From 7c89930d46e121bdefffc23dcae13dd5e54d6a8a Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Sat, 4 Jun 2016 17:00:40 +0200
Subject: [PATCH] Fixed: Error 18 when moving a file between different file
 systems

---
 code/nel/src/misc/path.cpp | 32 +++++++++++++++++++++++++++-----
 1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/code/nel/src/misc/path.cpp b/code/nel/src/misc/path.cpp
index b4057e315..061c938a5 100644
--- a/code/nel/src/misc/path.cpp
+++ b/code/nel/src/misc/path.cpp
@@ -2374,11 +2374,33 @@ static bool CopyMoveFile(const std::string &dest, const std::string &src, bool c
 #else
 		if (rename (ssrc.c_str(), sdest.c_str()) == -1)
 		{
-			nlwarning ("PATH: CopyMoveFile error: can't rename '%s' into '%s', error %u",
-				ssrc.c_str(),
-				sdest.c_str(),
-				errno);
-			return false;
+			// unable to move because file systems are different
+			if (errno == EXDEV)
+			{
+				// different file system, we need to copy and delete file manually
+				if (!CopyMoveFile(dest, src, true, failIfExists, progress)) return false;
+
+				// get modification time
+				uint32 modificationTime = CFile::getFileModificationDate(src);
+
+				// delete original file
+				if (!CFile::deleteFile(src)) return false;
+
+				// set same modification time
+				if (!CFile::setFileModificationDate(dest, modificationTime))
+				{
+					nlwarning("Unable to set modification time %s (%u) for %s", timestampToHumanReadable(modificationTime).c_str(), modificationTime, dest.c_str());
+				}
+			}
+			else
+			{
+				nlwarning("PATH: CopyMoveFile error: can't rename '%s' into '%s', error %u",
+					ssrc.c_str(),
+					sdest.c_str(),
+					errno);
+
+				return false;
+			}
 		}
 #endif
 	}