class method `self.add_shebang_option!`

Ruby on Rails 4.1.16

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.add_shebang_option!()

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

Source

# File railties/lib/rails/generators/base.rb, line 346
        def self.add_shebang_option!
          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

Defined in railties/lib/rails/generators/base.rb line 346 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Rails::Generators::Base

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