Clear config cache on bin/console cache:clear

src/Configuration/Config.php

@@ -20,6 +20,8 @@
 
 class Config
 {
+    public const CACHE_KEY = 'config_cache';
+
     /** @var Collection */
     protected $data;
 
@@ -76,7 +78,7 @@ private function getConfig(): Collection
         // Verify if timestamps are unchanged. If not, invalidate cache.
         foreach ($timestamps as $filename => $timestamp) {
             if (file_exists($filename) === false || filemtime($filename) > $timestamp) {
-                $this->cache->delete('config_cache');
+                $this->cache->delete(self::CACHE_KEY);
                 [$data] = $this->getCache();
 
                 // Clear the entire cache in order to re-generate %bolt.requirement.contenttypes%
@@ -91,7 +93,7 @@ private function getConfig(): Collection
 
     private function getCache(): array
     {
-        return $this->cache->get('config_cache', function () {
+        return $this->cache->get(self::CACHE_KEY, function () {
             return $this->parseConfig();
         });
     }

src/Event/ConfigCacheClearer.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bolt\Event;
+
+use Bolt\Configuration\Config;
+use Symfony\Component\HttpKernel\CacheClearer\CacheClearerInterface;
+use Symfony\Contracts\Cache\CacheInterface;
+
+class ConfigCacheClearer implements CacheClearerInterface
+{
+    /** @var CacheInterface */
+    private $cache;
+
+    public function __construct(CacheInterface $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    public function clear(string $cacheDir): void
+    {
+        $this->cache->delete(Config::CACHE_KEY);
+    }
+}