// Fetch http file url to destination dest, with or without progress.
func FetchHTTPFile(url string, dest string, progress bool) (err error) {
gologit.Debugf("Creating file: %s\n", dest)
out, err := os.Create(dest)
if err != nil {
return err
}
defer out.Close()
var r io.Reader
gologit.Debugf("Fetching url: %s\n", url)
resp, err := http.Get(url)
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("Server return non-200 status: %v", resp.Status)
}
msgPrefix := fmt.Sprintf("%s: ", path.Base(dest))
var bar *pb.ProgressBar
i, _ := strconv.Atoi(resp.Header.Get("Content-Length"))
if i > 0 && progress {
bar = pb.New(i).Prefix(msgPrefix).SetUnits(pb.U_BYTES)
bar.ShowSpeed = true
bar.RefreshRate = time.Millisecond * 700
bar.ShowFinalTime = false
bar.ShowTimeLeft = false
bar.Start()
defer bar.Finish()
r = bar.NewProxyReader(resp.Body)
} else {
r = resp.Body
}
_, err = io.Copy(out, r)
return err
}
