Control who gets notified by GerritStatusPush

Allow the GerritStatusPush object to accept who to notify
as an argument. The notify argument is a string
which accepts values found in the gerrit documentation
for the --notify flag. The argument is set to "OWNER" by
default to reduce spam.

Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>

master/buildbot/reporters/gerrit.py

@@ -144,11 +144,12 @@ class GerritStatusPush(service.BuildbotService):
     startArg = None
     summaryCB = None
     summaryArg = None
+    gerrit_notify = None
 
     def reconfigService(self, server, username, reviewCB=DEFAULT_REVIEW,
                         startCB=None, port=29418, reviewArg=None,
                         startArg=None, summaryCB=DEFAULT_SUMMARY, summaryArg=None,
-                        identity_file=None, builders=None):
+                        identity_file=None, builders=None, notify='OWNER'):
 
         # If neither reviewCB nor summaryCB were specified, default to sending
         # out "summary" reviews. But if we were given a reviewCB and only a
@@ -175,6 +176,7 @@ def reconfigService(self, server, username, reviewCB=DEFAULT_REVIEW,
         self.summaryCB = summaryCB
         self.summaryArg = summaryArg
         self.builders = builders
+        self.gerrit_notify = notify
 
     def _gerritCmd(self, *args):
         '''Construct a command as a list of strings suitable for
@@ -397,6 +399,10 @@ def sendCodeReview(self, project, revision, result):
             return
 
         command = self._gerritCmd("review", "--project %s" % (project,))
+
+        if self.gerrit_notify is not None:
+            command.extend(["--notify %s" % str(self.gerrit_notify)])
+
         message = result.get('message', None)
         if message:
             command.append("--message '%s'" % message.replace("'", "\""))