This introduces Versions for TarSum checksums.
Fixes: https://github.com/docker/docker/issues/7526
It preserves current functionality and abstracts the interface for
future flexibility of hashing algorithms. As a POC, the VersionDev
Tarsum does not include the mtime in the checksum calculation, and would
solve https://github.com/docker/docker/issues/7387 though this is not a
settled Version is subject to change until a version number is assigned.
Signed-off-by: Vincent Batts <vbatts@redhat.com>
Per registry.doRequest, res and client might be nil in case of error
For example, dns resolution errors, /etc/docker/certs.d perms, failed
loading of x509 cert ...
This will make res.StatusCode and res.Body SEGFAULT.
Signed-off-by: Arthur Gautier <baloo@gandi.net>
renaming this struct to more clearly be session, as that is what it
handles.
Splitting out files for easier readability.
Signed-off-by: Vincent Batts <vbatts@redhat.com>
