bug #51969 [FrameworkBundle] Fix calling Kernel::warmUp() when runn…

…ing `cache:warmup` (nicolas-grekas)

This PR was merged into the 5.4 branch.

Discussion
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[FrameworkBundle] Fix calling `Kernel::warmUp()` when running `cache:warmup`

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT

Maps to https://github.com/symfony/symfony/blob/e86d26abd07187d5ec5b2d780cfd1d872d57fe2a/src/Symfony/Component/HttpKernel/Kernel.php#L581-L587

Commits
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f10c2cc [FrameworkBundle] Fix calling Kernel::warmUp() when running cache:warmup

src/Symfony/Bundle/FrameworkBundle/Command/CacheWarmupCommand.php

@@ -18,6 +18,7 @@
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\DependencyInjection\Dumper\Preloader;
 use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerAggregate;
+use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
 
 /**
  * Warmup the cache.
@@ -73,8 +74,13 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         if (!$input->getOption('no-optional-warmers')) {
             $this->cacheWarmer->enableOptionalWarmers();
         }
+        $cacheDir = $kernel->getContainer()->getParameter('kernel.cache_dir');
 
-        $preload = $this->cacheWarmer->warmUp($cacheDir = $kernel->getContainer()->getParameter('kernel.cache_dir'));
+        if ($kernel instanceof WarmableInterface) {
+            $kernel->warmUp($cacheDir);
+        }
+
+        $preload = $this->cacheWarmer->warmUp($cacheDir);
 
         if ($preload && file_exists($preloadFile = $cacheDir.'/'.$kernel->getContainer()->getParameter('kernel.container_class').'.preload.php')) {
             Preloader::append($preloadFile, $preload);