From 16b2c08520470d8126885d3833d66bcf76ac5cea Mon Sep 17 00:00:00 2001
From: David Wertenteil <dwertent@armosec.io>
Date: Mon, 7 Feb 2022 19:03:21 +0200
Subject: [PATCH] start spinner only when fd is terminal (#131)

---
 go.mod             | 1 +
 spinner.go         | 8 +++++++-
 vendor/modules.txt | 1 +
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/go.mod b/go.mod
index df62180..2da0084 100644
--- a/go.mod
+++ b/go.mod
@@ -5,4 +5,5 @@ go 1.14
 require (
 	github.com/fatih/color v1.7.0
 	github.com/mattn/go-colorable v0.1.2 // indirect
+	github.com/mattn/go-isatty v0.0.8
 )
diff --git a/spinner.go b/spinner.go
index e9bbfe9..f6bb029 100644
--- a/spinner.go
+++ b/spinner.go
@@ -28,6 +28,7 @@ import (
 	"unicode/utf8"
 
 	"github.com/fatih/color"
+	"github.com/mattn/go-isatty"
 )
 
 // errInvalidColor is returned when attempting to set an invalid color
@@ -271,7 +272,7 @@ func (s *Spinner) Active() bool {
 // Start will start the indicator.
 func (s *Spinner) Start() {
 	s.mu.Lock()
-	if s.active {
+	if s.active || !isRunningInTerminal() {
 		s.mu.Unlock()
 		return
 	}
@@ -439,3 +440,8 @@ func GenerateNumberSequence(length int) []string {
 	}
 	return numSeq
 }
+
+// isRunningInTerminal check if stdout file descriptor is terminal
+func isRunningInTerminal() bool {
+	return isatty.IsTerminal(os.Stdout.Fd())
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 0a845d8..2df272c 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -5,6 +5,7 @@ github.com/fatih/color
 ## explicit
 github.com/mattn/go-colorable
 # github.com/mattn/go-isatty v0.0.8
+## explicit
 github.com/mattn/go-isatty
 # golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223
 golang.org/x/sys/unix