From 7353348d7abd38fae661ef74db11591e5f5b420f Mon Sep 17 00:00:00 2001
From: Yohann D'ANELLO <yohann.danello@gmail.com>
Date: Sun, 20 Sep 2020 09:07:51 +0200
Subject: [PATCH] Rollback transaction when checking an add permission
 (experimental)

---
 apps/permission/models.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/permission/models.py b/apps/permission/models.py
index ee7d3ec4..17214894 100644
--- a/apps/permission/models.py
+++ b/apps/permission/models.py
@@ -43,6 +43,7 @@ class InstancedPermission:
                 obj = copy(obj)
                 obj.pk = 0
                 with transaction.atomic():
+                    sid = transaction.savepoint()
                     for o in self.model.model_class().objects.filter(pk=0).all():
                         o._force_delete = True
                         Model.delete(o)
@@ -65,6 +66,7 @@ class InstancedPermission:
                     obj._no_signal = True
                     obj._force_delete = True
                     Model.delete(obj)
+                    transaction.savepoint_rollback(sid)
 
                 return ret