chef-vault in chef-vault-4.0.10

- old
+ new

@@ -16,11 +16,11 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require "optparse"
+require "optparse" unless defined?(OptionParser)
 
 options_config = {
   chef: {
     short: "k",
     long: "chef-config-file",
@@ -80,10 +80,10 @@
 
 options_config.each do |option, config|
   options[option] = options[option] ? options[option] : config[:default]
 end
 
-require "rubygems"
+require "rubygems" unless defined?(Gem)
 $:.unshift(File.join(File.dirname(__FILE__), "..", "lib"))
 require "chef-vault"
 
 ChefVault::Log.init(STDOUT)
 ChefVault.load_config(options[:chef])