From c9fb988a577aa1bae779a0383f69ced6fcc92f8c Mon Sep 17 00:00:00 2001
From: jbteja <tej969@gmail.com>
Date: Sat, 23 May 2020 06:11:16 +0530
Subject: [PATCH] Tools: Added check for validating input arguments in
 ardupilot-astyle.sh

---
 Tools/CodeStyle/ardupilot-astyle.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Tools/CodeStyle/ardupilot-astyle.sh b/Tools/CodeStyle/ardupilot-astyle.sh
index 61cda6e677..1f1ddbbcb2 100755
--- a/Tools/CodeStyle/ardupilot-astyle.sh
+++ b/Tools/CodeStyle/ardupilot-astyle.sh
@@ -1,4 +1,9 @@
-#!/bin/sh
+#!/usr/bin/env bash
+
+if [ -z "$1" ]; then
+    printf "\nArguments missing, Usage: '$0 <files to style>'\n\n"
+    exit 1
+fi
 
 if [ $(uname) = "Darwin" ]; then
     DIR=$(dirname $(greadlink -f $0))
@@ -7,4 +12,3 @@ else
 fi
 
 astyle --options="${DIR}"/astylerc $*
-