From 852505fb699c659a601d1e1d072c0ae8bfc01e1c Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Wed, 5 Jul 2017 01:33:17 +0200
Subject: [PATCH] ItemFormatter: code defensively, always use new dict for
 returned object

---
 src/borg/helpers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/borg/helpers.py b/src/borg/helpers.py
index 3ca9acc21..42d5a52d3 100644
--- a/src/borg/helpers.py
+++ b/src/borg/helpers.py
@@ -1787,9 +1787,10 @@ class ItemFormatter(BaseFormatter):
         self.used_call_keys = set(self.call_keys) & self.format_keys
 
     def get_item_data(self, item):
+        item_data = {}
+        item_data.update(self.item_data)
         mode = stat.filemode(item.mode)
         item_type = mode[0]
-        item_data = self.item_data
 
         source = item.get('source', '')
         extra = ''