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Update manifest resolution for non-index manifests

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Avoid filtering manifests by platform when a non-index
manifest is provided to the Manifest function.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan 2018-09-25 17:50:06 -07:00
parent 4b1d56e240
commit ef8498bf79
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1 changed files with 8 additions and 1 deletions
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9
images/image.go
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@ -129,6 +129,13 @@ type platformManifest struct {
// Manifest resolves a manifest from the image for the given platform.
//
// When a manifest descriptor inside of a manifest index does not have
// a platform defined, the platform from the image config is considered.
//
// If the descriptor points to a non-index manifest, then the manifest is
// unmarshalled and returned without considering the platform inside of the
// config.
//
// TODO(stevvooe): This violates the current platform agnostic approach to this
// package by returning a specific manifest type. We'll need to refactor this
// to return a manifest descriptor or decide that we want to bring the API in
@ -152,7 +159,7 @@ func Manifest(ctx context.Context, provider content.Provider, image ocispec.Desc
return nil, err
}
if platform != nil {
if desc.Digest != image.Digest && platform != nil {
if desc.Platform != nil && !platform.Match(*desc.Platform) {
return nil, nil
}