From 2edcd2313501fb7f741c6a900404d188cd13490e Mon Sep 17 00:00:00 2001
From: Philipp Gesang <philipp.gesang@intra2net.com>
Date: Thu, 20 Apr 2017 17:53:49 +0200
Subject: [PATCH] =?utf8?q?initialize=20compression=20globally=20for=20non-=E2=80=9Cconcat=E2=80=9D=20archives?=
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---
 deltatar/tarfile.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/deltatar/tarfile.py b/deltatar/tarfile.py
index a2d21c4..aef4faf 100644
--- a/deltatar/tarfile.py
+++ b/deltatar/tarfile.py
@@ -464,7 +464,9 @@ class _Stream:
                 self.zlib = zlib
                 if mode == "r":
                     self._init_read_gz()
-                self.exception = zlib.error # XXX what for? seems unused
+                    self.exception = zlib.error
+                elif mode == "w" and concat_stream is False:
+                    self._new_gz_block()
                 self.crc = zlib.crc32(b"") & 0xFFFFffff
 
             elif comptype == "bz2":
-- 
1.7.1