From ed26745bd1fe808bdc320a3d0819056c1ea0af35 Mon Sep 17 00:00:00 2001
From: Tomas Kopecek <tkopecek@redhat.com>
Date: Oct 31 2017 12:33:11 +0000
Subject: Don't check non-existing file


Related: https://pagure.io/koji/issue/665

---

diff --git a/vm/kojivmd b/vm/kojivmd
index 9df9cbb..bc92f0f 100755
--- a/vm/kojivmd
+++ b/vm/kojivmd
@@ -1083,7 +1083,7 @@ if __name__ == "__main__":
     #start a session and login
     session_opts = koji.grab_session_options(options)
     session = koji.ClientSession(options.server, session_opts)
-    if os.path.isfile(options.cert):
+    if options.cert and os.path.isfile(options.cert):
         try:
             # authenticate using SSL client certificates
             session.ssl_login(options.cert, None,