if [ "${ID,,}" == "ubuntu" ] && [ "$VERSION_ID" == "16.04" ]; then
libvirt_group+="d"
fi
- if ! groups | grep " $libvirt_group "; then
+ if ! groups | grep "$libvirt_group"; then
echo "ERROR : $(id -nu) user doesn't belong to $libvirt_group group."
exit 1
fi