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43 lines
1.3 KiB
43 lines
1.3 KiB
1 year ago
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// Copyright 2018 Google LLC All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v1
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import (
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"io"
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"github.com/google/go-containerregistry/pkg/v1/types"
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)
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// Layer is an interface for accessing the properties of a particular layer of a v1.Image
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type Layer interface {
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// Digest returns the Hash of the compressed layer.
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Digest() (Hash, error)
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// DiffID returns the Hash of the uncompressed layer.
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DiffID() (Hash, error)
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// Compressed returns an io.ReadCloser for the compressed layer contents.
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Compressed() (io.ReadCloser, error)
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// Uncompressed returns an io.ReadCloser for the uncompressed layer contents.
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Uncompressed() (io.ReadCloser, error)
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// Size returns the compressed size of the Layer.
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Size() (int64, error)
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// MediaType returns the media type of the Layer.
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MediaType() (types.MediaType, error)
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}
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