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labels: Add LabelDistributionSource

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Add a public const for "containerd.io/distribution.source" in `labels`
package and replace hardcoded usages.

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
This commit is contained in:
Paweł Gronowski
2023-03-07 17:06:27 +01:00
parent 29e10a192a
commit dd3eedf3c3
5 changed files with 13 additions and 11 deletions
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7
remotes/docker/handler.go
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@@ -30,11 +30,6 @@ import (
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
var (
// labelDistributionSource describes the source blob comes from.
labelDistributionSource = "containerd.io/distribution.source"
)
// AppendDistributionSourceLabel updates the label of blob with distribution source.
func AppendDistributionSourceLabel(manager content.Manager, ref string) (images.HandlerFunc, error) {
refspec, err := reference.Parse(ref)
@@ -108,7 +103,7 @@ func appendDistributionSourceLabel(originLabel, repo string) string {
}
func distributionSourceLabelKey(source string) string {
return fmt.Sprintf("%s.%s", labelDistributionSource, source)
return fmt.Sprintf("%s.%s", labels.LabelDistributionSource, source)
}
// selectRepositoryMountCandidate will select the repo which has longest