Added nuget package generation to build

RakeFile

@@ -1,6 +1,7 @@
 require 'fileutils'
 gem 'albacore', '=0.2.4'
 require 'albacore'
+require 'tools/albacore/nuspec_patch'
 
 def get_version
   ENV['BUILD_NUMBER'] || '1.2.0.0'
@@ -159,7 +160,32 @@ namespace :package do
     zip.output_path = 'dist'
   end
 
-  task :all => [:source, :binaries, :docs]
+  nuspec do |nu|
+    nu.id = 'FluentNHibernate'
+    nu.version = get_version()
+    nu.authors = 'James Gregory and contributors'
+    nu.description = 'Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.'
+    nu.title = 'Fluent NHibernate'
+    nu.language = 'en-US'
+    nu.licenseUrl = 'http://github.com/jagregory/fluent-nhibernate/raw/master/LICENSE.txt'
+    nu.projectUrl = 'http://fluentnhibernate.org'
+    nu.dependency 'NHibernate', '3.1.0.4000'
+    nu.working_directory = 'build'
+    nu.output_file = 'fluentnhibernate.nuspec'
+    nu.file 'FluentNHibernate.dll'
+    nu.tags = 'orm dal nhibernate conventions'
+  end
+
+  nugetpack do |nu|
+    nu.command = 'tools/nuget/NuGet.exe'
+    nu.nuspec = 'build/fluentnhibernate.nuspec'
+    nu.base_folder = 'build'
+    nu.output = 'dist'
+  end
+
+  task :nuget => [:nuspec, :nugetpack]
+
+  task :all => [:source, :binaries, :docs, :nuget]
 end
 
 task :sln do

tools/albacore/nuspec_patch.rb

@@ -0,0 +1,109 @@
+require 'albacore/albacoretask'
+require 'rexml/document'
+
+class NuspecFile
+  def initialize(src, target) 
+    @src = src
+    @target = target 
+  end
+
+  def render(xml) 
+    depend = xml.add_element 'file', { 'src' => @src }
+
+    depend.add_attribute( 'target', @target ) unless @target.nil?
+  end
+end
+
+class NuspecDependency
+
+  attr_accessor :id, :version
+
+  def initialize(id, version)
+    @id = id
+    @version = version
+  end
+
+  def render( xml )
+    depend = xml.add_element 'dependency', {'id' => @id, 'version' => @version}
+  end
+end
+
+class Nuspec
+  include Albacore::Task
+
+  attr_accessor :id, :version, :title, :authors, :description, :language, :licenseUrl, :projectUrl, :output_file,
+                :owners, :summary, :iconUrl, :requireLicenseAcceptance, :tags, :working_directory
+
+  def initialize()
+  @dependencies = Array.new
+  @files = Array.new
+    super()
+  end
+
+  def dependency(id, version)
+    @dependencies.push NuspecDependency.new(id, version)
+  end
+
+  def file(src, target=nil)
+    @files.push NuspecFile.new(src, target)
+  end
+
+  def execute
+    check_required_field @output_file, "output_file"
+    check_required_field @id, "id" 
+    check_required_field @version, "version" 
+    check_required_field @authors, "authors" 
+    check_required_field @description, "description" 
+
+    if(! @working_directory.nil?)
+      @working_output_file = File.join(@working_directory, @output_file)
+    else
+      @working_output_file = @output_file
+    end
+
+    builder = REXML::Document.new
+    build(builder)
+    output=""
+    builder.write(output)
+
+    File.open(@working_output_file, 'w') {|f| f.write(output) }
+  end
+
+  def build(document)
+    document << REXML::XMLDecl.new
+
+    package = document.add_element('package')
+    package.add_attribute("xmlns", "http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd")
+
+    metadata = package.add_element('metadata')
+
+    metadata.add_element('id').add_text(@id)
+    metadata.add_element('version').add_text(@version)
+    metadata.add_element('title').add_text(@title)
+    metadata.add_element('authors').add_text(@authors)
+    metadata.add_element('description').add_text(@description)
+    metadata.add_element('language').add_text(@language) if !@language.nil?
+    metadata.add_element('licenseUrl').add_text(@licenseUrl) if !@licenseUrl.nil?
+    metadata.add_element('projectUrl').add_text(@projectUrl) if !@projectUrl.nil?
+    metadata.add_element('owners').add_text(@owners) if !@owners.nil?
+    metadata.add_element('summary').add_text(@summary) if !@summary.nil?
+    metadata.add_element('iconUrl').add_text(@iconUrl) if !@iconUrl.nil?
+    metadata.add_element('requireLicenseAcceptance').add_text(@requireLicenseAcceptance) if !@requireLicenseAcceptance.nil?
+    metadata.add_element('tags').add_text(@tags) if !@tags.nil?
+
+    if @dependencies.length > 0
+      depend = metadata.add_element('dependencies')
+      @dependencies.each {|x| x.render(depend)}
+    end
+
+    if @files.length > 0
+      files = package.add_element('files')
+      @files.each {|x| x.render(files)}
+    end
+  end
+
+  def check_required_field(field, fieldname)
+    return true if !field.nil?
+    raise "Nuget: required field '#{fieldname}' is not defined"
+  end
+end