Currently we only support 'application/vnd.docker.distribution.manifest.v2+json'
manifest images download, with more multi-arch images used, we need to support
download images with 'application/vnd.docker.distribution.manifest.list.v2+json'
format(aka "fat manifest"), else we will fail to download those multi-arch ones.
This PR adds 'application/vnd.docker.distribution.manifest.list.v2+json' manifest
support, thus we can download both multi-arch and legacy images.
Signed-off-by: Dennis Chen <dennis.chen@arm.com>
(cherry picked from commit 0af5db511ed1ed5beab0feb09a2a96347a263410)
Signed-off-by: Andrew Hsu <andrewhsu@docker.com>
85c031e751