Add the "Basic" UI for non-colored messages

bin/vagrant

@@ -11,7 +11,7 @@ begin
   # Disable color if the proper argument was passed
   ui = nil
   if !$stdout.tty? || ARGV.include?("--no-color")
-    ui = Vagrant::UI::Colored.new(env)
+    ui = Vagrant::UI::Basic.new(env)
   else
     ui = Vagrant::UI::Colored.new(env)
   end

lib/vagrant/ui.rb

@@ -27,6 +27,63 @@ module Vagrant
       end
     end
 
+    # This is a UI implementation that outputs the text as is. It
+    # doesn't add any color.
+    class Basic < Interface
+      # Use some light meta-programming to create the various methods to
+      # output text to the UI. These all delegate the real functionality
+      # to `say`.
+      [:info, :warn, :error, :success].each do |method|
+        class_eval <<-CODE
+          def #{method}(message, *args)
+            super(message)
+            say(#{method.inspect}, message, *args)
+          end
+        CODE
+      end
+
+      # This is used to output progress reports to the UI.
+      # Send this method progress/total and it will output it
+      # to the UI. Send `clear_line` to clear the line to show
+      # a continuous progress meter.
+      def report_progress(progress, total, show_parts=true)
+        percent = (progress.to_f / total.to_f) * 100
+        line    = "Progress: #{percent.to_i}%"
+        line   << " (#{progress} / #{total})" if show_parts
+
+        info(line, :new_line => false)
+      end
+
+      def clear_line
+        reset = "\r"
+        reset += "\e[0K" unless Util::Platform.windows?
+        reset
+
+        info(reset, :new_line => false)
+      end
+
+      # This method handles actually outputting a message of a given type
+      # to the console.
+      def say(type, message, opts=nil)
+        defaults = { :new_line => true, :prefix => true }
+        opts     = defaults.merge(opts || {})
+
+        # Determine whether we're expecting to output our
+        # own new line or not.
+        printer = opts[:new_line] ? :puts : :print
+
+        # Determine the proper IO channel to send this message
+        # to based on the type of the message
+        channel = type == :error ? $stderr : $stdout
+
+        # Format the message
+        message = "[#{env.resource}] #{message}" if opts[:prefix]
+
+        # Output!
+        channel.send(printer, message)
+      end
+    end
+
     # This is a UI implementation that outputs color for various types
     # of messages. This should only be used with a TTY that supports color,
     # but is up to the user of the class to verify this is the case.