Rename functions to script-functions for easier deploy

script-functions

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Common functions for the lab scripts
+# Copyright 2021 Bryan C. Roessler
+
+# Don't run this script directly
+[[ "${BASH_SOURCE[0]}" == "${0}" ]] && exit 0
+
+prompt() { read -pr "Enter $1: " "$1"; }
+
+ask_ok() {
+    declare response
+    (( YES_SWITCH )) && return 0
+    read -r -p "$* [y/N]: " response
+    [[ ${response,,} =~ ^(yes|y)$ ]]
+}
+
+is_root() {
+    user=$(whoami)
+    [[ $user != "root" ]] && echo "Script must be run with sudo" && exit 1
+}