From 4ef58bee6015eec1c8099e3dc2d2c131db56a665 Mon Sep 17 00:00:00 2001
From: Satoshi Kinoshita <kino@cloudian.com>
Date: Wed, 13 Mar 2019 16:15:41 +0900
Subject: [PATCH] fix issule #169 for single line case

---
 operation.go | 2 +-
 runebuf.go   | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/operation.go b/operation.go
index 4c31624..a5f32fa 100644
--- a/operation.go
+++ b/operation.go
@@ -385,7 +385,7 @@ func (o *Operation) Runes() ([]rune, error) {
 		listener.OnChange(nil, 0, 0)
 	}
 
-	o.buf.Refresh(nil) // print prompt
+	o.buf.PrintPrompt() // print prompt
 	o.t.KickRead()
 	select {
 	case r := <-o.outchan:
diff --git a/runebuf.go b/runebuf.go
index 1e054c0..4e4627c 100644
--- a/runebuf.go
+++ b/runebuf.go
@@ -471,6 +471,12 @@ func (r *RuneBuffer) SetOffset(offset string) {
 	r.Unlock()
 }
 
+func (r *RuneBuffer) PrintPrompt() {
+	r.Lock()
+	r.print()
+	r.Unlock()
+}
+
 func (r *RuneBuffer) print() {
 	r.w.Write(r.output())
 	r.hadClean = false