Make sure the parent process' LC_ALL setting is passed to subprocess when LC_ALL is set to nil in the :environment setting.

2 files changed, 15 insertions, 0 deletions

diff --git a/lib/mixlib/shellout.rb b/lib/mixlib/shellout.rb
index 63744f1..a267162 100644
--- a/lib/mixlib/shellout.rb
+++ b/lib/mixlib/shellout.rb
@@ -290,8 +290,14 @@ module Mixlib
         when 'log_tag'
           self.log_tag = setting
         when 'environment', 'env'
+          # Set the LC_ALL from the parent process if the user wanted
+          # to use the default.
+          if setting && setting.has_key?("LC_ALL") && setting['LC_ALL'].nil?
+            setting['LC_ALL'] = ENV['LC_ALL']
+          end
           # passing :environment => nil means don't set any new ENV vars
           @environment = setting.nil? ? {} : @environment.dup.merge!(setting)
+
         else
           raise InvalidCommandOption, "option '#{option.inspect}' is not a valid option for #{self.class.name}"
         end
diff --git a/spec/mixlib/shellout_spec.rb b/spec/mixlib/shellout_spec.rb
index 131c5e1..bc043bc 100644
--- a/spec/mixlib/shellout_spec.rb
+++ b/spec/mixlib/shellout_spec.rb
@@ -383,6 +383,15 @@ describe Mixlib::ShellOut do
       context 'with LC_ALL set to nil' do
         let(:locale) { nil }
 
+        before do
+          @original_lc_all = ENV['LC_ALL']
+          ENV['LC_ALL'] = "en_US.UTF-8"
+        end
+
+        after do
+          ENV['LC_ALL'] = @original_lc_all
+        end
+
         context 'when running under Unix', :unix_only do
           let(:parent_locale) { ENV['LC_ALL'].to_s.strip }