Add ability to update an Egg by re-uploading a file.

app/Http/Requests/Admin/Egg/EggImportFormRequest.php

@@ -18,9 +18,14 @@ class EggImportFormRequest extends AdminFormRequest
      */
     public function rules()
     {
-        return [
+        $rules = [
             'import_file' => 'bail|required|file|max:1000|mimetypes:application/json,text/plain',
-            'import_to_nest' => 'bail|required|integer|exists:nests,id',
         ];
+
+        if ($this->method() !== 'PUT') {
+            $rules['import_to_nest'] = 'bail|required|integer|exists:nests,id';
+        }
+
+        return $rules;
     }
 }