Add class argument (#36513)

Author: jasonmccreary

src/Illuminate/Database/Console/Seeds/SeedCommand.php

@@ -6,6 +6,7 @@
 use Illuminate\Console\ConfirmableTrait;
 use Illuminate\Database\ConnectionResolverInterface as Resolver;
 use Illuminate\Database\Eloquent\Model;
+use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputOption;
 
 class SeedCommand extends Command
@@ -81,7 +82,7 @@ public function handle()
      */
     protected function getSeeder()
     {
-        $class = $this->input->getOption('class');
+        $class = $this->input->getArgument('class') ?? $this->input->getOption('class');
 
         if (strpos($class, '\\') === false) {
             $class = 'Database\\Seeders\\'.$class;
@@ -109,6 +110,18 @@ protected function getDatabase()
         return $database ?: $this->laravel['config']['database.default'];
     }
 
+    /**
+     * Get the console command arguments.
+     *
+     * @return array
+     */
+    protected function getArguments()
+    {
+        return [
+            ['class', InputArgument::OPTIONAL, 'The class name of the root seeder', null],
+        ];
+    }
+
     /**
      * Get the console command options.
      *