create_password_file_generator.rb

require 'bcrypt'

module Lock
  class CreatePasswordFileGenerator < Rails::Generators::Base
    argument :password, :type => :string
    source_root File.expand_path('../templates', __FILE__)
    
    def create_password_file
      password_salt = BCrypt::Engine.generate_salt
      password_hash = BCrypt::Engine.hash_secret(password, password_salt)
      create_file "config/lock_password", "#{password_hash}"
    end
  end
end