lib/rake/gempackagetask.rb
#!/usr/bin/env ruby # Define a package task library to aid in the definition of GEM # packages. require 'rubygems' require 'rake' require 'rake/packagetask' require 'rubygems/user_interaction' require 'rubygems/builder' begin Gem.manage_gems rescue NoMethodError => ex # Using rubygems prior to 0.6.1 end module Rake # Create a package based upon a Gem spec. Gem packages, as well as # zip files and tar/gzipped packages can be produced by this task. # # In addition to the Rake targets generated by PackageTask, a # GemPackageTask will also generate the following tasks: # # [<b>"<em>package_dir</em>/<em>name</em>-<em>version</em>.gem"</b>] # Create a Ruby GEM package with the given name and version. # # Example using a Ruby GEM spec: # # require 'rubygems' # # spec = Gem::Specification.new do |s| # s.platform = Gem::Platform::RUBY # s.summary = "Ruby based make-like utility." # s.name = 'rake' # s.version = PKG_VERSION # s.requirements << 'none' # s.require_path = 'lib' # s.autorequire = 'rake' # s.files = PKG_FILES # s.description = <<EOF # Rake is a Make-like program implemented in Ruby. Tasks # and dependencies are specified in standard Ruby syntax. # EOF # end # # Rake::GemPackageTask.new(spec) do |pkg| # pkg.need_zip = true # pkg.need_tar = true # end # class GemPackageTask < PackageTask # Ruby GEM spec containing the metadata for this package. The # name, version and package_files are automatically determined # from the GEM spec and don't need to be explicitly provided. attr_accessor :gem_spec # Create a GEM Package task library. Automatically define the gem # if a block is given. If no block is supplied, then +define+ # needs to be called to define the task. def initialize(gem_spec) init(gem_spec) yield self if block_given? define if block_given? end # Initialization tasks without the "yield self" or define # operations. def init(gem) super(gem.name, gem.version) @gem_spec = gem @package_files += gem_spec.files if gem_spec.files end # Create the Rake tasks and actions specified by this # GemPackageTask. (+define+ is automatically called if a block is # given to +new+). def define super task :package => [:gem] desc "Build the gem file #{gem_file}" task :gem => ["#{package_dir}/#{gem_file}"] file "#{package_dir}/#{gem_file}" => [package_dir] + @gem_spec.files do when_writing("Creating GEM") { Gem::Builder.new(gem_spec).build verbose(true) { mv gem_file, "#{package_dir}/#{gem_file}" } } end end def gem_file if @gem_spec.platform == Gem::Platform::RUBY "#{package_name}.gem" else "#{package_name}-#{@gem_spec.platform}.gem" end end end end