commit 4d9b1fe2b9d8442525abd9862d6ae4e57f758ace
Author: Orion Poplawski <orion@nwra.com>
Date:   Mon Apr 21 11:37:53 2014 -0600

    Fix koan's get_insert_script()
    
    See https://bugzilla.redhat.com/show_bug.cgi?id=1047350

diff --git a/koan/app.py b/koan/app.py
index e0a49dd..195eece 100755
--- a/koan/app.py
+++ b/koan/app.py
@@ -1195,7 +1195,7 @@ class Koan:
             find . | cpio -o -H newc | gzip -9 > ../initrd_final
             echo "...done"
         fi
-        """ % initrd
+        """ % (initrd, initrd)
 
     #---------------------------------------------------