correct to _usage

usr/bin/archboot-detect-vconsole.sh

@@ -5,7 +5,7 @@
 #  by Tobias Powalowski <tpowa@archlinux.org>
 #
 . /usr/lib/archboot/common.sh
-usage() {
+_usage() {
     echo -e "\e[1m\e[36mArchboot\e[m\e[1m - Detect Big Screen\e[m"
     echo -e "\e[1m----------------\e[m"
     echo "Detect big screen on boot and change to bigger font afterwards."

usr/bin/archboot-secureboot-keys.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # created by Tobias Powalowski <tpowa@archlinux.org>
 . /usr/lib/archboot/common.sh
-usage () {
+_usage () {
     echo -e "\e[1m\e[36mArchboot\e[m\e[1m - Generate Secure Boot keys, MOK files\e[m"
     echo -e "\e[1m-----------------------------------------------\e[m"
     echo "This script generates all needed keys for a Secure Boot setup."
@@ -12,18 +12,18 @@ usage () {
     echo -e "Usage: \e[1m${_BASENAME} -name=<your name> <directory>\e[m"
     exit 0
 }
-[[ -z "${1}" || -z "${2}" ]] && usage
+[[ -z "${1}" || -z "${2}" ]] && _usage
 _DIR="${2}"
 while [ $# -gt 0 ]; do
     case ${1} in
         -name=*|--name=*) NAME="$(echo "${1}" | rg -o '=(.*)' -r '$1')" ;;
-		-h|--h|?) usage ;; 
+        -h|--h|?) _usage ;;
         esac
     shift
 done
 if [[ -z "${NAME}" ]]; then
     echo "ERROR: no name specified"
-    usage
+    _usage
     #shellcheck disable=2317
     exit 1
 fi