From 548149a63d200076f0bf93e267dff797b44c4658 Mon Sep 17 00:00:00 2001
From: Nicolas Carlier <n.carlier@nunux.org>
Date: Sat, 29 Feb 2020 08:41:54 +0000
Subject: [PATCH] fix(logger): print colors only for TTY

---
 go.mod              |  1 +
 go.sum              |  4 ++++
 pkg/logger/color.go | 11 ++++++++++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/go.mod b/go.mod
index dc3dd28..032caa9 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,7 @@ module github.com/ncarlier/webhookd
 
 require (
 	github.com/go-fed/httpsig v0.1.0
+	github.com/mattn/go-isatty v0.0.12
 	golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72
 	golang.org/x/net v0.0.0-20200202094626-16171245cfb2 // indirect
 	golang.org/x/text v0.3.2 // indirect
diff --git a/go.sum b/go.sum
index 25df4c3..c1871b2 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/go-fed/httpsig v0.1.0 h1:6F2OxRVnNTN4OPN+Mc2jxs2WEay9/qiHT/jphlvAwIY=
 github.com/go-fed/httpsig v0.1.0/go.mod h1:T56HUNYZUQ1AGUzhAYPugZfp36sKApVnGBgKlIY+aIE=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 golang.org/x/crypto v0.0.0-20180527072434-ab813273cd59/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72 h1:+ELyKg6m8UBf0nPFSqD0mi7zUfwPyXo23HNjMnXPz7w=
@@ -12,6 +14,8 @@ golang.org/x/sys v0.0.0-20180525142821-c11f84a56e43/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42 h1:vEOn+mP2zCOVzKckCZy6YsCtDblrpj/w7B9nxGNELpg=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
diff --git a/pkg/logger/color.go b/pkg/logger/color.go
index c64a3dd..56629b0 100644
--- a/pkg/logger/color.go
+++ b/pkg/logger/color.go
@@ -1,5 +1,11 @@
 package logger
 
+import (
+	"os"
+
+	"github.com/mattn/go-isatty"
+)
+
 var (
 	nocolor = "\033[0m"
 	red     = "\033[0;31m"
@@ -12,7 +18,10 @@ var (
 )
 
 func colorize(text string, color string) string {
-	return color + text + nocolor
+	if isatty.IsTerminal(os.Stdout.Fd()) {
+		return color + text + nocolor
+	}
+	return text
 }
 
 // Gray ANSI color applied to a string