diff --git a/src/lint/engine/ArcanistConfigurationDrivenLintEngine.php b/src/lint/engine/ArcanistConfigurationDrivenLintEngine.php
--- a/src/lint/engine/ArcanistConfigurationDrivenLintEngine.php
+++ b/src/lint/engine/ArcanistConfigurationDrivenLintEngine.php
@@ -1,8 +1,8 @@
 <?php
 
-final class ArcanistConfigurationDrivenLintEngine extends ArcanistLintEngine {
+class ArcanistConfigurationDrivenLintEngine extends ArcanistLintEngine {
 
-  public function buildLinters() {
+  public function getLinterConfig() {
     $working_copy = $this->getWorkingCopy();
     $config_path = $working_copy->getProjectPath('.arclint');
 
@@ -20,6 +20,12 @@
         "decode it: {$config_path}");
     }
 
+    return $config;
+  }
+
+
+  public function buildLinters() {
+    $config = $this->getLinterConfig();
     $linters = $this->loadAvailableLinters();
 
     try {
@@ -125,6 +131,7 @@
     return $built_linters;
   }
 
+
   private function loadAvailableLinters() {
     $linters = id(new PhutilSymbolLoader())
       ->setAncestorClass('ArcanistLinter')