Revert local validation context, extract another util

config_app/config_util/tar.py

@@ -1,5 +1,11 @@
 from util.config.validator import EXTRA_CA_DIRECTORY
 
+def strip_absolute_path_and_add_trailing_dir(path):
+    """
+    Removes the initial trailing / from the prefix path, and add the last dir one
+    """
+    return path[1:] + '/'
+
 def tarinfo_filter_partial(prefix):
     def tarinfo_filter(tarinfo):
         # remove leading directory info