feat: Introduce muxing for new elements

main.go

@@ -1,11 +1,62 @@
 package main
 
 import (
-	"github.com/hashicorp/terraform/plugin"
+	"context"
+	"flag"
+	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
+	"github.com/hashicorp/terraform-plugin-go/tfprotov6/tf6server"
+	"github.com/hashicorp/terraform-plugin-mux/tf5to6server"
+	"github.com/hashicorp/terraform-plugin-mux/tf6muxserver"
+	"log"
+
+	"github.com/hashicorp/terraform-plugin-framework/providerserver"
 	"github.com/xvlcwk-terraform/terraform-provider-bitbucketserver/bitbucket"
 )
 
 func main() {
-	plugin.Serve(&plugin.ServeOpts{
-		ProviderFunc: bitbucket.Provider})
+	ctx := context.Background()
+
+	var debug bool
+
+	flag.BoolVar(&debug, "debug", false, "set to true to run the provider with support for debuggers like delve")
+	flag.Parse()
+
+	upgradedSdkServer, err := tf5to6server.UpgradeServer(
+		ctx,
+		//  terraform-plugin-sdk provider
+		bitbucket.Provider().GRPCProvider, //nolint:staticcheck
+	)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	providers := []func() tfprotov6.ProviderServer{
+		providerserver.NewProtocol6(bitbucket.New()), // Example terraform-plugin-framework provider
+		func() tfprotov6.ProviderServer {
+			return upgradedSdkServer
+		},
+	}
+
+	muxServer, err := tf6muxserver.NewMuxServer(ctx, providers...)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	var serveOpts []tf6server.ServeOpt
+
+	if debug {
+		serveOpts = append(serveOpts, tf6server.WithManagedDebug())
+	}
+
+	err = tf6server.Serve(
+		"registry.terraform.io/xvlcwk-terraform/terraform-provider-bitbucketserver",
+		muxServer.ProviderServer,
+		serveOpts...,
+	)
+
+	if err != nil {
+		log.Fatal(err)
+	}
 }