vbatts/registry
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Allow conditional fetching of manifests with the registry client.

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Add a functional argument to pass a digest to (ManifestService).GetByTag().
If the digest matches an empty manifest and nil error are returned.

See 1bc740b0d5 for server implementation.

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>
This commit is contained in:
Richard Scothern 2015-07-14 16:25:37 -07:00
parent 79a4ca2abe
commit 48a2010ac3
6 changed files with 116 additions and 24 deletions
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4
notifications/listener.go
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@ -93,8 +93,8 @@ func (msl *manifestServiceListener) Put(sm *manifest.SignedManifest) error {
return err
}
func (msl *manifestServiceListener) GetByTag(tag string) (*manifest.SignedManifest, error) {
sm, err := msl.ManifestService.GetByTag(tag)
func (msl *manifestServiceListener) GetByTag(tag string, options ...distribution.ManifestServiceOption) (*manifest.SignedManifest, error) {
sm, err := msl.ManifestService.GetByTag(tag, options...)
if err == nil {
if err := msl.parent.listener.ManifestPulled(msl.parent.Repository.Name(), sm); err != nil {
logrus.Errorf("error dispatching manifest pull to listener: %v", err)