docker/docker — pull request #7471 by shykes (2014-08-07 20:08:36+00:00)
Title: Keep ADD in the official Dockerfile

This allows building docker on Docker 0.11 and earlier. There is no
reason to stop using ADD here, since the behavior is the same between
COPY and ADD when the source is a local directory.

Signed-off-by: Solomon Hykes