Enable touch-id authentication for sudo privileges on mac OS

enable-touchbar-sudo.sh

#!/usr/bin/env bash
# From: https://it.digitaino.com/use-touchid-to-authenticate-sudo-on-macos/

# Check if it's already done
if grep 'auth[[:space:]]*sufficient[[:space:]]*pam_tid.so' /etc/pam.d/sudo; then
    echo "Already done"
else
    # One-liner to do it
    sudo sed -i.backup 's/\(auth[[:space:]]*sufficient[[:space:]]*pam_smartcard.so\)/\1\nauth sufficient pam_tid.so/' /etc/pam.d/sudo
fi