UPDATE: Update howto, fix bug bytes humman format

internal/git-service/util.go

@@ -13,16 +13,34 @@ import (
 	"runtime"
 	"sync"
 	"time"
+
 )
 
 func HumanFormat(bytes float64) string {
-	for _, unit := range []string{"", "Ki", "Mi", "Gi"} {
-		if math.Abs(bytes) < 1024.0 {
-			return fmt.Sprintf("%3.1f%sB", bytes, unit)
-		}
-		bytes /= 1024.0
+	if math.IsNaN(bytes) || math.IsInf(bytes, 0) {
+		return fmt.Sprintf("%v", bytes)
 	}
-	return fmt.Sprintf("%.1fTiB", bytes)
+	if bytes == 0 {
+		return "0B"
+	}
+
+	neg := bytes < 0
+	if neg {
+		bytes = -bytes
+	}
+
+	units := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
+	i := 0
+	for bytes >= 1024 && i < len(units)-1 {
+		bytes /= 1024
+		i++
+	}
+
+	res := fmt.Sprintf("%.1f%s", bytes, units[i])
+	if neg {
+		res = "-" + res
+	}
+	return res
 }
 
 type WriteCounter struct {
@@ -53,14 +71,13 @@ func (wc *WriteCounter) PrintProgress() {
 	if elapsed < 0.001 {
 		elapsed = 0.001
 	}
-	speed := float64(wc.Total) / 1024 / 1024 / elapsed
+	speed := float64(wc.Total) / elapsed
 	percent := float64(wc.Total) / float64(wc.TotalSize) * 100
 	if wc.OnEmit != nil {
 		wc.OnEmit(percent, fmt.Sprintf("%s/s", HumanFormat(speed)))
 	}
 }
 
-// --- DownloadFileParallel ---
 func (g *GitService) downloadFileParallel(filePath, url string, numParts int, onEmit func(percent float64, speed string)) (tmpPath string, err error) {
 	resp, err := http.Head(url)
 	if err != nil {