From 4710d69f4cc3a56f93e1d291d7916b606b2ebc90 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Tue, 25 Sep 2018 18:11:20 -0400
Subject: [PATCH] Bug1988: Don't lose data in unusual inter-project copy-paste
 case

---
 src/Menus.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Menus.cpp b/src/Menus.cpp
index 8bfb001b6..c087c1eba 100644
--- a/src/Menus.cpp
+++ b/src/Menus.cpp
@@ -6018,6 +6018,12 @@ void MenuCommandHandler::OnPaste(const CommandContext &context)
                                            AudacityProject::msClipboard.get());
       c = clipWaveIter.Last();
 
+      Maybe<WaveTrack::Locker> locker;
+      if (AudacityProject::msClipProject != &project && c)
+         // Cause duplication of block files on disk, when copy is
+         // between projects
+         locker.create(static_cast<const WaveTrack*>(c));
+
       while (n) {
          if (n->GetSelected() && n->GetKind()==Track::Wave) {
             if (c) {