From dea0381d2689a8410752e4cad8a6acde85ab45e4 Mon Sep 17 00:00:00 2001
From: Martin Smith <martin@mbs3.org>
Date: Fri, 8 Jan 2016 11:20:51 -0600
Subject: [PATCH] Warn if no checksum is provided

Emit a warning if someone uses a version of ES for which we don't have a checksum.

Fixes #404.
---
 libraries/provider_install.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/provider_install.rb b/libraries/provider_install.rb
index 3d86ae2dc..5ae3d62d9 100644
--- a/libraries/provider_install.rb
+++ b/libraries/provider_install.rb
@@ -44,6 +44,10 @@ def install_package_wrapper_action
     checksum = determine_download_checksum(new_resource, node)
     package_options = new_resource.package_options
 
+    unless checksum
+      Chef::Log.warn("No checksum was provided for #{download_url}, this may download a new package on every chef run!")
+    end
+
     remote_file_r = remote_file "#{Chef::Config[:file_cache_path]}/#{filename}" do
       source download_url
       checksum checksum