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Fix error: content digest sha256: ***: not found #3447

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davidferlay wants to merge 1 commit into from
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Fix error: content digest sha256: ***: not found #3447

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8 changes: 5 additions & 3 deletions cache/refs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -277,21 +277,23 @@ func (cr *cacheRecord) walkUniqueAncestors(f func(*cacheRecord) error) error {
}

func (cr *cacheRecord) isLazy(ctx context.Context) (bool, error) {
if !cr.getBlobOnly() {
return false, nil
}
dgst := cr.getBlob()
// special case for moby where there is no compressed blob (empty digest)
if dgst == "" {
return false, nil
}

_, err := cr.cm.ContentStore.Info(ctx, dgst)
if errors.Is(err, errdefs.ErrNotFound) {
return true, nil
} else if err != nil {
return false, err
}

if !cr.getBlobOnly() {
return false, nil
}

// If the snapshot is a remote snapshot, this layer is lazy.
if info, err := cr.cm.Snapshotter.Stat(ctx, cr.getSnapshotID()); err == nil {
if _, ok := info.Labels["containerd.io/snapshot/remote"]; ok {
Expand Down