Fix reinstall logic

setup/so-whiptail

@@ -1104,6 +1104,15 @@ whiptail_proxy_auth_pass() {
 	whiptail_check_exitstatus $exitstatus
 }
 
+whiptail_reinstall() {
+	[ -n "$TESTING" ] && return
+
+	whiptail --title "$whiptail_title" --yesno "Setup has detected a previous install. Do you want to continue? Continuing will overwrite the previos install. " 7 44
+	
+	local exitstatus=$?
+	whiptail_check_exitstatus $exitstatus
+}
+
 whiptail_requirements_error() {
 
 	local requirement_needed=$1