From 0a7ca24c26d57d532df614bdfe78b8b5c228e90d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 22 Mar 2017 11:53:33 +0100
Subject: Fix xz decompression

Fixes #1285.
---
 src/libutil/compression.cc | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc
index f913d0f5b..b0b1d709f 100644
--- a/src/libutil/compression.cc
+++ b/src/libutil/compression.cc
@@ -48,10 +48,7 @@ static ref<std::string> decompressXZ(const std::string & in)
             return res;
 
         if (ret != LZMA_OK)
-            throw CompressionError("error while decompressing xz file");
-
-        if (strm.avail_in == 0)
-            throw CompressionError("xz data ends prematurely");
+            throw CompressionError("error %d while decompressing xz file", ret);
     }
 }
 
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