Switch to new release poller for nacl sdk waterfall.

scripts/master/buildspec_utils.py

Index: scripts/master/buildspec_utils.py
diff --git a/scripts/master/buildspec_utils.py b/scripts/master/buildspec_utils.py
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+# Copyright (c) 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.
+
+"""Set of utilities to work with buildspec based GClient solutions."""
+
+import config
+import sys
+
+from master.factory import gclient_factory
+from master import gitiles_poller
+
+def GetBuildspecSolution(buildspec, name=None, custom_deps_list=None,
+                         managed=None):
+  """Returns GClientSolution that can be used to checkout given buildspec.
+
+  Args:
+    buildspec: path to buildspec file relative to
+        /chrome/tools/buildspec.git.
+    name: Name for this solution.
+    custom_deps_list: Modifications to make on the DEPS file.
+    managed: Specify managed in .gclient file
+  """
+  url = (config.Master.git_internal_server_url +
+                      '/chrome/tools/buildspec.git')
+  return gclient_factory.GClientSolution(
+      url,
+      name,
+      custom_deps_file=buildspec + '/DEPS',
+      custom_deps_list=custom_deps_list,
+      managed=managed
+  )
+
+def GetFileIsImportant(directory):
+  """ Use FileIsImportant callable to watch changes in the
+      given directory's buildspec DEPS files.
+
+      Args:
+        directory: the dir of the DEPS file
+                   for example 'build/chrome-official'
+  """
+  def FileIsImportant(change):
+    for fileChanged in change.files:
+      if isinstance(directory, (list, tuple)):
+        for d in directory:
+          if fileChanged.startswith(d):
+            return True
+      elif fileChanged.startswith(directory):
+        return True
+    return False
+  return FileIsImportant
+
+class BuildspecPoller(gitiles_poller.GitilesPoller):
+  def __init__(self, buildspec_prefixes, *args, **kwargs):
+    self.buildspec_prefixes = buildspec_prefixes
+
+    if kwargs['svn_mode']:
+      kwargs.setdefault('repo_url', config.Master.git_internal_server_url +
+                      '/chrome/tools/buildspec')
+      kwargs.setdefault('revlinktmpl', 'https://uberchromegw.corp.google.com/'
+                      'viewvc/chrome-internal?view=rev&revision=%s')
+      kwargs.setdefault('svn_mode', True)
+      kwargs['svn_branch'] = self.buildspec_svn_branch
+    else:
+      kwargs.setdefault('repo_url', config.Master.git_internal_server_url +
+                      '/chrome/tools/buildspec.git')
+      kwargs.setdefault('revlinktmpl', config.Master.git_internal_server_url +
+                      '/chrome/tools/buildspec.git/+/%s')
+
+    kwargs.setdefault('branches', ['master'])
+    kwargs.setdefault('pollInterval', 30)
+
+    kwargs['change_filter'] = self.buildspec_change_filter
+    gitiles_poller.GitilesPoller.__init__(self, *args, **kwargs)
+
+  def buildspec_svn_branch(self, commit_json, git_branch):
+    for tree_entry in commit_json.get('tree_diff', []):
+      for prefix in self.buildspec_prefixes:
+        if tree_entry['new_path'].startswith(prefix):
+          return prefix.rstrip('/').split('/')[-1]
+    return git_branch.rpartition('/')[2]
+
+  def buildspec_change_filter(self, commit_json, git_branch):
+    if 'tree_diff' not in commit_json:
+      return True
+    for tree_entry in commit_json['tree_diff']:
+      for prefix in self.buildspec_prefixes:
+        if tree_entry['new_path'].startswith(prefix):
+          return True
+    return False