printEnvDetails(&buf)
	buf.WriteString(bugFooter)

	body := buf.String()
	url := "https://github.com/golang/go/issues/new?body=" + urlpkg.QueryEscape(body)
	if !web.OpenBrowser(url) {
		fmt.Print("Please file a new issue at golang.org/issue/new using this template:\n\n")
		fmt.Print(body)
	}
}

const bugHeader = `<!-- Please answer these questions before submitting your issue. Thanks! -->

		return nil, err
	}

	return &Response{
		URL:        u.Redacted(),
		Status:     http.StatusText(http.StatusOK),
		StatusCode: http.StatusOK,
		Body:       f,
	}, nil
}

func openBrowser(url string) bool { return browser.Open(url) }

func isLocalHost(u *urlpkg.URL) bool {
	// VCSTestRepoURL itself is secure, and it may redirect requests to other