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// Copyright The Notary Project 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 notation
import (
"context"
"os"
"path/filepath"
. "github.com/onsi/ginkgo/v2"
"oras.land/oras-go/v2"
"oras.land/oras-go/v2/content/oci"
)
// OCILayout is a OCI layout directory for
type OCILayout struct {
// Path is the path of the OCI layout directory.
Path string
// Tag is the tag of artifact in the OCI layout.
Tag string
// Digest is the digest of artifact in the OCI layout.
Digest string
}
// GenerateOCILayout creates a new OCI layout in a temporary directory.
func GenerateOCILayout(srcRepoName string) (*OCILayout, error) {
ctx := context.Background()
if srcRepoName == "" {
srcRepoName = TestRepoUri
}
destPath := filepath.Join(GinkgoT().TempDir(), newRepoName())
// create a local store from OCI layout directory.
srcStore, err := oci.NewFromFS(ctx, os.DirFS(filepath.Join(OCILayoutPath, srcRepoName)))
if err != nil {
return nil, err
}
// create a dest store for store the generated oci layout.
destStore, err := oci.New(destPath)
if err != nil {
return nil, err
}
// copy data
desc, err := oras.ExtendedCopy(ctx, srcStore, TestTag, destStore, "", oras.DefaultExtendedCopyOptions)
if err != nil {
return nil, err
}
return &OCILayout{
Path: destPath,
Tag: TestTag,
Digest: desc.Digest.String(),
}, nil
}
// ReferenceWithTag returns the reference with tag.
func (o *OCILayout) ReferenceWithTag() string {
return o.Path + ":" + o.Tag
}
// ReferenceWithDigest returns the reference with digest.
func (o *OCILayout) ReferenceWithDigest() string {
return o.Path + "@" + o.Digest
}
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