From 2b50e3456662a7434706b3a1eca01069cba70b21 Mon Sep 17 00:00:00 2001
From: Tom Mason <wheybags@wheybags.com>
Date: Sat, 7 Sep 2013 15:41:51 +0100
Subject: [PATCH] Fixed issue with copy_file

from: https://forum.openmw.org/viewtopic.php?f=20&t=1718&hilit=0.26&start=50#p18705
---
 apps/launcher/unshieldthread.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/launcher/unshieldthread.cpp b/apps/launcher/unshieldthread.cpp
index ab9d984e1..ea293b29d 100644
--- a/apps/launcher/unshieldthread.cpp
+++ b/apps/launcher/unshieldthread.cpp
@@ -216,7 +216,12 @@ namespace
             else
             {
                 if(copy)
-                    bfs::copy_file(dir->path(), to / dir->path().filename());
+                {
+                    bfs::path dest = to / dir->path().filename();
+                    if(bfs::exists(dest))
+                        bfs::remove_all(dest);
+                    bfs::copy_file(dir->path(), dest);
+                }
                 else
                     bfs::rename(dir->path(), to / dir->path().filename());
             }