From 588335c6db112e82810bb421832374538221deef Mon Sep 17 00:00:00 2001
From: Lipu Fei <lipu.fei815@gmail.com>
Date: Wed, 20 Dec 2017 13:42:55 +0100
Subject: [PATCH] Make sure only single-extrusion machines will be fixed

CURA-4713
---
 cura/Settings/CuraContainerRegistry.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cura/Settings/CuraContainerRegistry.py b/cura/Settings/CuraContainerRegistry.py
index 26d3484a9f..089d513071 100644
--- a/cura/Settings/CuraContainerRegistry.py
+++ b/cura/Settings/CuraContainerRegistry.py
@@ -406,6 +406,10 @@ class CuraContainerRegistry(ContainerRegistry):
         if not isinstance(container, ContainerStack) or container.getMetaDataEntry("type") != "machine":
             return
 
+        machine_extruder_trains = container.getMetaDataEntry("machine_extruder_trains")
+        if machine_extruder_trains is not None and machine_extruder_trains != {"0": "fdmextruder"}:
+            return
+
         extruder_stacks = self.findContainerStacks(type = "extruder_train", machine = container.getId())
         if not extruder_stacks:
             self.addExtruderStackForSingleExtrusionMachine(container, "fdmextruder")