require "rbconfig" class Bundler::Thor module Base class << self attr_writer :shell # Returns the shell used in all Bundler::Thor classes. If you are in a Unix platform # it will use a colored log, otherwise it will use a basic one without color. # def shell @shell ||= if ENV["THOR_SHELL"] && !ENV["THOR_SHELL"].empty? Bundler::Thor::Shell.const_get(ENV["THOR_SHELL"]) elsif RbConfig::CONFIG["host_os"] =~ /mswin|mingw/ && !ENV["ANSICON"] Bundler::Thor::Shell::Basic else Bundler::Thor::Shell::Color end end end end module Shell SHELL_DELEGATED_METHODS = [:ask, :error, :set_color, :yes?, :no?, :say, :say_status, :print_in_columns, :print_table, :print_wrapped, :file_collision, :terminal_width] attr_writer :shell autoload :Basic, File.expand_path("shell/basic", __dir__) autoload :Color, File.expand_path("shell/color", __dir__) autoload :HTML, File.expand_path("shell/html", __dir__) # Add shell to initialize config values. # # ==== Configuration # shell:: An instance of the shell to be used. # # ==== Examples # # class MyScript < Bundler::Thor # argument :first, :type => :numeric # end # # MyScript.new [1.0], { :foo => :bar }, :shell => Bundler::Thor::Shell::Basic.new # def initialize(args = [], options = {}, config = {}) super self.shell = config[:shell] shell.base ||= self if shell.respond_to?(:base) end # Holds the shell for the given Bundler::Thor instance. If no shell is given, # it gets a default shell from Bundler::Thor::Base.shell. def shell @shell ||= Bundler::Thor::Base.shell.new end # Common methods that are delegated to the shell. SHELL_DELEGATED_METHODS.each do |method| module_eval <<-METHOD, __FILE__, __LINE__ + 1 def #{method}(*args,&block) shell.#{method}(*args,&block) end METHOD end # Yields the given block with padding. def with_padding shell.padding += 1 yield ensure shell.padding -= 1 end protected # Allow shell to be shared between invocations. # def _shared_configuration #:nodoc: super.merge!(:shell => shell) end end end