fix issule chzyer#169 for single line case

kinogmt · Mar 13, 2019 · b311650 · b311650
1 parent 2972be2
commit b311650
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/runebuf.go b/runebuf.go
@@ -597,8 +597,8 @@ func (r *RuneBuffer) cleanOutput(w io.Writer, idxLine int) {
 	} else {
 		buf.Write([]byte("\033[J")) // just like ^k :)
 		if idxLine == 0 {
-			buf.WriteString("\033[2K")
-			buf.WriteString("\r")
+			buf.WriteString(strings.Repeat("\033[D", r.idx + r.promptLen()))
+			buf.Write([]byte("\033[J"))
 		} else {
 			for i := 0; i < idxLine; i++ {
 				io.WriteString(buf, "\033[2K\r\033[A")