start copy from cimac web

app/Http/Requests/Permission/UpdatePermissionRequest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Vanguard\Http\Requests\Permission;
+
+use Illuminate\Validation\Rule;
+use Vanguard\Rules\ValidPermissionName;
+
+class UpdatePermissionRequest extends BasePermissionRequest
+{
+   /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'name' => [
+                'required',
+                new ValidPermissionName,
+                Rule::unique('permissions', 'name')->ignore($this->route('permission')->id)
+            ]
+        ];
+    }
+}