Backport from changeset 75ef01e236e5.

vispa/remote/filesystem.py

@@ -310,7 +310,7 @@ class FileSystem(object):
             newname = self.handle_file_name_collision(name, destination)
             destination = os.path.join(destination, newname)
             if os.path.isdir(source):
-                shutil.copytree(source, destination)
+                shutil.copytree(source, destination, symlinks=True)
                 shutil.rmtree(source)
             else:
                 shutil.copy2(source, destination)
@@ -369,7 +369,7 @@ class FileSystem(object):
         fulltarget = os.path.join(path, target)
 
         if os.path.isdir(fullsrc):
-            shutil.copytree(fullsrc, fulltarget)
+            shutil.copytree(fullsrc, fulltarget, symlinks=True)
             if cut:
                 shutil.rmtree(fullsrc)
         else: