From 211ecc58b5b650ed158f0c36158a85a289ce2640 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Romain=20Tarti=C3=A8re?= <romain@blogreen.org>
Date: Sat, 7 Apr 2018 11:34:07 +0200
Subject: [PATCH] Do sanity checking early

Fail before doing anything when passed parameters are invalid.
---
 scripts/config_version.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/config_version.sh b/scripts/config_version.sh
index 0378952..7ccd2f4 100755
--- a/scripts/config_version.sh
+++ b/scripts/config_version.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+if [ $# -ne 2 -o ! -d "$1" -o ! -d "$1/$2" ]; then
+  echo "usage: $0 <environmentpath> <environment>" >&2
+  exit 1
+fi
+
 ruby=ruby
 script="$1/$2/scripts/config_version.rb"