From 15de292f0c2e120a32dcc1ac0fc8f87b602c3926 Mon Sep 17 00:00:00 2001
From: Yoshiaki Kawazu <kawazzz@gmail.com>
Date: Fri, 22 Nov 2019 14:57:48 +0900
Subject: [PATCH] Fix spinner output to stderr

---
 cloudwatch/cloudwatch.go | 1 +
 cloudwatch/group.go      | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/cloudwatch/cloudwatch.go b/cloudwatch/cloudwatch.go
index b2f6532..0fa6e7b 100644
--- a/cloudwatch/cloudwatch.go
+++ b/cloudwatch/cloudwatch.go
@@ -93,6 +93,7 @@ func (cwl *Client) Tail(ctx context.Context) error {
 		}
 
 		s := spinner.New(spinner.CharSets[14], 100*time.Millisecond)
+		s.Writer = os.Stderr
 		s.Start()
 		s.Suffix = " Fetching log streams..."
 
diff --git a/cloudwatch/group.go b/cloudwatch/group.go
index 4a3a837..db92058 100644
--- a/cloudwatch/group.go
+++ b/cloudwatch/group.go
@@ -1,6 +1,7 @@
 package cloudwatch
 
 import (
+	"os"
 	"time"
 
 	"github.com/aws/aws-sdk-go/service/cloudwatchlogs"
@@ -11,6 +12,7 @@ import (
 // ListGroups lists group names matching the specified filter
 func (cwl *Client) ListGroups() (groupNames []string, err error) {
 	s := spinner.New(spinner.CharSets[14], 100*time.Millisecond)
+	s.Writer = os.Stderr
 	s.Start()
 	s.Suffix = " Fetching log groups..."
 	defer s.Stop()