From f90896b892619ea7a0cbdee56e2ff866e7ba1d66 Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Sat, 16 Dec 2023 18:04:04 +0100
Subject: [PATCH 1/2] require sources

---
 src/Console/Command/SwitchFormatCommand.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Console/Command/SwitchFormatCommand.php b/src/Console/Command/SwitchFormatCommand.php
index b80bff3f29f..6b401b1abf6 100644
--- a/src/Console/Command/SwitchFormatCommand.php
+++ b/src/Console/Command/SwitchFormatCommand.php
@@ -42,7 +42,7 @@ protected function configure(): void
 
         $this->addArgument(
             Option::SOURCES,
-            InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
+            InputArgument::IS_ARRAY,
             'Path to directory/file with configs'
         );
 

From f81fb3d5033455e2e9ebf1d1f67f5c9e7dc8ac27 Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Sat, 16 Dec 2023 18:07:50 +0100
Subject: [PATCH 2/2] support multiple files

---
 src/Finder/ConfigFileFinder.php | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/Finder/ConfigFileFinder.php b/src/Finder/ConfigFileFinder.php
index 38d06979998..daae99ef431 100644
--- a/src/Finder/ConfigFileFinder.php
+++ b/src/Finder/ConfigFileFinder.php
@@ -21,20 +21,22 @@ final class ConfigFileFinder
      */
     public function findFileInfos(array $sources): array
     {
-        if (count($sources) === 1 && is_file($sources[0])) {
-            $path = realpath($sources[0]);
-            return [
-                new SplFileInfo(
-                    $path,
-                    $sources[0],
-                    $sources[0]
-                )];
+        $fileInfos = [];
+        $directories = [];
+
+        foreach ($sources as $source) {
+            if (is_file($source)) {
+                $fileInfos[] = new SplFileInfo(realpath($source), $source, $source);
+            } else {
+                $directories[] = $source;
+            }
         }
 
         $finder = new Finder();
         $finder->files()
-            ->in($sources)
-            ->name(self::CONFIG_SUFFIXES_REGEX);
+            ->in($directories)
+            ->name(self::CONFIG_SUFFIXES_REGEX)
+            ->append($fileInfos);
 
         return iterator_to_array($finder->getIterator());
     }