From 7d515b5db8e98a54ff9c8c5211383f9f2c33b2db Mon Sep 17 00:00:00 2001
From: Ian Wienand <iwienand@redhat.com>
Date: Mon, 9 Nov 2015 15:04:32 +1100
Subject: [PATCH] Add check for get_packages argument

Add a quick check so we don't reintroduce bad arguments as in
Ie1b8d09369281059d21da61b2725a457f708ae9e

Change-Id: Ibebc71791f2743eef64d6f7c2596d54a73ea92aa
---
 functions-common | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/functions-common b/functions-common
index 497bed26e6..e252139e78 100644
--- a/functions-common
+++ b/functions-common
@@ -1075,6 +1075,10 @@ function get_packages {
     local file_to_parse=""
     local service=""
 
+    if [ $# -ne 1 ]; then
+        die $LINENO "get_packages takes a single, comma-separated argument"
+    fi
+
     if [[ -z "$package_dir" ]]; then
         echo "No package directory supplied"
         return 1