class Rails::Generators::EncryptedFileGenerator

def add_encrypted_file_silently(file_path, key_path, template = encrypted_file_template)
  unless File.exist?(file_path)
    ActiveSupport::EncryptedFile.new(
      content_path: file_path,
      key_path: key_path,
      env_key: "RAILS_MASTER_KEY",
      raise_if_missing_key: true
    ).write(template)
  end
end

def encrypted_file_template
  <<~YAML
    # aws:
    #   access_key_id: 123
    #   secret_access_key: 345
  YAML
end