Function printProgress

cmd/progress.go:79–119

printProgress prints the progress with an optional log

(logMessage string)

// printProgress prints the progress with an optional log
func printProgress(logMessage string) {
	operations.StdoutMutex.Lock()
	defer operations.StdoutMutex.Unlock()

	var buf bytes.Buffer
	w, _ := terminal.GetSize()
	stats := strings.TrimSpace(accounting.GlobalStats().String())
	logMessage = strings.TrimSpace(logMessage)

	out := func(s string) {
		buf.WriteString(s)
	}

	if logMessage != "" {
		out("\n")
		out(terminal.MoveUp)
	}
	// Move to the start of the block we wrote erasing all the previous lines
	for range nlines - 1 {
		out(terminal.EraseLine)
		out(terminal.MoveUp)
	}
	out(terminal.EraseLine)
	out(terminal.MoveToStartOfLine)
	if logMessage != "" {
		out(terminal.EraseLine)
		out(logMessage + "\n")
	}
	fixedLines := strings.Split(stats, "\n")
	nlines = len(fixedLines)
	for i, line := range fixedLines {
		if len(line) > w {
			line = line[:w]
		}
		out(line)
		if i != nlines-1 {
			out("\n")
		}
	}
	terminal.Write(buf.Bytes())
}