From e3097bdcc35588f4a7dcc99e399b0b492d9e12f4 Mon Sep 17 00:00:00 2001
From: Richard Maw <richard.maw@codethink.co.uk>
Date: Fri, 22 Aug 2014 13:16:27 +0000
Subject: mason-generator: Display help for wrong number of args

---
 mason/mason-generator.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mason/mason-generator.sh b/mason/mason-generator.sh
index 911d879f..1a2eccac 100755
--- a/mason/mason-generator.sh
+++ b/mason/mason-generator.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-if [ "$1" == "-h" -o "$1" == "--help" ]; then
+if [ "$#" -lt 5 -o "$#" -gt 6 -o "$1" == "-h" -o "$1" == "--help" ]; then
   cat <<EOF
 Usage:
     `basename $0` HOST_PREFIX UPSTREAM_TROVE_HOSTNAME VM_USER VM_HOST VM_PATH [HOST_POSTFIX]
-- 
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