remoteutil: fix pkg remove unnecessary map initialization

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

driver/remote/util/dialer_unix.go

@@ -1,7 +1,7 @@
 //go:build !windows
 // +build !windows
 
-package remote
+package remoteutil
 
 import (
 	"context"

driver/remote/util/dialer_windows.go

@@ -1,4 +1,4 @@
-package remote
+package remoteutil
 
 import (
 	"context"

driver/remote/util/endpoint.go

@@ -1,18 +1,19 @@
-package remote
+package remoteutil
 
 import (
 	"net/url"
+	"slices"
 
 	"github.com/pkg/errors"
 )
 
-var schemes = map[string]struct{}{
+var schemes = []string{
-	"tcp":              {},
+	"docker-container",
-	"unix":             {},
+	"kube-pod",
-	"ssh":              {},
+	"npipe",
-	"docker-container": {},
+	"ssh",
-	"kube-pod":         {},
+	"tcp",
-	"npipe":            {},
+	"unix",
 }
 
 func IsValidEndpoint(ep string) error {
@@ -20,7 +21,7 @@ func IsValidEndpoint(ep string) error {
 	if err != nil {
 		return errors.Wrapf(err, "failed to parse endpoint %s", ep)
 	}
-	if _, ok := schemes[endpoint.Scheme]; !ok {
+	if _, ok := slices.BinarySearch(schemes, endpoint.Scheme); !ok {
 		return errors.Errorf("unrecognized url scheme %s", endpoint.Scheme)
 	}
 	return nil

driver/remote/util/endpoint_test.go

@@ -0,0 +1,12 @@
+package remoteutil
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestSchemes(t *testing.T) {
+	require.True(t, slices.IsSorted(schemes))
+}