@@ -30,9 +30,9 @@ if [ -f /etc/dnf/dnf.conf ] && command -v dnf &> /dev/null; then

 	yum_config=/etc/dnf/dnf.conf

 	alias yum=dnf

 fi

-install_groups=('Core')

 # for names with spaces, use double quotes (") as install_groups=('Core' '"Compute Node"')

-install_packages=('')

+install_groups=()

+install_packages=()

 version=

 while getopts ":y:p:g:t:h" opt; do

     case $opt in

@@ -64,6 +64,11 @@ if [[ -z $name ]]; then

     usage

 fi

+# default to Core group if not specified otherwise

+if [ ${#install_groups[*]} -eq 0 ]; then

+   install_groups=('Core')

+fi

+

 target=$(mktemp -d --tmpdir $(basename $0).XXXXXX)

 set -x