Based on #12874 from Sam Abed <sam.abed@gmail.com>. His original commit
was brought up to date by manually porting the changes in pull.go into
the new code in pull_v1.go and pull_v2.go.
Fixes#8385
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This is part of the ongoing effort to remove the deprecated server/
package, and generally cleanup and simplify the codebase.
Signed-off-by: Solomon Hykes <solomon@docker.com>