From 16502ec50e23a1c9284b1eaef8ba86d8fd670de2 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 13 Jan 2008 18:26:13 +0000
Subject: Add and use showhelp function.

---
 localcowbuilder-create | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'localcowbuilder-create')

diff --git a/localcowbuilder-create b/localcowbuilder-create
index 90f9d89..896447f 100755
--- a/localcowbuilder-create
+++ b/localcowbuilder-create
@@ -1,11 +1,21 @@
 #!/bin/sh
 
+set -e
+
+PRG=$(basename "$0")
+
+function showhelp() {
+	cat <<EOF
+Usage:   $PRG POOL [ DISTRIBUTION [ OTHERMIRROR] ]
+
+Examples:
+    $PRG sarge
+    $PRG sarge+hacks sarge 'deb http://example.com/ sarge hacks'
+EOF
+}
+
 if [ $# -eq 0 ]; then
-	echo "Usage:   $(basename $0) POOL [ DISTRIBUTION [ OTHERMIRROR] ]"
-	echo ""
-	echo "Examples:"
-	echo "    $(basename $0) sarge"
-	echo "    $(basename $0) sarge+hacks sarge 'deb http://example.com/ sarge hacks'"
+	showhelp
 	exit 1
 fi
 
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