bugfix: if param :required is set to false and param :in is set the option is required

Signed-off-by: Yuri Zubov <y.zubov@sumatosoft.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/mixlib/cli.rb b/lib/mixlib/cli.rb
index ab34b56..e097649 100644
--- a/lib/mixlib/cli.rb
+++ b/lib/mixlib/cli.rb
@@ -241,7 +241,7 @@ module Mixlib
           unless opt_value[:in].kind_of?(Array)
             raise(ArgumentError, "Options config key :in must receive an Array")
           end
-          if !opt_value[:in].include?(config[opt_key])
+          if config[opt_key] && !opt_value[:in].include?(config[opt_key])
             reqarg = opt_value[:short] || opt_value[:long]
             puts "#{reqarg}: #{config[opt_key]} is not included in the list ['#{opt_value[:in].join("', '")}'] "
             puts @opt_parser