Tidy up motd

script-install-motd

@@ -13,11 +13,12 @@ main() {
 
 		is_root
 
-		cp "$0" /usr/local/bin/
 		script="/usr/local/bin/${0##*/}"
 		service="/usr/lib/systemd/system/motd.service"
 		timer="/usr/lib/systemd/system/motd.timer"
 
+		[[ -f $script ]] || cp "$0" /usr/local/bin/
+
 		install_services
 	fi
 }
@@ -31,8 +32,8 @@ print_motd() {
 	undim='\e[0m'
 
 # shellcheck disable=SC2016
-	echo -e '
- _    _            _                           _           _     
+	echo -e \
+' _    _            _                           _           _     
 | |  | |          | |                         | |         | |    
 | |__| | __ _ _ __| |_ _ __ ___   __ _ _ __   | |     __ _| |__  
 |  __  |/ _` | `__| __| `_ ` _ \ / _` | `_ \  | |    / _` | `_ \