added support for thor installer

copied the rake installer and modified to do thor installer …

lib/sprinkle/installers/thor.rb

@@ -0,0 +1,37 @@
+module Sprinkle
+  module Installers
+    # = Thor Installer
+    #
+    # This installer runs a thor command.
+    # 
+    # == Example Usage
+    #
+    # The following example runs the command "thor spec" on
+    # the remote server.
+    #
+    #   package :spec do
+    #     thor 'spec'
+    #   end
+    # 
+    # Specify a Thorfile with the :thorfile option.
+    #
+    #   package :spec, :thorfile => "/var/setup/Thorfile" do
+    #     thor 'spec'
+    #   end
+
+    class Thor < Installer
+      def initialize(parent, commands, options = {}, &block) #:nodoc:
+        super parent, options, &block
+        @commands = commands
+      end
+
+      protected
+
+        def install_commands #:nodoc:
+          file = @options[:thorfile] ? "-f #{@options[:thorfile]} " : ""
+          "thor #{file}#{@commands}"
+        end
+
+    end
+  end
+end

lib/sprinkle/package.rb

@@ -187,6 +187,10 @@ def rake(name, options = {}, &block)
         @installers << Sprinkle::Installers::Rake.new(self, name, options, &block)
       end    
       
+      def thor(name, options = {}, &block)
+        @installers << Sprinkle::Installers::Thor.new(self, name, options, &block)
+      end  
+     
       def noop(&block)
         @installers << Sprinkle::Installers::Noop.new(self, name, options, &block)
       end

spec/sprinkle/installers/thor_spec.rb

@@ -0,0 +1,29 @@
+require File.expand_path("../../spec_helper", File.dirname(__FILE__))
+
+describe Sprinkle::Installers::Thor do
+
+  before do
+    @package = mock(Sprinkle::Package, :name => 'spec')
+  end
+
+  def create_thor(names, options = {}, &block)
+    Sprinkle::Installers::Thor.new(@package, names, options, &block)
+  end
+
+  describe 'during installation' do
+
+    it 'should invoke the thor executer for all specified tasks' do
+      @installer = create_thor 'spec'
+      @install_commands = @installer.send :install_commands
+      @install_commands.should =~ /thor spec/
+    end
+
+    it 'should invoke the thor executer for all specified tasks' do
+      @installer = create_thor 'spec', :thorfile => '/some/Thorfile'
+      @install_commands = @installer.send :install_commands
+      @install_commands.should == "thor -f /some/Thorfile spec"
+    end
+
+  end
+
+end