Global ignore list for IRCBot

Summary: ignore - array - Array of nicks to ignore all mesages from

Test Plan: run phabot with ignore set

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4582

src/infrastructure/daemon/irc/PhabricatorIRCBot.php

@@ -211,6 +211,11 @@ final class PhabricatorIRCBot extends PhabricatorDaemon {
   }
 
   private function routeMessage(PhabricatorIRCMessage $message) {
+    $ignore = $this->getConfig('ignore');
+    if ($ignore && in_array($message->getSenderNickName(), $ignore)) {
+        return;
+    }
+
     foreach ($this->handlers as $handler) {
       try {
         $handler->receiveMessage($message);