require 'rubygems/tasks/task' module Gem class Tasks # # The `console` task. # class Console < Task # The default Interactive Ruby Console DEFAULT_CONSOLE = 'irb' # The default command to run DEFAULT_COMMAND = (ENV['RUBYCONSOLE'] || DEFAULT_CONSOLE) # The Ruby Console command attr_accessor :command # Additional options for the Ruby Console attr_accessor :options # # Initializes the `console` task. # # @param [Hash] options # Additional options. # # @option options [String] :command (DEFAULT_COMMAND) # The Ruby Console command to run. # # @option options [Array] :options # Additional options for the Ruby Console. # def initialize(options={}) super() @command = options.fetch(:command,DEFAULT_COMMAND) @options = Array(options[:options]) yield self if block_given? define end # # Defines the `console` task. # def define @project.gemspecs.each_key do |name| namespace :console do task(name) { console(name) } end end desc "Spawns an Interactive Ruby Console" task :console => "console:#{@project.primary_gemspec}" end # # Builds the complete arguments for the console command. # # @param [Symbol, String] name # The name of the gemspec to load. # # @return [Array] # The arguments for the console command. # # @api semipublic # def console(name=nil) gemspec = @project.gemspec(name) require_paths = gemspec.require_paths require_file = gemspec.name.gsub('-',File::SEPARATOR) arguments = [@command] # add -I options for lib/ or ext/ directories arguments.push(*require_paths.map { |dir| "-I#{dir}" }) # add a -rrubygems to explicitly load rubygems on Ruby 1.8 arguments.push('-rrubygems') if RUBY_VERSION < '1.9' # add an -r option to require the library arguments.push('-r' + require_file) # push on additional options arguments.push(*@options) if @project.bundler? # run under `bundle exec` arguments.unshift('bundle', 'exec') end return run(*arguments) end end end end