util/imagetools: remove unused Resolver.ImageConfig

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/containerd/containerd/leases/lease.go

@@ -1,91 +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 leases
-
-import (
-	"context"
-	"time"
-)
-
-// Opt is used to set options on a lease
-type Opt func(*Lease) error
-
-// DeleteOpt allows configuring a delete operation
-type DeleteOpt func(context.Context, *DeleteOptions) error
-
-// Manager is used to create, list, and remove leases
-type Manager interface {
-	Create(context.Context, ...Opt) (Lease, error)
-	Delete(context.Context, Lease, ...DeleteOpt) error
-	List(context.Context, ...string) ([]Lease, error)
-	AddResource(context.Context, Lease, Resource) error
-	DeleteResource(context.Context, Lease, Resource) error
-	ListResources(context.Context, Lease) ([]Resource, error)
-}
-
-// Lease retains resources to prevent cleanup before
-// the resources can be fully referenced.
-type Lease struct {
-	ID        string
-	CreatedAt time.Time
-	Labels    map[string]string
-}
-
-// Resource represents low level resource of image, like content, ingest and
-// snapshotter.
-type Resource struct {
-	ID   string
-	Type string
-}
-
-// DeleteOptions provide options on image delete
-type DeleteOptions struct {
-	Synchronous bool
-}
-
-// SynchronousDelete is used to indicate that a lease deletion and removal of
-// any unreferenced resources should occur synchronously before returning the
-// result.
-func SynchronousDelete(ctx context.Context, o *DeleteOptions) error {
-	o.Synchronous = true
-	return nil
-}
-
-// WithLabels merges labels on a lease
-func WithLabels(labels map[string]string) Opt {
-	return func(l *Lease) error {
-		if l.Labels == nil {
-			l.Labels = map[string]string{}
-		}
-		for k, v := range labels {
-			l.Labels[k] = v
-		}
-		return nil
-	}
-}
-
-// WithExpiration sets an expiration on the lease
-func WithExpiration(d time.Duration) Opt {
-	return func(l *Lease) error {
-		if l.Labels == nil {
-			l.Labels = map[string]string{}
-		}
-		l.Labels["containerd.io/gc.expire"] = time.Now().Add(d).Format(time.RFC3339)
-
-		return nil
-	}
-}