termstatus: Do formatting in Message, not Terminal

internal/ui/message.go

@@ -1,6 +1,10 @@
 package ui
 
-import "github.com/restic/restic/internal/ui/termstatus"
+import (
+	"fmt"
+
+	"github.com/restic/restic/internal/ui/termstatus"
+)
 
 // Message reports progress with messages of different verbosity.
 type Message struct {
@@ -19,27 +23,27 @@ func NewMessage(term *termstatus.Terminal, verbosity uint) *Message {
 
 // E reports an error
 func (m *Message) E(msg string, args ...interface{}) {
-	m.term.Errorf(msg, args...)
+	m.term.Error(fmt.Sprintf(msg, args...))
 }
 
 // P prints a message if verbosity >= 1, this is used for normal messages which
 // are not errors.
 func (m *Message) P(msg string, args ...interface{}) {
 	if m.v >= 1 {
-		m.term.Printf(msg, args...)
+		m.term.Print(fmt.Sprintf(msg, args...))
 	}
 }
 
 // V prints a message if verbosity >= 2, this is used for verbose messages.
 func (m *Message) V(msg string, args ...interface{}) {
 	if m.v >= 2 {
-		m.term.Printf(msg, args...)
+		m.term.Print(fmt.Sprintf(msg, args...))
 	}
 }
 
 // VV prints a message if verbosity >= 3, this is used for debug messages.
 func (m *Message) VV(msg string, args ...interface{}) {
 	if m.v >= 3 {
-		m.term.Printf(msg, args...)
+		m.term.Print(fmt.Sprintf(msg, args...))
 	}
 }