Apply i18n settings only if specified

Author: cmaglie

Diff for: commands/instances.go

@@ -419,7 +419,9 @@ func (s *arduinoCoreServerImpl) Init(req *rpc.InitRequest, stream rpc.ArduinoCor
 	// Refreshes the locale used, this will change the
 	// language of the CLI if the locale is different
 	// after started.
-	i18n.Init(s.settings.GetString("locale"))
+	if locale, ok, _ := s.settings.GetStringOk("locale"); ok {
+		i18n.Init(locale)
+	}
 
 	return nil
 }

Diff for: commands/service.go

@@ -19,20 +19,14 @@ import (
 	"context"
 
 	"github.com/arduino/arduino-cli/internal/cli/configuration"
-	"github.com/arduino/arduino-cli/internal/i18n"
 	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
 	"github.com/arduino/arduino-cli/version"
 )
 
 // NewArduinoCoreServer returns an implementation of the ArduinoCoreService gRPC service
 // that uses the provided version string.
 func NewArduinoCoreServer() rpc.ArduinoCoreServiceServer {
-	settings := configuration.NewSettings()
-
-	// Setup i18n
-	i18n.Init(settings.Locale())
-
-	return &arduinoCoreServerImpl{settings: settings}
+	return &arduinoCoreServerImpl{settings: configuration.NewSettings()}
 }
 
 type arduinoCoreServerImpl struct {