method

add_shebang_option!

rails latest stable - Class: Rails::Generators::Base

add_shebang_option!()

private

Small macro to add ruby as an option to the generator with proper default value plus an instance helper method called shebang.

# File railties/lib/rails/generators/base.rb, line 396
        def self.add_shebang_option! # :doc:
          class_option :ruby, type: :string, aliases: "-r", default: Thor::Util.ruby_command,
                              desc: "Path to the Ruby binary of your choice", banner: "PATH"

          no_tasks {
            define_method :shebang do
              @shebang ||= begin
                command = if options[:ruby] == Thor::Util.ruby_command
                  "/usr/bin/env #{File.basename(Thor::Util.ruby_command)}"
                else
                  options[:ruby]
                end
                "#!#{command}"
              end
            end
          }
        end

add_shebang_option!

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