From 562ade918861910aec361a1f38bda17af181ee08 Mon Sep 17 00:00:00 2001
From: Daniel Juarez <daniel.juarez.gonzalez@cern.ch>
Date: Feb 22 2022 11:02:44 +0000
Subject: Check ccache size before trying to use it


---

diff --git a/builder/kojid b/builder/kojid
index c7fdef0..522b82f 100755
--- a/builder/kojid
+++ b/builder/kojid
@@ -6617,6 +6617,10 @@ if __name__ == "__main__":
         if krb_principal is None:
             krb_principal = options.host_principal_format % socket.getfqdn()
         try:
+            # Check ccache is not empty or authentication will fail
+            if os.stat(options.ccache).st_size == 0:
+                os.remove(options.ccache)
+
             session.gssapi_login(principal=krb_principal,
                                  keytab=options.keytab,
                                  ccache=options.ccache)