From 047746eb765d212cbf05afac16f4bd73257d8186 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.ruehsen@gmx.de>
Date: Wed, 10 Jan 2018 15:45:17 +0100
Subject: [PATCH] * src/http.c: Exclude *.gz and *.tgz from decompression

---
 src/http.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/http.c b/src/http.c
index e4ff0107..2932da2e 100644
--- a/src/http.c
+++ b/src/http.c
@@ -3713,6 +3713,8 @@ gethttp (const struct url *u, struct url *original_url, struct http_stat *hs,
       else if (hs->local_encoding == ENC_GZIP
                && opt.compression != compression_none)
         {
+          const char *p;
+
           /* Make sure the Content-Type is not gzip before decompressing */
           if (type)
             {
@@ -3739,6 +3741,14 @@ gethttp (const struct url *u, struct url *original_url, struct http_stat *hs,
                hs->remote_encoding = ENC_GZIP;
                hs->local_encoding = ENC_NONE;
             }
+
+          /* don't uncompress if a file ends with '.gz' or '.tgz' */
+          if (hs->remote_encoding == ENC_GZIP
+              && (p = strrchr(u->file, '.'))
+              && (c_strcasecmp(p, ".gz") || c_strcasecmp(p, ".tgz")))
+            {
+               hs->remote_encoding = ENC_NONE;
+            }
         }
 #endif
     }