Jonathan A. Sternberg 8fb1157b5f
vendor: github.com/moby/buildkit v0.21.0-rc1
Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>
2025-04-09 10:28:03 -05:00

33 lines
683 B
Go

package contentutil
import (
"net/url"
"slices"
"strings"
"github.com/containerd/containerd/v2/core/content"
"github.com/containerd/containerd/v2/pkg/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
}
if slices.Contains(strings.Split(repoLabel, ","), target) {
return true, nil
}
return false, nil
}