From: Alexander Barton <alex@barton.de>
Date: Sat, 20 Dec 2014 14:57:00 +0000 (+0100)
Subject: axify: Add usage information, better parse command line
X-Git-Url: https://arthur.barton.de/gitweb/?p=ax-make.git;a=commitdiff_plain;h=c9bf0751627790137e25ff153d8739d2782244a5

axify: Add usage information, better parse command line
---

diff --git a/scripts/axify b/scripts/axify
index 9f82f16..56dd9d7 100755
--- a/scripts/axify
+++ b/scripts/axify
@@ -11,6 +11,28 @@
 
 NAME=`basename "$0"`
 
+Usage() {
+	echo "Usage: $NAME [<lib-dir>]"
+	echo
+	echo "  <lib-dir>    Library directory. Default: current working directory."
+	echo
+	exit 2
+}
+
+while true; do
+	case "$1" in
+		"-"*)
+			Usage
+			;;
+		*)
+			break
+			;;
+	esac
+	shift
+done
+
+[ $# -gt 1 ] && Usage
+
 [ -n "$1" ] && LIB_D="$1" || LIB_D="."
 
 if [ -r "/usr/local/share/ax-make/Makefile.ax" ]; then