Add automatic locale detection

Gopkg.toml

@@ -118,3 +118,7 @@
 [[constraint]]
   name = "golang.org/x/text"
   revision = "342b2e1fbaa52c93f31447ad2c6abc048c63e475"
+
+[[constraint]]
+  name = "github.com/cloudfoundry-attic/jibber_jabber"
+  branch = "master"

cmd/minikube/main.go

@@ -40,5 +40,6 @@ func main() {
 	}
 	console.SetOutFile(os.Stdout)
 	console.SetErrFile(os.Stderr)
+	console.DetermineLocale()
 	cmd.Execute()
 }

pkg/minikube/console/console.go

@@ -24,6 +24,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/cloudfoundry-attic/jibber_jabber"
 	"github.com/golang/glog"
 	isatty "github.com/mattn/go-isatty"
 	"golang.org/x/text/language"
@@ -198,6 +199,15 @@ func SetErrFile(w fdWriter) {
 	useColor = wantsColor(w.Fd())
 }
 
+func DetermineLocale() {
+	locale, err := jibber_jabber.DetectIETF()
+	if err != nil {
+		glog.Warningf("Getting system locale failed: %s", err)
+		locale = ""
+	}
+	SetPreferredLanguage(locale)
+}
+
 // wantsColor determines if the user might want colorized output.
 func wantsColor(fd uintptr) bool {
 	// First process the environment: we allow users to force colors on or off.