`vagrant status`

lib/vagrant/command/status.rb

@@ -0,0 +1,62 @@
+module Vagrant
+  module Command
+    class StatusCommand < Base
+      desc "Shows the status of the current Vagrant environment."
+      argument :name, :type => :string, :optional => true
+      register "status"
+
+      def verify_environment
+        raise NoEnvironmentError.new("No Vagrant environment detected. Run `vagrant init` to set one up.") if !env.root_path
+      end
+
+      def route
+        if env.multivm?
+          return show_mulitvm if !self.name
+          vm = env.vms[self.name.to_sym]
+          raise VMNotFoundError.new("A VM by the name of `#{self.name}` was not found.") if !vm
+        else
+          raise MultiVMEnvironmentRequired.new("A multi-vm environment is required for name specification to a command.") if self.name
+          vm = env.vms.values.first
+        end
+
+        show_single(vm)
+      end
+
+      protected
+
+      def show_multivm
+        puts Util::Translator.t(:status_listing)
+        puts ""
+
+        env.vms.each do |name, vm|
+          state = vm.created? ? vm.vm.state : "not created"
+          puts "#{name.to_s.ljust(30)}#{state}"
+        end
+      end
+
+      def show_single(vm)
+        string_key = nil
+
+        if !vm.created?
+          string_key = :status_not_created
+        else
+          additional_key = nil
+          if vm.vm.running?
+            additional_key = :status_created_running
+          elsif vm.vm.saved?
+            additional_key = :status_created_saved
+          elsif vm.vm.powered_off?
+            additional_key = :status_created_powered_off
+          end
+
+          string_key = [:status_created, {
+            :vm_state => vm.vm.state,
+            :additional_message => additional_key ? Translator.t(additional_key) : ""
+          }]
+        end
+
+        puts Util::Translator.t(*string_key)
+      end
+    end
+  end
+end

lib/vagrant/errors.rb

@@ -7,4 +7,7 @@ module Vagrant
 
   class CLIMissingEnvironment < VagrantError; status_code(1); end
   class BoxNotFound < VagrantError; status_code(2); end
+  class NoEnvironmentError < VagrantError; status_code(3); end
+  class VMNotFoundError < VagrantError; status_code(4); end
+  class MultiVMEnvironmentRequired < VagrantError; status_code(5); end
 end