From 3bdd69ad6bc6d3a7243bf6371137b82c1723d490 Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <hillbrand@ucdavis.edu>
Date: Fri, 12 Apr 2019 19:51:18 -0700
Subject: [PATCH] eeschema: Fix undo stacking for break wire

The break wire command is actually two commands: modify the existing
wire and add a new wire.  This means that the command must append to the
previous commit to avoid breaking the undo stack

Fixes: lp:1824251
* https://bugs.launchpad.net/kicad/+bug/1824251
---
 eeschema/bus-wire-junction.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eeschema/bus-wire-junction.cpp b/eeschema/bus-wire-junction.cpp
index 3e0a4275dc..7bdfa2daad 100644
--- a/eeschema/bus-wire-junction.cpp
+++ b/eeschema/bus-wire-junction.cpp
@@ -776,8 +776,8 @@ bool SCH_EDIT_FRAME::BreakSegment( SCH_LINE* aSegment, const wxPoint& aPoint,
     newSegment->SetStartPoint( aPoint );
     AddToScreen( newSegment, aScreen );
 
-    if( aAppend )
-        SaveCopyInUndoList( newSegment, UR_NEW, true );
+    SaveCopyInUndoList( newSegment, UR_NEW, aAppend );
+    SaveCopyInUndoList( aSegment, UR_CHANGED, true );
 
     RefreshItem( aSegment );
     aSegment->SetEndPoint( aPoint );