
         statuses.append(
             MailNotifier(fromaddr=self._active_master.from_address,
                          mode='problem',
                          sendToInterestedUsers=send_to_interested_useres,
                          extraRecipients=extra_recipients,
                          lookup=master_utils.UsersAreEmails(),
                          builders=notifying_builders))
     return statuses