+trap 'cleanup; echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+script_dir=$(dirname $(readlink -f "$BASH_SOURCE"))
+
+e() { echo "$*"; "$@"; }
+
+
+usage() {
+ cat <<EOF
+# Usage: ${0##*/} [OPTIONS]
+Setup fai or arch pxe (depending on $0 name)
+then start a virtual machine to test the config
+
+Note, sometimes shutting down the existing demohost vm
+fails. Just run again if that happens.
+
+-r Do not reboot.
+-n Create new qcow2(s) for vm
+-h|--help Print help and exit.
+
+Note: Uses GNU getopt options parsing style
+EOF
+ exit $1
+}
+
+
+# not sure why I wanted to have this option before. oh well.
+redeploy=true
+
+reboot=true
+temp=$(getopt -l opt o "$@") || usage 1
+eval set -- "$temp"
+while true; do
+ case $1 in
+ -n) new_disk=true; shift ;;
+ -r) reboot=false; shift ;;
+ -h|--help) usage ;;
+ --) shift; break ;;
+ *) echo "$0: Internal error!" ; exit 1 ;;
+ esac
+done
+