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29 lines
776 B
Go
29 lines
776 B
Go
// +build windows
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package distribution
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import (
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"encoding/json"
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"fmt"
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"github.com/docker/distribution/manifest/schema1"
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"github.com/docker/docker/image"
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)
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func detectBaseLayer(is image.Store, m *schema1.Manifest, rootFS *image.RootFS) error {
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v1img := &image.V1Image{}
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if err := json.Unmarshal([]byte(m.History[len(m.History)-1].V1Compatibility), v1img); err != nil {
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return err
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}
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if v1img.Parent == "" {
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return fmt.Errorf("Last layer %q does not have a base layer reference", v1img.ID)
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}
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// There must be an image that already references the baselayer.
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for _, img := range is.Map() {
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if img.RootFS.BaseLayerID() == v1img.Parent {
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rootFS.BaseLayer = img.RootFS.BaseLayer
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return nil
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}
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}
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return fmt.Errorf("Invalid base layer %q", v1img.Parent)
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}
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