scaffold.rb in mes-0.2.3

- old
+ new
@@ -1,22 +1,52 @@
 module MiddlemanEmberScaffold
   module Generators
-	class Scaffold < Thor
-	  include Thor::Actions
-	  def self.source_root
-	  	File.expand_path(File.dirname(__FILE__), "../template")
-	  end
+    class Scaffold < Thor
+      include Thor::Actions
+      def self.source_root
+        File.expand_path(File.dirname(__FILE__), "../template")
+      end
 
-	  desc "build scaffold", "Build a scaffold for a Middleman Ember Project"
-	  def scaffold(*args)
-	  	destination_root=args[0]
-	  	src = File.expand_path(File.join(File.dirname(__FILE__), "../template"))
-	  	directory(src, destination_root)
-	  	#puts 'Running bundle install.......'
-	  	#puts %x['cd #{destination_root}; bundle install']
-	  	#puts 'Building scaffold....'
-	  	#puts %x['cd #{destination_root}; middleman build']
-	  end
+      desc "build scaffold", "Build a scaffold for a Middleman Ember Project"
+      def scaffold(*args)
+        destination_root=args[0]
+        src = File.expand_path(File.join(File.dirname(__FILE__), "../template"))
+        directory(src, destination_root)
+        Dir.chdir(destination_root)
+        run_bundle
+        #puts 'Building scaffold....'
+        #puts %x['cd #{destination_root}; middleman build']
+      end
 
-	end
+
+
+      #steal bundle command from rails app generator
+      private
+        def bundle_command(command)
+          say_status :run, "bundle #{command}"
+
+          # We are going to shell out rather than invoking Bundler::CLI.new(command)
+          # because `mes new` loads the Thor gem and on the other hand bundler uses
+          # its own vendored Thor, which could be a different version. Running both
+          # things in the same process is a recipe for a night with paracetamol.
+          #
+          # We use backticks and #print here instead of vanilla #system because it
+          # is easier to silence stdout in the existing test suite this way. The
+          # end-user gets the bundler commands called anyway, so no big deal.
+          #
+          # We unset temporary bundler variables to load proper bundler and Gemfile.
+          #
+          # Thanks to James Tucker for the Gem tricks involved in this call.
+          _bundle_command = Gem.bin_path('bundler', 'bundle')
+
+          require 'bundler'
+          Bundler.with_clean_env do
+            print `"#{Gem.ruby}" "#{_bundle_command}" #{command}`
+          end
+        end
+
+        def run_bundle
+          bundle_command('install')
+        end
+    end
   end
 end