From 29b1a3d97d3b585dcd783580618205dd12f9a50f Mon Sep 17 00:00:00 2001
From: kevans <kevans@FreeBSD.org>
Date: Wed, 14 Feb 2018 20:18:23 +0000
Subject: [PATCH] stand/lua: Exit sub-menus on backspace

---
 stand/lua/menu.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/stand/lua/menu.lua b/stand/lua/menu.lua
index 73d14958fcee..73ad91f435ae 100644
--- a/stand/lua/menu.lua
+++ b/stand/lua/menu.lua
@@ -270,8 +270,14 @@ function menu.run(m)
 
 	cont = true;
 	while cont do
-		local key = string.char(io.getchar());
+		local key = io.getchar();
 
+		-- Exit on backspace
+		if (key == 127) and (m ~= menu.welcome) then
+			break
+		end
+
+		key = string.char(key)
 		-- check to see if key is an alias
 		local sel_entry = nil;
 		for k, v in pairs(alias_table) do