Fix the rename command on Windows

Signed-off-by: Dan Ardelean <[email protected]>

cmd/nerdctl/container_rename.go

@@ -19,6 +19,7 @@ package main
 import (
 	"context"
 	"fmt"
+	"runtime"
 
 	"github.com/containerd/containerd"
 	"github.com/containerd/nerdctl/pkg/clientutil"
@@ -92,8 +93,11 @@ func renameContainer(ctx context.Context, container containerd.Container, newNam
 	if err := namst.Rename(name, container.ID(), newName); err != nil {
 		return err
 	}
-	if err := hostst.Update(ns, container.ID(), newName); err != nil {
-		return err
+
+	if runtime.GOOS == "linux" {
+		if err := hostst.Update(ns, container.ID(), newName); err != nil {
+			return err
+		}
 	}
 	labels := map[string]string{
 		labels.Name: newName,

cmd/nerdctl/container_rename_windows_test.go

@@ -0,0 +1,37 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package main
+
+import (
+	"testing"
+
+	"github.com/containerd/nerdctl/pkg/testutil"
+)
+
+func TestRename(t *testing.T) {
+	testContainerName := testutil.Identifier(t)
+	base := testutil.NewBase(t)
+
+	defer base.Cmd("rm", "-f", testContainerName).Run()
+	base.Cmd("run", "-d", "--name", testContainerName, testutil.CommonImage, "sleep", "infinity").AssertOK()
+
+	defer base.Cmd("rm", "-f", testContainerName+"_new").Run()
+	base.Cmd("rename", testContainerName, testContainerName+"_new").AssertOK()
+	base.Cmd("ps", "-a").AssertOutContains(testContainerName + "_new")
+	base.Cmd("rename", testContainerName, testContainerName+"_new").AssertFail()
+	base.Cmd("rename", testContainerName+"_new", testContainerName+"_new").AssertFail()
+}