7583402 Output meaningful message if tag config file does not exist

Authored and Committed by cqi 5 years ago
    Output meaningful message if tag config file does not exist
    
    Instead of outputing a traceback to user, this patch prints meaningful message
    to user.
    
    Signed-off-by: Chenxiong Qi <cqi@redhat.com>
    
        
file added
+110
file modified
+12 -1