class Bundler::Source::Path::Installer

def initialize(spec, options = {})
  @options            = options
  @spec               = spec
  @gem_dir            = Bundler.rubygems.path(spec.full_gem_path)
  @wrappers           = true
  @env_shebang        = true
  @format_executable  = options[:format_executable] || false
  @build_args         = options[:build_args] || Bundler.rubygems.build_args
  @gem_bin_dir        = "#{Bundler.rubygems.gem_dir}/bin"
  @disable_extensions = options[:disable_extensions]
  @bin_dir = @gem_bin_dir
end

def post_install
  run_hooks(:pre_install)
  unless @disable_extensions
    build_extensions
    run_hooks(:post_build)
  end
  generate_bin unless spec.executables.empty?
  run_hooks(:post_install)
end

def run_hooks(type)
  hooks_meth = "#{type}_hooks"
  return unless Gem.respond_to?(hooks_meth)
  Gem.send(hooks_meth).each do |hook|
    result = hook.call(self)
    next unless result == false
    location = " at #{$1}" if hook.inspect =~ /@(.*:\d+)/
    message = "#{type} hook#{location} failed for #{spec.full_name}"
    raise InstallHookError, message
  end
end