7afe53c8eb
Tracks source repository information for each blob in the blobsum service, which is then used to attempt to mount blobs from another repository when pushing instead of having to re-push blobs to the same registry. Signed-off-by: Brian Bland <brian.bland@docker.com> Upstream-commit: 7289c7218e2101eb94fb90f2cb22e1412d016984 Component: engine