class Gem::Commands::UnpackCommand

def initialize
  require "fileutils"
  super "unpack", "Unpack an installed gem to the current directory",
        version: Gem::Requirement.default,
        target: Dir.pwd
  add_option("--target=DIR",
             "target directory for unpacking") do |value, options|
    options[:target] = value
  end
  add_option("--spec", "unpack the gem specification") do |_value, options|
    options[:spec] = true
  end
  add_security_option
  add_version_option
end