try win32-process gem

lib/middleman/cli.rb

@@ -1,5 +1,4 @@
 require 'thor'
-require 'rbconfig'
 
 module Middleman
   class CLI < Thor
@@ -39,10 +38,6 @@ module Middleman
     def server
       v1_check
       
-      if Config::CONFIG['host_os'].downcase =~ %r{mswin|mingw}
-        ::Middleman.start_server(options)
-        puts "== The Middleman is standing watch on port #{options[:port]}"
-      else
       if options["livereload"]
         livereload_options = {:port => options["livereload-port"]}
       end
@@ -52,7 +47,6 @@ module Middleman
         :environment => options[:environment]
       }, livereload_options)
     end
-    end
 
     desc "build", "Builds the static site for deployment"
     method_option "relative", :type => :boolean, :aliases => "-r", :default => false, :desc => 'Override the config.rb file and force relative urls'

lib/middleman/guard.rb

@@ -1,7 +1,11 @@
 require "guard"
 require "guard/guard"
 require "guard/livereload"
-require "webrick"
+require "rbconfig"
+
+if Config::CONFIG['host_os'].downcase =~ %r{mswin|mingw}
+  require "win32/process"
+end
   
 module Middleman::Guard
   def self.start(options={}, livereload={})

middleman.gemspec

@@ -56,11 +56,13 @@ eos
   
   case Config::CONFIG['host_os'].downcase
   when %r{mswin|mingw}
-  else
-    s.add_runtime_dependency("guard", ["~> 0.5.1"])
-    s.add_runtime_dependency("guard-livereload", ["~> 0.3.0"])
+    # s.add_runtime_dependency "windows-api", "= 0.4.0"
+    # s.add_runtime_dependency "windows-pr", "= 1.1.2"
+    s.add_runtime_dependency("win32-process", ["~> 0.6.5"])
   end
   
+  s.add_runtime_dependency("guard", ["~> 0.5.1"])
+  s.add_runtime_dependency("guard-livereload", ["~> 0.3.0"])
   s.add_development_dependency("coffee-filter", ["~> 0.1.1"])
   s.add_development_dependency("cucumber", ["~> 1.0.2"])
   s.add_development_dependency("rake", ["0.8.7"])