Merge pull request #3987 from nextcloud/bugfix/upload-new-folder-with-vfs

Quick fix! Disable VFS folders removal for non-Windows VFS.

src/libsync/discovery.cpp

@@ -1000,6 +1000,11 @@ void ProcessDirectoryJob::processFileAnalyzeLocalInfo(
             return;
         }
 
+        if (localEntry.isDirectory && _discoveryData->_syncOptions._vfs->mode() != Vfs::WindowsCfApi) {
+            // for VFS folders on Windows only
+            return;
+        }
+
         Q_ASSERT(item->_instruction == CSYNC_INSTRUCTION_NEW);
         if (item->_instruction != CSYNC_INSTRUCTION_NEW) {
             qCWarning(lcDisco) << "Trying to wipe a virtual item" << path._local << " with item->_instruction" << item->_instruction;