diff --git a/plugins/DomainStatusNetwork/domainstatusnetworkinstaller.php b/plugins/DomainStatusNetwork/domainstatusnetworkinstaller.php
index ea8220056c..c871c2328e 100644
--- a/plugins/DomainStatusNetwork/domainstatusnetworkinstaller.php
+++ b/plugins/DomainStatusNetwork/domainstatusnetworkinstaller.php
@@ -177,10 +177,17 @@ class DomainStatusNetworkInstaller extends Installer
             throw new ServerException("Could not create status_network: " . print_r($sn, true));
         }
 
+        // Re-fetch; stupid auto-increment integer isn't working
+
+        $sn = Status_network::staticGet('nickname', $sn->nickname);
+
+        if (empty($sn)) {
+            throw new ServerException("Created {$this->nickname} status_network and could not find it again.");
+        }
+
         $sn->setTags(array('domain='.$this->domain));
 
         $this->sn = $sn;
-
     }
 
     function checkSchema()
diff --git a/plugins/EmailRegistration/emailregister.php b/plugins/EmailRegistration/emailregister.php
index 062b054ad7..a7c8e8a2da 100644
--- a/plugins/EmailRegistration/emailregister.php
+++ b/plugins/EmailRegistration/emailregister.php
@@ -79,6 +79,10 @@ class EmailregisterAction extends Action
     {
         parent::prepare($argarray);
 
+        if (common_config('site', 'closed')) {
+            throw new ClientException(_('Registration not allowed.'), 403);
+        }
+
         if ($this->isPost()) {
 
             $this->checkSessionToken();
@@ -86,6 +90,9 @@ class EmailregisterAction extends Action
             $this->email = $this->trimmed('email');
 
             if (!empty($this->email)) {
+                if (common_config('site', 'inviteonly')) {
+                    throw new ClientException(_('Sorry, only invited people can register.'), 403);
+                }
                 $this->email = common_canonical_email($this->email);
                 $this->state = self::NEWEMAIL;
             } else {
@@ -119,6 +126,9 @@ class EmailregisterAction extends Action
             $this->code = $this->trimmed('code');
 
             if (empty($this->code)) {
+                if (common_config('site', 'inviteonly')) {
+                    throw new ClientException(_('Sorry, only invited people can register.'), 403);
+                }
                 $this->state = self::NEWREGISTER;
             } else {
                 $this->invitation = Invitation::staticGet('code', $this->code);
diff --git a/plugins/RequireValidatedEmail/RequireValidatedEmailPlugin.php b/plugins/RequireValidatedEmail/RequireValidatedEmailPlugin.php
index 0d4bc4da16..fdb039afec 100644
--- a/plugins/RequireValidatedEmail/RequireValidatedEmailPlugin.php
+++ b/plugins/RequireValidatedEmail/RequireValidatedEmailPlugin.php
@@ -125,28 +125,6 @@ class RequireValidatedEmailPlugin extends Plugin
         return true;
     }
 
-    /**
-     * Event handler for registration attempts; rejects the registration
-     * if email field is missing.
-     *
-     * @param Action $action Action being executed
-     *
-     * @return bool hook result code
-     */
-    function onStartRegistrationTry($action)
-    {
-        $email = $action->trimmed('email');
-
-        if (empty($email)) {
-            $action->showForm(_m('You must provide an email address to register.'));
-            return false;
-        }
-
-        // Default form will run address format validation and reject if bad.
-
-        return true;
-    }
-
     /**
      * Event handler for registration attempts; rejects the registration
      * if email field is missing.
diff --git a/scripts/checkschema.php b/scripts/checkschema.php
index 73fd74302c..cec5773683 100755
--- a/scripts/checkschema.php
+++ b/scripts/checkschema.php
@@ -2,7 +2,7 @@
 <?php
 /*
  * StatusNet - a distributed open-source microblogging tool
- * Copyright (C) 2008, 2009, StatusNet, Inc.
+ * Copyright (C) 2008-2011 StatusNet, Inc.
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as published by
@@ -20,9 +20,16 @@
 
 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
 
+$shortoptions = 'x::';
+$longoptions = array('extensions=');
+
 $helptext = <<<END_OF_CHECKSCHEMA_HELP
+php checkschema.php [options]
 Gives plugins a chance to update the database schema.
 
+    -x --extensions=     Comma-separated list of plugins to load before checking
+
+
 END_OF_CHECKSCHEMA_HELP;
 
 require_once INSTALLDIR.'/scripts/commandline.inc';
@@ -41,4 +48,17 @@ foreach (tableDefs() as $table => $def) {
 }
 $schemaUpdater->checkSchema();
 
+if (have_option('x', 'extensions')) {
+    $ext = trim(get_option_value('x', 'extensions'));
+    $exts = explode(',', $ext);
+    foreach ($exts as $plugin) {
+        try {
+            addPlugin($plugin);
+        } catch (Exception $e) {
+            print $e->getMessage()."\n";
+            exit(1);
+        }
+    }
+}
+
 Event::handle('CheckSchema');