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package contentutil
import (
"net/url"
"strings"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/reference"
)
func HasSource(info content.Info, refspec reference.Spec) (bool, error) {
u, err := url.Parse("dummy://" + refspec.Locator)
if err != nil {
return false, err
}
if info.Labels == nil {
return false, nil
}
source, target := u.Hostname(), strings.TrimPrefix(u.Path, "/")
repoLabel, ok := info.Labels["containerd.io/distribution.source."+source]
if !ok || repoLabel == "" {
return false, nil
}
for _, repo := range strings.Split(repoLabel, ",") {
// the target repo is not a candidate
if repo == target {
return true, nil
}
}
return false, nil
}
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