vendor: update buildkit to v0.16.0-rc1

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/containerd/containerd/pkg/userns/userns_linux.go

@@ -1,62 +0,0 @@
-/*
-   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 userns
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"sync"
-)
-
-var (
-	inUserNS bool
-	nsOnce   sync.Once
-)
-
-// RunningInUserNS detects whether we are currently running in a user namespace.
-// Originally copied from github.com/lxc/lxd/shared/util.go
-func RunningInUserNS() bool {
-	nsOnce.Do(func() {
-		file, err := os.Open("/proc/self/uid_map")
-		if err != nil {
-			// This kernel-provided file only exists if user namespaces are supported
-			return
-		}
-		defer file.Close()
-
-		buf := bufio.NewReader(file)
-		l, _, err := buf.ReadLine()
-		if err != nil {
-			return
-		}
-
-		line := string(l)
-		var a, b, c int64
-		fmt.Sscanf(line, "%d %d %d", &a, &b, &c)
-
-		/*
-		 * We assume we are in the initial user namespace if we have a full
-		 * range - 4294967295 uids starting at uid 0.
-		 */
-		if a == 0 && b == 0 && c == 4294967295 {
-			return
-		}
-		inUserNS = true
-	})
-	return inUserNS
-}

vendor/github.com/containerd/containerd/pkg/userns/userns_unsupported.go

@@ -1,25 +0,0 @@
-//go:build !linux
-
-/*
-   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 userns
-
-// RunningInUserNS is a stub for non-Linux systems
-// Always returns false
-func RunningInUserNS() bool {
-	return false
-}

vendor/github.com/containerd/typeurl/v2/README.md

@@ -2,7 +2,7 @@
 
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/containerd/typeurl)](https://pkg.go.dev/github.com/containerd/typeurl)
 [![Build Status](https://github.com/containerd/typeurl/workflows/CI/badge.svg)](https://github.com/containerd/typeurl/actions?query=workflow%3ACI)
-[![codecov](https://codecov.io/gh/containerd/typeurl/branch/master/graph/badge.svg)](https://codecov.io/gh/containerd/typeurl)
+[![codecov](https://codecov.io/gh/containerd/typeurl/branch/main/graph/badge.svg)](https://codecov.io/gh/containerd/typeurl)
 [![Go Report Card](https://goreportcard.com/badge/github.com/containerd/typeurl)](https://goreportcard.com/report/github.com/containerd/typeurl)
 
 A Go package for managing the registration, marshaling, and unmarshaling of encoded types.
@@ -13,8 +13,8 @@ This package helps when types are sent over a ttrpc/GRPC API and marshaled as a
 
 **typeurl** is a containerd sub-project, licensed under the [Apache 2.0 license](./LICENSE).
 As a containerd sub-project, you will find the:
- * [Project governance](https://github.com/containerd/project/blob/master/GOVERNANCE.md),
- * [Maintainers](https://github.com/containerd/project/blob/master/MAINTAINERS),
- * and [Contributing guidelines](https://github.com/containerd/project/blob/master/CONTRIBUTING.md)
+ * [Project governance](https://github.com/containerd/project/blob/main/GOVERNANCE.md),
+ * [Maintainers](https://github.com/containerd/project/blob/main/MAINTAINERS),
+ * and [Contributing guidelines](https://github.com/containerd/project/blob/main/CONTRIBUTING.md)
 
 information in our [`containerd/project`](https://github.com/containerd/project) repository.

vendor/github.com/containerd/typeurl/v2/types.go

@@ -27,6 +27,7 @@ import (
 	gogoproto "github.com/gogo/protobuf/proto"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoregistry"
+	"google.golang.org/protobuf/types/known/anypb"
 )
 
 var (
@@ -122,6 +123,9 @@ func TypeURL(v interface{}) (string, error) {
 
 // Is returns true if the type of the Any is the same as v.
 func Is(any Any, v interface{}) bool {
+	if any == nil {
+		return false
+	}
 	// call to check that v is a pointer
 	tryDereference(v)
 	url, err := TypeURL(v)
@@ -193,6 +197,31 @@ func UnmarshalToByTypeURL(typeURL string, value []byte, out interface{}) error {
 	return err
 }
 
+// MarshalProto converts typeurl.Any to google.golang.org/protobuf/types/known/anypb.Any.
+func MarshalProto(from Any) *anypb.Any {
+	if from == nil {
+		return nil
+	}
+
+	if pbany, ok := from.(*anypb.Any); ok {
+		return pbany
+	}
+
+	return &anypb.Any{
+		TypeUrl: from.GetTypeUrl(),
+		Value:   from.GetValue(),
+	}
+}
+
+// MarshalAnyToProto converts an arbitrary interface to google.golang.org/protobuf/types/known/anypb.Any.
+func MarshalAnyToProto(from interface{}) (*anypb.Any, error) {
+	anyType, err := MarshalAny(from)
+	if err != nil {
+		return nil, err
+	}
+	return MarshalProto(anyType), nil
+}
+
 func unmarshal(typeURL string, value []byte, v interface{}) (interface{}, error) {
 	t, err := getTypeByUrl(typeURL)
 	if err != nil {