# HG changeset patch
# User Mikael Berthe <mikael@lilotux.net>
# Date 1493635357 -7200
# Node ID c6adf9d9e996284f692dfcf047840761bf10d2c6
# Parent  d6b4e3b7c6c6113c14d2f49654c60a5bbfc01544
Disable ANSI sequences when stdout is not a TTY

diff -r d6b4e3b7c6c6 -r c6adf9d9e996 .travis.yml
--- a/.travis.yml	Mon May 01 12:25:43 2017 +0200
+++ b/.travis.yml	Mon May 01 12:42:37 2017 +0200
@@ -18,3 +18,4 @@
 - go get github.com/pkg/errors
 - go get github.com/jaytaylor/html2text
 - go get github.com/m0t0k1ch1/gomif
+- go get github.com/mattn/go-isatty
diff -r d6b4e3b7c6c6 -r c6adf9d9e996 printer/templateprinter.go
--- a/printer/templateprinter.go	Mon May 01 12:25:43 2017 +0200
+++ b/printer/templateprinter.go	Mon May 01 12:42:37 2017 +0200
@@ -14,11 +14,15 @@
 	"text/template"
 
 	"github.com/m0t0k1ch1/gomif"
+	"github.com/mattn/go-isatty"
 
 	"github.com/McKael/madon"
 	"github.com/McKael/madonctl/printer/colors"
 )
 
+// DisableColors can be set to true to disable the color template function
+var DisableColors bool
+
 // TemplatePrinter represents a Template printer
 type TemplatePrinter struct {
 	rawTemplate string
@@ -32,11 +36,17 @@
 	t, err := template.New("output").Funcs(template.FuncMap{
 		"fromhtml": html2string,
 		"fromunix": unix2string,
-		"color":    colors.ANSICodeString,
+		"color":    ansiColor,
 	}).Parse(tmpl)
 	if err != nil {
 		return nil, err
 	}
+
+	// Check if stdout is a TTY
+	if !isatty.IsTerminal(os.Stdout.Fd()) {
+		DisableColors = true
+	}
+
 	return &TemplatePrinter{
 		rawTemplate: tmpl,
 		template:    t,
@@ -118,3 +128,10 @@
 	}
 	return nil
 }
+
+func ansiColor(desc string) (string, error) {
+	if DisableColors {
+		return "", nil
+	}
+	return colors.ANSICodeString(desc)
+}