Test for the correct number of arguments to box add

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## 0.9.3 (unreleased)
 
-
+  - Proper error handling for not enough arguments to `box add`.
 
 ## 0.9.2 (January 20, 2012)
 

lib/vagrant/command/box_add.rb

@@ -18,6 +18,7 @@ module Vagrant
         # Parse the options
         argv = parse_options(opts)
         return if !argv
+        raise Errors::CLIInvalidUsage, :help => opts.help.chomp if argv.length < 2
 
         # If we're force adding, then be sure to destroy any existing box if it
         # exists.

lib/vagrant/errors.rb

@@ -128,6 +128,11 @@ module Vagrant
       error_key(:failed, "vagrant.actions.box.verify")
     end
 
+    class CLIInvalidUsage < VagrantError
+      status_code(69)
+      error_key(:cli_invalid_usage)
+    end
+
     class CLIInvalidOptions < VagrantError
       status_code(1)
       error_key(:cli_invalid_options)

templates/locales/en.yml

@@ -30,6 +30,11 @@ en:
         An invalid option was specified. The help for this command
         is available below.
 
+        %{help}
+      cli_invalid_usage: |-
+        This command was not invoked properly. The help for this command is
+        available below.
+
         %{help}
       config_validation: |-
         There was a problem with the configuration of Vagrant. The error message(s)