Printing help due to invalid options should have error exit status

lib/vagrant/command/base.rb

@@ -48,8 +48,7 @@ module Vagrant
         opts.parse!(argv)
         return argv
       rescue OptionParser::InvalidOption
-        puts opts.help
-        return nil
+        raise Errors::CLIInvalidOptions, :help => opts.help.chomp
       end
 
       # Yields a VM for each target VM for the command.

lib/vagrant/errors.rb

@@ -128,9 +128,9 @@ module Vagrant
       error_key(:failed, "vagrant.actions.box.verify")
     end
 
-    class CLIMissingEnvironment < VagrantError
+    class CLIInvalidOptions < VagrantError
       status_code(1)
-      error_key(:cli_missing_env)
+      error_key(:cli_invalid_options)
     end
 
     class ConfigValidationFailed < VagrantError

templates/locales/en.yml

@@ -26,6 +26,11 @@ en:
       puppetd_not_detected: |-
         The `puppetd` binary was not found on the VM is required for Puppet Server provisioning.
         Please verify that Puppet is installed and that the binary is available on the PATH.
+      cli_invalid_options: |-
+        An invalid option was specified. The help for this command
+        is available below.
+
+        %{help}
       config_validation: |-
         There was a problem with the configuration of Vagrant. The error message(s)
         are printed below: