mirror of
https://github.com/mudler/luet.git
synced 2025-07-13 15:14:33 +00:00
38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
// Copyright 2018 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 crane
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
v1 "github.com/google/go-containerregistry/pkg/v1"
|
|
"github.com/google/go-containerregistry/pkg/v1/mutate"
|
|
"github.com/google/go-containerregistry/pkg/v1/tarball"
|
|
)
|
|
|
|
// Append reads a layer from path and appends it the the v1.Image base.
|
|
func Append(base v1.Image, paths ...string) (v1.Image, error) {
|
|
layers := make([]v1.Layer, 0, len(paths))
|
|
for _, path := range paths {
|
|
layer, err := tarball.LayerFromFile(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("reading tar %q: %v", path, err)
|
|
}
|
|
layers = append(layers, layer)
|
|
}
|
|
|
|
return mutate.AppendLayers(base, layers...)
|
|
}
|