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ocidistutil.go
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/
ocidistutil.go
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package ocidistutil
import (
"context"
"fmt"
refdocker "github.com/containerd/containerd/reference/docker"
"github.com/containerd/nerdctl/pkg/imgutil/dockerconfigresolver"
)
// RefWithDigest appends "@sha256:.." to the ref.
func RefWithDigest(ctx context.Context, rawRef string) (string, error) {
ref, err := refdocker.ParseDockerRef(rawRef)
if err != nil {
return "", fmt.Errorf("failed to parse OCI ref %q: %w", rawRef, err)
}
refDomain := refdocker.Domain(ref)
resolver, err := dockerconfigresolver.New(ctx, refDomain)
if err != nil {
return "", fmt.Errorf("failed to create a resolver for refDomain=%q (ref=%q): %w", refDomain, ref, err)
}
_, desc, err := resolver.Resolve(ctx, ref.String())
if err != nil {
return "", err
}
resolvedWithDigest, err := refdocker.WithDigest(ref, desc.Digest)
if err != nil {
return "", err
}
return resolvedWithDigest.String(), nil
}