Add manifest output to the bot_update api.

scripts/slave/recipe_modules/bot_update/api.py

 # Copyright 2014 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.
 
 
 """Recipe module to ensure a checkout is consistant on a bot."""
 
 
 from slave import recipe_api
 from slave import recipe_util
@@ skipping 52 matching lines @@
     return self.m.python(name, bot_update_path, cmd, **kwargs)
 
   @property
   def properties(self):
       return self._properties
 
   def ensure_checkout(self, gclient_config=None, suffix=None,
                       patch=True, update_presentation=True,
                       force=False, patch_root=None, no_shallow=False,
                       with_branch_heads=False, refs=None,
-                      patch_project_roots=None, patch_oauth2=False, **kwargs):
+                      patch_project_roots=None, patch_oauth2=False,
+                      output_manifest=False, **kwargs):
     refs = refs or []
     # We can re-use the gclient spec from the gclient module, since all the
     # data bot_update needs is already configured into the gclient spec.
     cfg = gclient_config or self.m.gclient.c
     spec_string = jsonish_to_python(cfg.as_jsonish(), True)
 
     # Used by bot_update to determine if we want to run or not.
     master = self.m.properties['mastername']
     builder = self.m.properties['buildername']
     slave = self.m.properties['slavename']
@@ skipping 82 matching lines @@
       flags.append(['--refs', ref])
 
     # Filter out flags that are None.
     cmd = [item for flag_set in flags
            for item in flag_set if flag_set[1] is not None]
 
     if force:
       cmd.append('--force')
     if no_shallow:
       cmd.append('--no_shallow')
+    if output_manifest:
+      cmd.append('--output_manifest')
     if with_branch_heads:
       cmd.append('--with_branch_heads')
 
     # Inject Json output for testing.
     git_mode = self.m.properties.get('mastername') not in SVN_MASTERS
     first_sln = cfg.solutions[0].name
     step_test_data = lambda: self.test_api.output_json(
         master, builder, slave, root, first_sln, rev_map, git_mode, force,
-        self.m.properties.get('fail_patch', False))
+        self.m.properties.get('fail_patch', False),
+        output_manifest=output_manifest)
 
     # Add suffixes to the step name, if specified.
     name = 'bot_update'
     if not patch:
       name += ' (without patch)'
     if suffix:
       name += ' - %s' % suffix
 
     # Ah hah! Now that everything is in place, lets run bot_update!
     try:
@@ skipping 30 matching lines @@
 
       # bot_update actually just sets root to be the folder name of the
       # first solution.
       if step_result.json.output['did_run']:
         co_root = step_result.json.output['root']
         cwd = kwargs.get('cwd', self.m.path['slave_build'])
         if 'checkout' not in self.m.path:
           self.m.path['checkout'] = cwd.join(*co_root.split(self.m.path.sep))
 
     return step_result