refactoring

app/SSHCommands/System/UpgradeCommand.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\SSHCommands\System;
+
+use App\SSHCommands\Command;
+use Illuminate\Support\Facades\File;
+
+class UpgradeCommand extends Command
+{
+    public function file(): string
+    {
+        return File::get(resource_path('commands/system/upgrade.sh'));
+    }
+
+    public function content(): string
+    {
+        return $this->file();
+    }
+}