class Bundler::Source::Path::Installer

def post_install
  SharedHelpers.chdir(@gem_dir) do
    run_hooks(:pre_install)
    unless @disable_extensions
      build_extensions
      run_hooks(:post_build)
    end
    generate_bin unless spec.executables.nil? || spec.executables.empty?
    run_hooks(:post_install)
  end
ensure
  Bundler.rm_rf(@tmp_dir) if Bundler.requires_sudo?
end