Enable ability to supress newlines in ERB for templates using -%>

lib/vagrant/util/template_renderer.rb

@@ -68,7 +68,7 @@ module Vagrant
       #
       # @return [String]
       def render_string
-        ERB.new(template).result(binding)
+        ERB.new(template, nil, "%<>-").result(binding)
       end
 
       # Returns the full path to the template, taking into accoun the gem directory

templates/Vagrantfile.erb

@@ -6,8 +6,9 @@ Vagrant::Config.run do |config|
   # Every Vagrant virtual environment requires a box to build off of.
   config.vm.box = "<%= default_box %>"
 
-  <% if !default_box_url.nil? %>
-  # The url from where the 'config.vm.box' box will be fetched
+  <% if !default_box_url.nil? -%>
+  # The url from where the 'config.vm.box' box will be fetched if it
+  # doesn't already exist on the user's system
   config.vm.box_url = "<%= default_box_url %>"
-  <% end  %>
+  <% end -%>
 end

templates/strings.yml

@@ -191,7 +191,7 @@
   Unknown provisioner type: <%= provisioner %>
 :rootfile_already_exists: |-
   It looks like this directory is already setup for vagrant! (A <%= Vagrant::Environment::ROOTFILE_NAME %>
-  already exists.)
+   already exists.)
 :rootfile_not_found: |-
   A `<%= Vagrant::Environment::ROOTFILE_NAME %>` was not found! This file is required for vagrant to run
   since it describes the expected environment that vagrant is supposed

test/vagrant/util/template_renderer_test.rb

@@ -60,7 +60,7 @@ class TemplateRendererUtilTest < Test::Unit::TestCase
     end
 
     should "simply render the template as a string" do
-      ERB.expects(:new).with(@r.template).returns(@erb)
+      ERB.expects(:new).with(@r.template, nil, "%<>-").returns(@erb)
       assert_equal @result, @r.render_string
     end
   end