From 8e51ddc544fef9bd89e27ac56d48e09c625d6303 Mon Sep 17 00:00:00 2001
From: Ilya Kreymer <ikreymer@gmail.com>
Date: Thu, 31 Mar 2016 12:40:19 -0700
Subject: [PATCH] archiveiterator: don't reuse entries when post-append, as
 they may be cached for merge -- can break if records do not alternate
 request/response fixes #175

---
 pywb/warc/archiveiterator.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pywb/warc/archiveiterator.py b/pywb/warc/archiveiterator.py
index bc23e527..97bfc1a6 100644
--- a/pywb/warc/archiveiterator.py
+++ b/pywb/warc/archiveiterator.py
@@ -309,7 +309,10 @@ class DefaultRecordIter(object):
             else:
                 entry = ArchiveIndexEntry()
 
-            self.entry_cache[rec_type] = entry
+            # don't reuse when using append post
+            # entry may be cached
+            if not self.options.get('append_post'):
+                self.entry_cache[rec_type] = entry
 
         return entry