`vagrant up`

lib/vagrant/command/helpers.rb

@@ -1,9 +1,15 @@
 module Vagrant
   module Command
     module Helpers
+      def require_environment
+        raise NoEnvironmentError.new("No Vagrant environment detected. Run `vagrant init` to set one up.") if !env.root_path
+      end
+
       # This returns an array of {VM} objects depending on the arguments
       # given to the command.
       def target_vms
+        require_environment
+
         @target_vms ||= begin
           if env.multivm?
             return env.vms if !self.name

lib/vagrant/command/status.rb

@@ -5,11 +5,8 @@ module Vagrant
       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
+        require_environment
         show_multivm if target_vms.length > 1
         show_single(target_vms.first)
       end

lib/vagrant/command/up.rb

@@ -0,0 +1,23 @@
+module Vagrant
+  module Command
+    class UpCommand < Base
+      desc "Creates the Vagrant environment"
+      argument :name, :type => :string, :optional => true
+      class_option :provision, :type => :boolean, :default => true
+      register "up"
+
+      def execute
+        # TODO: Make the options[:provision] actually mean something
+
+        target_vms.each do |vm|
+          if vm.created?
+            vm.env.ui.info "VM already created. Booting if its not already running..."
+            vm.start
+          else
+            vm.up
+          end
+        end
+      end
+    end
+  end
+end

test/vagrant/command/helpers_test.rb

@@ -12,9 +12,26 @@ class CommandHelpersTest < Test::Unit::TestCase
     @command.new(args, {}, { :env => env })
   end
 
+  context "requiring environment" do
+    setup do
+      @env = mock_environment
+    end
+
+    should "raise an exception if no environment" do
+      @env.stubs(:root_path).returns(nil)
+      assert_raises(Vagrant::NoEnvironmentError) { command([], @env).require_environment }
+    end
+
+    should "not raise an exception if there is an environment" do
+      @env.stubs(:root_path).returns(7)
+      assert_nothing_raised { command([], @env).require_environment }
+    end
+  end
+
   context "vms from args" do
     setup do
       @env = mock_environment
+      @env.stubs(:root_path).returns(7)
     end
 
     should "only calculate the result once" do