Root Password is blank, so set it maybe?

isroot.sh

#!/bin/bash
#
# @description    Attempt at checking for and mitigating #isroot
#
##

# Get macOS version
OS_Version=$(sudo system_profiler SPSoftwareDataType | grep "System Version" | cut -d : -f 2 | cut -d " " -f 3 | sed "s:.[[:digit:]]*.$::g")

is_root_enabled () {
    if sudo dscl . read /Users/root | grep -q AuthenticationAuthority; then
        echo "Root is Enabled, checking if password is set.";
        password_changed
    else
        echo "Disabled";
        exit
    fi
}

has_password () {
    echo "Checking if root password was has been set."
    if sudo dscl . read /Users/root | awk '/passwordLastSetTime/{getline; print}'; then
        echo "Root password has been set.";
        exit
    else
        echo "Root password is not set. Running 'sudo passwd -u root'";
        sudo passwd -u root
    fi
}

main () {
    if [[ ${OS_Version} == "macOS 10.13" ]]; then
       echo "Operating System is a match... checking."
       is_root_enabled
    else
       echo "Operating System is NOT one we check for"
    fi
}