- Fix bug in tarlayerformat when dealing with larger headers

- Fix bug around entry points and config in the ACI converter

util/tarlayerformat.py

@@ -1,5 +1,6 @@
 import os
 import tarfile
+import copy
 
 class TarLayerReadException(Exception):
   """ Exception raised when reading a layer has failed. """
@@ -38,7 +39,7 @@ class TarLayerFormat(object):
 
         # Yield the tar header.
         if self.path_prefix:
-          clone = tarfile.TarInfo.frombuf(tar_info.tobuf())
+          clone = copy.deepcopy(tar_info)
           clone.name = os.path.join(self.path_prefix, clone.name)
           yield clone.tobuf()
         else: