use standard line clearing in printProgress

cmd/restic/global.go

@@ -8,7 +8,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"runtime"
 	"strconv"
 	"strings"
 	"time"
@@ -197,24 +196,6 @@ func collectBackends() *location.Registry {
 	return backends
 }
 
-// ClearLine creates a platform dependent string to clear the current
-// line, so it can be overwritten.
-//
-// w should be the terminal width, or 0 to let clearLine figure it out.
-func clearLine(w int) string {
-	if runtime.GOOS != "windows" {
-		return "\x1b[2K"
-	}
-
-	// ANSI sequences are not supported on Windows cmd shell.
-	if w <= 0 {
-		if w = terminal.StdoutWidth(); w <= 0 {
-			return ""
-		}
-	}
-	return strings.Repeat(" ", w-1) + "\r"
-}
-
 // Printf writes the message to the configured stdout stream.
 func Printf(format string, args ...interface{}) {
 	_, err := fmt.Fprintf(globalOptions.stdout, format, args...)

cmd/restic/progress.go

@@ -68,7 +68,6 @@ func newProgressMax(show bool, max uint64, description string) *progress.Counter
 }
 
 func printProgress(status string, final bool) {
-
 	canUpdateStatus := terminal.StdoutCanUpdateStatus()
 
 	w := terminal.StdoutWidth()
@@ -83,12 +82,7 @@ func printProgress(status string, final bool) {
 		}
 	}
 
-	var carriageControl, cl string
-
-	if canUpdateStatus {
-		cl = clearLine(w)
-	}
-
+	var carriageControl string
 	if !(strings.HasSuffix(status, "\r") || strings.HasSuffix(status, "\n")) {
 		if canUpdateStatus {
 			carriageControl = "\r"
@@ -97,7 +91,12 @@ func printProgress(status string, final bool) {
 		}
 	}
 
-	_, _ = os.Stdout.Write([]byte(cl + status + carriageControl))
+	if canUpdateStatus {
+		clearCurrentLine := terminal.ClearCurrentLine(os.Stdout.Fd())
+		clearCurrentLine(os.Stdout, os.Stdout.Fd())
+	}
+
+	_, _ = os.Stdout.Write([]byte(status + carriageControl))
 	if final {
 		_, _ = os.Stdout.Write([]byte("\n"))
 	}