Set correct verbosity on logrus module

Author: cmaglie

go.mod

@@ -8,4 +8,5 @@ require (
 	github.com/arduino/go-properties-orderedmap v0.0.0-20181003091528-89278049acd3
 	github.com/go-errors/errors v1.0.1
 	github.com/juju/errors v0.0.0-20190207033735-e65537c515d7 // indirect
+	github.com/sirupsen/logrus v1.4.2
 )

main.go

@@ -52,6 +52,7 @@ import (
 	paths "github.com/arduino/go-paths-helper"
 	properties "github.com/arduino/go-properties-orderedmap"
 	"github.com/go-errors/errors"
+	"github.com/sirupsen/logrus"
 )
 
 const VERSION = "1.4.5"
@@ -373,6 +374,9 @@ func main() {
 	if *debugLevelFlag > -1 {
 		ctx.DebugLevel = *debugLevelFlag
 	}
+	if ctx.DebugLevel < 10 {
+		logrus.SetOutput(ioutil.Discard)
+	}
 
 	if *quietFlag {
 		ctx.SetLogger(i18n.NoopLogger{})