From 740bc2fcddbc15e8d04784e830fefde196a609ad Mon Sep 17 00:00:00 2001
From: Leo Feyer <1192057+leofeyer@users.noreply.github.com>
Date: Tue, 25 Feb 2025 17:14:59 +0100
Subject: [PATCH] Do not synchronize package.json if symfony/flex is not
 installed

---
 src/Flex.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Flex.php b/src/Flex.php
index 3d4bff9f..afec54ae 100644
--- a/src/Flex.php
+++ b/src/Flex.php
@@ -600,6 +600,12 @@ public function finish(string $rootDir, ?string $originalComposerJsonHash = null
 
     private function synchronizePackageJson(string $rootDir)
     {
+        if (!$this->downloader->isEnabled()) {
+            $this->io->writeError('<warning>Synchronizing package.json is disabled: "symfony/flex" not found in the root composer.json</>');
+
+            return;
+        }
+
         $rootDir = realpath($rootDir);
         $vendorDir = trim((new Filesystem())->makePathRelative($this->config->get('vendor-dir'), $rootDir), '/');