onos-push-update-bundle: echo back what's pushed

Change-Id: Ic4867bd08bbafab5b7751ea9fb04f425ae5c89ee
diff --git a/tools/test/bin/onos-push-update-bundle b/tools/test/bin/onos-push-update-bundle
index 1539467..f8d682a 100755
--- a/tools/test/bin/onos-push-update-bundle
+++ b/tools/test/bin/onos-push-update-bundle
@@ -13,6 +13,8 @@
 
 bundle=$(echo $(basename $jar .jar) | sed 's/-[0-9].*//g')
 
+echo "pushing bundle: $bundle"
+
 nodes=$(env | sort | egrep "OC[0-9]+" | cut -d= -f2)
 for node in $nodes; do
     scp -q $jar $ONOS_USER@$node:.m2/repository/$jar