Rietveld: Mark CQ Dry Run messages as autogenerated.

appengine/chromium_rietveld/codereview/views.py

Index: appengine/chromium_rietveld/codereview/views.py
diff --git a/appengine/chromium_rietveld/codereview/views.py b/appengine/chromium_rietveld/codereview/views.py
index 3ab4020663bf31badec974d2a2e39b6e9379426c..ddb4c440dd68ce34b0b18e0316282639352b8304 100644
--- a/appengine/chromium_rietveld/codereview/views.py
+++ b/appengine/chromium_rietveld/codereview/views.py
@@ -3419,11 +3419,15 @@ def publish(request):
   if comments:
     logging.warn('Publishing %d comments', len(comments))
   # Email only the triggerer and the CL owner if it was a CQ dry run request.
-  # More details are in crbug.com/476883
+  # More details are in http://crbug.com/476883.
   email_to = None
+  # Mark CQ dry run messages as autogenerated.
+  # More details: http://crbug.com/596249.
+  auto_generated = False
   if (request.user.email().lower() in (CQ_COMMIT_BOT_EMAIL, CQ_SERVICE_ACCOUNT)
        and 'dry run' in form.cleaned_data['message'].lower()):
     email_to = [issue.owner.email()]
+    auto_generated = True
     if (issue.cq_dry_run_last_triggered_by and
         issue.cq_dry_run_last_triggered_by != issue.owner.email()):
       email_to.append(issue.cq_dry_run_last_triggered_by)
@@ -3433,7 +3437,8 @@ def publish(request):
                      form.cleaned_data['send_mail'],
                      draft=draft_message,
                      email_to=email_to,
-                     in_reply_to=form.cleaned_data.get('in_reply_to'))
+                     in_reply_to=form.cleaned_data.get('in_reply_to'),
+                     auto_generated=auto_generated)
   tbd.append(msg)
 
   for obj in tbd: