bump github.com/moby/buildkit to v0.13.0 (#351)

* bump github.com/moby/buildkit to v0.13.0

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* fix: update dep usage based on newer version

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* remove empty line

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>

* ci: bump golang to 1.21.x

* Bump moby

* debug

---------

Signed-off-by: Nianyu Shen <nianyu@spectrocloud.com>
Co-authored-by: Nianyu Shen <nianyu@spectrocloud.com>

vendor/github.com/google/go-containerregistry/internal/zstd/zstd.go

@@ -0,0 +1,116 @@
+// Copyright 2022 Google LLC All Rights Reserved.
+//
+// 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 zstd provides helper functions for interacting with zstd streams.
+package zstd
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+
+	"github.com/google/go-containerregistry/internal/and"
+	"github.com/klauspost/compress/zstd"
+)
+
+// MagicHeader is the start of zstd files.
+var MagicHeader = []byte{'\x28', '\xb5', '\x2f', '\xfd'}
+
+// ReadCloser reads uncompressed input data from the io.ReadCloser and
+// returns an io.ReadCloser from which compressed data may be read.
+// This uses zstd level 1 for the compression.
+func ReadCloser(r io.ReadCloser) io.ReadCloser {
+	return ReadCloserLevel(r, 1)
+}
+
+// ReadCloserLevel reads uncompressed input data from the io.ReadCloser and
+// returns an io.ReadCloser from which compressed data may be read.
+func ReadCloserLevel(r io.ReadCloser, level int) io.ReadCloser {
+	pr, pw := io.Pipe()
+
+	// For highly compressible layers, zstd.Writer will output a very small
+	// number of bytes per Write(). This is normally fine, but when pushing
+	// to a registry, we want to ensure that we're taking full advantage of
+	// the available bandwidth instead of sending tons of tiny writes over
+	// the wire.
+	// 64K ought to be small enough for anybody.
+	bw := bufio.NewWriterSize(pw, 2<<16)
+
+	// Returns err so we can pw.CloseWithError(err)
+	go func() error {
+		// TODO(go1.14): Just defer {pw,zw,r}.Close like you'd expect.
+		// Context: https://golang.org/issue/24283
+		zw, err := zstd.NewWriter(bw, zstd.WithEncoderLevel(zstd.EncoderLevelFromZstd(level)))
+		if err != nil {
+			return pw.CloseWithError(err)
+		}
+
+		if _, err := io.Copy(zw, r); err != nil {
+			defer r.Close()
+			defer zw.Close()
+			return pw.CloseWithError(err)
+		}
+
+		// Close zstd writer to Flush it and write zstd trailers.
+		if err := zw.Close(); err != nil {
+			return pw.CloseWithError(err)
+		}
+
+		// Flush bufio writer to ensure we write out everything.
+		if err := bw.Flush(); err != nil {
+			return pw.CloseWithError(err)
+		}
+
+		// We don't really care if these fail.
+		defer pw.Close()
+		defer r.Close()
+
+		return nil
+	}()
+
+	return pr
+}
+
+// UnzipReadCloser reads compressed input data from the io.ReadCloser and
+// returns an io.ReadCloser from which uncompressed data may be read.
+func UnzipReadCloser(r io.ReadCloser) (io.ReadCloser, error) {
+	gr, err := zstd.NewReader(r)
+	if err != nil {
+		return nil, err
+	}
+	return &and.ReadCloser{
+		Reader: gr,
+		CloseFunc: func() error {
+			// If the unzip fails, then this seems to return the same
+			// error as the read.  We don't want this to interfere with
+			// us closing the main ReadCloser, since this could leave
+			// an open file descriptor (fails on Windows).
+			gr.Close()
+			return r.Close()
+		},
+	}, nil
+}
+
+// Is detects whether the input stream is compressed.
+func Is(r io.Reader) (bool, error) {
+	magicHeader := make([]byte, 4)
+	n, err := r.Read(magicHeader)
+	if n == 0 && err == io.EOF {
+		return false, nil
+	}
+	if err != nil {
+		return false, err
+	}
+	return bytes.Equal(magicHeader, MagicHeader), nil
+}