Rakefile to generate nuget packages passing the name of the package, version and folder to get the assemblies from

Rakefile.rb

require 'rubygems'    
require 'rake/clean'
require 'albacore'

include FileUtils

desc 'Publish nuget package'
task :default => ["deploy:publish"]

namespace :deploy do

	nuget_lib = "nuget/lib"

	desc "Publish nuspec package"
	task :publish, [:package, :version, :path] do |t, args|
		Rake::Task["util:clean_folder"].invoke("nuget")
		Dir.mkdir(nuget_lib)
		puts "Using path #{args.path}"
		FileList["#{args.path}/*.dll"].each { |f| cp f, nuget_lib }
		Rake::Task["deploy:spec"].invoke(args.package, args.version)
		Rake::Task["deploy:package"].invoke(args.package, args.version)
                # Here you could use FTP or any other way of publishing your package
		cp "nuget/#{args.package}.#{args.version}.nupkg", "PUT HERE THE NUGET FOLDER"
	end 

	nugetpack :package, [:package_id, :version] do |t, args|
		t.nuspec = "nuget/#{args.package_id}.#{args.version}.nuspec"
		t.output = "nuget"
	end

	nuspec :spec, [:package_id, :version]  do |t, args|
	   t.id = args.package_id
	   t.version = args.version
	   t.authors = "Price Developer"
	   t.description = "#{args.package_id} library"
	   t.summary = "#{args.package_id} library"
	   t.language = "en-US"
	   t.working_directory = "nuget"
	   t.output_file = "#{args.package_id}.#{args.version}.nuspec"
	end
end

namespace :util do
	task :clean_folder, :folder do |t, args|
		rm_rf(args.folder)
		Dir.mkdir(args.folder) unless File.directory? args.folder
	end	
end