diff --git a/src/applications/repository/controller/edit/PhabricatorRepositoryEditController.php b/src/applications/repository/controller/edit/PhabricatorRepositoryEditController.php
index 6dc2f7a0c0..3491dd6234 100644
--- a/src/applications/repository/controller/edit/PhabricatorRepositoryEditController.php
+++ b/src/applications/repository/controller/edit/PhabricatorRepositoryEditController.php
@@ -240,6 +240,14 @@ class PhabricatorRepositoryEditController
           'default-owners-path',
           '/'));
 
+      $repository->setDetail(
+        'herald-disabled',
+        $request->getInt('herald-disabled', 0));
+
+      if ($is_svn) {
+        $repository->setUUID($request->getStr('uuid'));
+      }
+
       $repository->setDetail(
         'detail-parser',
         $request->getStr(
@@ -375,6 +383,21 @@ class PhabricatorRepositoryEditController
               '/'))
           ->setCaption('Default path in Owners tool.'));
 
+    $form
+      ->appendChild(
+        id(new AphrontFormSelectControl())
+          ->setName('herald-disabled')
+          ->setLabel('Herald Enabled')
+          ->setValue($repository->getDetail('herald-disabled', 0))
+          ->setOptions(
+            array(
+              0 => 'Enabled - Send Email',
+              1 => 'Disabled - Do Not Send Email',
+            ))
+          ->setCaption(
+            'You can temporarily disable Herald notifications when reparsing '.
+            'a repository or importing a new repository.'));
+
     $parsers = id(new PhutilSymbolLoader())
       ->setAncestorClass('PhabricatorRepositoryCommitMessageDetailParser')
       ->selectSymbolsWithoutLoading();
@@ -395,7 +418,19 @@ class PhabricatorRepositoryEditController
           ->setValue(
             $repository->getDetail(
               'detail-parser',
-              'PhabricatorRepositoryDefaultCommitMessageDetailParser')))
+              'PhabricatorRepositoryDefaultCommitMessageDetailParser')));
+
+    if ($is_svn) {
+      $form
+        ->appendChild(
+          id(new AphrontFormTextControl())
+            ->setName('uuid')
+            ->setLabel('UUID')
+            ->setValue($repository->getUUID())
+            ->setCaption('Repository UUID from <tt>svn info</tt>.'));
+    }
+
+    $form
       ->appendChild(
         id(new AphrontFormSubmitControl())
           ->setValue('Save'));
diff --git a/src/applications/repository/controller/edit/__init__.php b/src/applications/repository/controller/edit/__init__.php
index c1a90c0d27..dd59c75cee 100644
--- a/src/applications/repository/controller/edit/__init__.php
+++ b/src/applications/repository/controller/edit/__init__.php
@@ -16,6 +16,7 @@ phutil_require_module('phabricator', 'applications/repository/storage/repository
 phutil_require_module('phabricator', 'infrastructure/env');
 phutil_require_module('phabricator', 'view/control/table');
 phutil_require_module('phabricator', 'view/form/base');
+phutil_require_module('phabricator', 'view/form/control/select');
 phutil_require_module('phabricator', 'view/form/control/submit');
 phutil_require_module('phabricator', 'view/form/control/text');
 phutil_require_module('phabricator', 'view/form/error');
diff --git a/src/applications/repository/storage/repository/PhabricatorRepository.php b/src/applications/repository/storage/repository/PhabricatorRepository.php
index ec2e0f1059..0235e1a435 100644
--- a/src/applications/repository/storage/repository/PhabricatorRepository.php
+++ b/src/applications/repository/storage/repository/PhabricatorRepository.php
@@ -27,6 +27,7 @@ class PhabricatorRepository extends PhabricatorRepositoryDAO {
   protected $phid;
   protected $name;
   protected $callsign;
+  protected $uuid;
 
   protected $versionControlSystem;
   protected $details = array();
diff --git a/src/applications/repository/worker/herald/PhabricatorRepositoryCommitHeraldWorker.php b/src/applications/repository/worker/herald/PhabricatorRepositoryCommitHeraldWorker.php
index fd53cf0be9..e7e722c48a 100644
--- a/src/applications/repository/worker/herald/PhabricatorRepositoryCommitHeraldWorker.php
+++ b/src/applications/repository/worker/herald/PhabricatorRepositoryCommitHeraldWorker.php
@@ -23,6 +23,10 @@ class PhabricatorRepositoryCommitHeraldWorker
     PhabricatorRepository $repository,
     PhabricatorRepositoryCommit $commit) {
 
+    if ($repository->getDetail('herald-disabled')) {
+      return;
+    }
+
     $data = id(new PhabricatorRepositoryCommitData())->loadOneWhere(
       'commitID = %d',
       $commit->getID());