Update progress status when necessary

progress.go

@@ -6,6 +6,8 @@ import (
 	"time"
 )
 
+const minTickerTime = time.Second / 60
+
 type Progress struct {
 	OnStart  func()
 	OnUpdate ProgressFunc
@@ -19,6 +21,7 @@ type Progress struct {
 	cancel     chan struct{}
 	o          sync.Once
 	d          time.Duration
+	lastUpdate time.Time
 
 	running bool
 }
@@ -92,11 +95,19 @@ func (p *Progress) Report(s Stat) {
 	p.curM.Lock()
 	p.cur.Add(s)
 	cur := p.cur
+	needUpdate := false
+	if time.Since(p.lastUpdate) > minTickerTime {
+		p.lastUpdate = time.Now()
+		needUpdate = true
+	}
 	p.curM.Unlock()
 
+	if needUpdate {
 		p.updateProgress(cur, false)
 	}
 
+}
+
 func (p *Progress) updateProgress(cur Stat, ticker bool) {
 	if p.OnUpdate == nil {
 		return