From b3687f2b251fec9fcb06fb0a0fccfe213315edbb Mon Sep 17 00:00:00 2001
From: Mike McLean <mikem@redhat.com>
Date: May 25 2020 07:14:51 +0000
Subject: don't decode signature headers


Fixes https://pagure.io/koji/issue/2221

some headers, like sigmd5, are inherently binary

---

diff --git a/koji/__init__.py b/koji/__init__.py
index 27536b2..7f2df8b 100644
--- a/koji/__init__.py
+++ b/koji/__init__.py
@@ -1012,6 +1012,11 @@ def get_header_field(hdr, name, src_arch=False):
             # no such header
             pass
 
+    # some string results are binary and should not be decoded
+    if name.startswith('SIG'):
+        return result
+
+    # otherwise we decode any strings
     return _decode_item(result)