while true; do
    rematch=${BASH_REMATCH[1]}
    add_KUBECONFIG_if_exists "$rematch"
    remainder="${BASH_REMATCH[2]}"
    if [[ ! "$remainder" =~ ([^:]*):(.*) ]]; then
      if [[ -n "$remainder" ]]; then
        add_KUBECONFIG_if_exists "$remainder"
        break
      fi
    fi
  done
else
  add_KUBECONFIG_if_exists "$1"
fi
}

KUBECONFIG=${KUBECONFIG:="$HOME/.kube/config"}