@@ -13,9 +13,9 @@ usage() {

 $(basename $0) [OPTIONS] <name>

 OPTIONS:

   -p "<packages>"  The list of packages to install in the container.

-                   The default is blank.

+                   The default is blank. Can use multiple times.

   -g "<groups>"    The groups of packages to install in the container.

-                   The default is "Core".

+                   The default is "Core". Can use multiple times.

   -y <yumconf>     The path to the yum config to install packages from. The

                    default is /etc/yum.conf for Centos/RHEL and /etc/dnf/dnf.conf for Fedora

   -t <tag>         Specify Tag information.

@@ -30,7 +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_groups=()

+install_packages=()

 version=

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

     case $opt in

@@ -41,10 +43,10 @@ while getopts ":y:p:g:t:h" opt; do

             usage

             ;;

         p)

-            install_packages="$OPTARG"

+            install_packages+=("\"$OPTARG\"")

             ;;

         g)

-            install_groups="$OPTARG"

+            install_groups+=("\"$OPTARG\"")

             ;;

         t)

             version="$OPTARG"

@@ -62,6 +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

@@ -87,13 +94,13 @@ fi

 if [[ -n "$install_groups" ]];

 then

     yum -c "$yum_config" --installroot="$target" --releasever=/ --setopt=tsflags=nodocs \

-        --setopt=group_package_types=mandatory -y groupinstall "$install_groups"

+        --setopt=group_package_types=mandatory -y groupinstall "${install_groups[*]}"

 fi

 if [[ -n "$install_packages" ]];

 then

     yum -c "$yum_config" --installroot="$target" --releasever=/ --setopt=tsflags=nodocs \

-        --setopt=group_package_types=mandatory -y install "$install_packages"

+        --setopt=group_package_types=mandatory -y install "${install_packages[*]}"

 fi

 yum -c "$yum_config" --installroot="$target" -y clean all