From 97b9a31dfacb778430348d31be84c03da47fdb69 Mon Sep 17 00:00:00 2001
From: Jesus Manuel Olivas <jesus.olivas@gmail.com>
Date: Mon, 12 Feb 2018 12:03:09 -0800
Subject: [PATCH] [debug:chain] Add warning message when no chain files found.
 (#310)

---
 src/Command/Debug/ChainCommand.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Command/Debug/ChainCommand.php b/src/Command/Debug/ChainCommand.php
index 7506edb..1f399b1 100644
--- a/src/Command/Debug/ChainCommand.php
+++ b/src/Command/Debug/ChainCommand.php
@@ -56,6 +56,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $files = $this->chainDiscovery->getFiles();
         $filesPerDirectory = $this->chainDiscovery->getFilesPerDirectory();
 
+        if (!$files || !$filesPerDirectory) {
+            $this->getIo()->warning($this->trans('commands.debug.chain.messages.no-files'));
+
+            return 0;
+        }
+
         foreach ($filesPerDirectory as $directory => $fileNames) {
             $this->getIo()->info(' ' . $this->trans('commands.debug.chain.messages.directory'), false);
             $this->getIo()->comment($directory);