From 4f5bcc30d3447a7a498b124bf6e35fe177a8a320 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Tue, 15 May 2018 12:52:54 +0200
Subject: [PATCH] Particle edit: Add missing looking tag in cut brush

---
 source/blender/editors/physics/particle_edit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 3ade4b90ab1..79afba38d08 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -4268,6 +4268,7 @@ static int shape_cut_exec(bContext *C, wmOperator *UNUSED(op))
 		if (edit->psys) {
 			WM_event_add_notifier(C, NC_OBJECT|ND_PARTICLE|NA_EDITED, ob);
 			BKE_particle_batch_cache_dirty(edit->psys, BKE_PARTICLE_BATCH_DIRTY_ALL);
+			DEG_id_tag_update(&ob->id, DEG_TAG_COPY_ON_WRITE);
 		}
 		else {
 			DEG_id_tag_update(&ob->id, OB_RECALC_DATA);