Use assert logic

Author: cmaglie

commands/instances.go

@@ -42,6 +42,7 @@ import (
 	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
 	paths "github.com/arduino/go-paths-helper"
 	"github.com/sirupsen/logrus"
+	"go.bug.st/f"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
@@ -434,7 +435,7 @@ func (s *arduinoCoreServerImpl) Init(req *rpc.InitRequest, stream rpc.ArduinoCor
 	}
 
 	lm, libsLoadingWarnings := lmb.Build()
-	_ = instances.SetLibraryManager(instance, lm) // should never fail
+	f.Assert(instances.SetLibraryManager(instance, lm), "failed to initialize library manager")
 	for _, status := range libsLoadingWarnings {
 		logrus.WithError(status.Err()).Warnf("Error loading library")
 		// TODO: report as warning: responseError(err)