Bump moby/buildkit

Signed-off-by: ulyssessouza <ulyssessouza@gmail.com>

vendor/github.com/containerd/continuity/hardlinks.go

@@ -1,73 +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 continuity
-
-import (
-	"fmt"
-	"os"
-)
-
-var (
-	errNotAHardLink = fmt.Errorf("invalid hardlink")
-)
-
-type hardlinkManager struct {
-	hardlinks map[hardlinkKey][]Resource
-}
-
-func newHardlinkManager() *hardlinkManager {
-	return &hardlinkManager{
-		hardlinks: map[hardlinkKey][]Resource{},
-	}
-}
-
-// Add attempts to add the resource to the hardlink manager. If the resource
-// cannot be considered as a hardlink candidate, errNotAHardLink is returned.
-func (hlm *hardlinkManager) Add(fi os.FileInfo, resource Resource) error {
-	if _, ok := resource.(Hardlinkable); !ok {
-		return errNotAHardLink
-	}
-
-	key, err := newHardlinkKey(fi)
-	if err != nil {
-		return err
-	}
-
-	hlm.hardlinks[key] = append(hlm.hardlinks[key], resource)
-
-	return nil
-}
-
-// Merge processes the current state of the hardlink manager and merges any
-// shared nodes into hardlinked resources.
-func (hlm *hardlinkManager) Merge() ([]Resource, error) {
-	var resources []Resource
-	for key, linked := range hlm.hardlinks {
-		if len(linked) < 1 {
-			return nil, fmt.Errorf("no hardlink entrys for dev, inode pair: %#v", key)
-		}
-
-		merged, err := Merge(linked...)
-		if err != nil {
-			return nil, fmt.Errorf("error merging hardlink: %v", err)
-		}
-
-		resources = append(resources, merged)
-	}
-
-	return resources, nil
-}