Fix systemd escaping issue #124 (#125)

* Fix systemd escaping issue #124

* Fix test spec/defines/run_spec.rb issue #124

Author: olivierHa

lib/puppet/parser/functions/docker_run_flags.rb

@@ -60,7 +60,7 @@ module Puppet::Parser::Functions
       ['--link %s',         'links'],
       ['--lxc-conf="%s"',   'lxc_conf'],
       ['--volumes-from %s', 'volumes_from'],
-      ['-e %s',             'env'],
+      ['-e "%s"',           'env'],
       ['--env-file %s',     'env_file'],
       ['-p %s',             'ports'],
       ['-l %s',             'labels'],

spec/defines/run_spec.rb

@@ -320,12 +320,12 @@
 
       context 'when passing serveral environment variables' do
         let(:params) { {'command' => 'command', 'image' => 'base', 'env' => ['FOO=BAR', 'FOO2=BAR2']} }
-        it { should contain_file(initscript).with_content(/-e FOO=BAR/).with_content(/-e FOO2=BAR2/) }
+        it { should contain_file(initscript).with_content(/-e "FOO=BAR"/).with_content(/-e "FOO2=BAR2"/) }
       end
 
       context 'when passing an environment variable' do
         let(:params) { {'command' => 'command', 'image' => 'base', 'env' => 'FOO=BAR'} }
-        it { should contain_file(initscript).with_content(/-e FOO=BAR/) }
+        it { should contain_file(initscript).with_content(/-e "FOO=BAR"/) }
       end
 
       context 'when passing serveral environment files' do