add check for at least one kernel found

diff --git a/prep.sh b/prep.sh
index 512b94e..2b0db75 100755 (executable)
--- a/prep.sh
+++ b/prep.sh
@@ -129,10 +129,16 @@ install -d -m 755 $isofs
 for kernel in $bootcd/boot/vmlinuz-* ; do
     if [ -f $kernel ] ; then
        install -D -m 644 $kernel $isofs/kernel
+       echo "* BootCD kernel created from $kernel"
        echo "* kernel created from $kernel" > $isofs/kernel.from
     fi
 done
 
+if [ ! -f $isofs/kernel ] ; then
+    echo "* BootCD prep.sh : FATAL: could not locate kernel - exiting"
+    exit 1
+fi
+
 # Don't need /boot anymore
 rm -rf $bootcd/boot