From 3ab76e40ff0962c14a86c34a479d169b8e5a1da3 Mon Sep 17 00:00:00 2001
From: Laurent VOULLEMIER <laurent.voullemier@gmail.com>
Date: Thu, 28 May 2020 22:44:39 +0200
Subject: [PATCH] Add meaningful message when Process is not installed
 (ProcessHelper)

---
 src/Symfony/Component/Console/Helper/ProcessHelper.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Symfony/Component/Console/Helper/ProcessHelper.php b/src/Symfony/Component/Console/Helper/ProcessHelper.php
index 666f114a23..951bb854ec 100644
--- a/src/Symfony/Component/Console/Helper/ProcessHelper.php
+++ b/src/Symfony/Component/Console/Helper/ProcessHelper.php
@@ -37,6 +37,10 @@ class ProcessHelper extends Helper
      */
     public function run(OutputInterface $output, $cmd, $error = null, callable $callback = null, $verbosity = OutputInterface::VERBOSITY_VERY_VERBOSE)
     {
+        if (!class_exists(Process::class)) {
+            throw new \LogicException('The Process helper requires the "Process" component. Install "symfony/process" to use it.');
+        }
+
         if ($output instanceof ConsoleOutputInterface) {
             $output = $output->getErrorOutput();
         }