GoでHTTPリダイレクト後の最終URLを取得する方法?

import (
    "errors"
    "fmt"
    "io"
    "log"
    "net/http"
)

func main() {
    req, err := http.NewRequest("GET", "https://example.com/path", nil)
    if err != nil {
        log.Fatal(err)
    }

    cl := http.Client{}
    var lastUrlQuery string

    // Custom CheckRedirect function to capture the final URL before each redirect
    cl.CheckRedirect = func(req *http.Request, via []*http.Request) error {
        if len(via) > 10 {
            return errors.New("too many redirects")
        }
        lastUrlQuery = req.URL.RequestURI()
        return nil
    }

    resp, err := cl.Do(req)
    if err != nil {
        log.Fatal(err)
    }
    defer resp.Body.Close()

    // Use the lastUrlQuery variable to access the final URL after any redirects
    fmt.Printf("Last URL Query: %s\n", lastUrlQuery)

    // Read the response body for further processing
    io.Copy(io.Discard, resp.Body)
}