fix crossbuild nested .build directories (#119)
fix crossbuild nested .build directories (#119)

The crossbuild command was copying the .build directory out of the
container and creating a local .build/.build directory.  This
changes the copy operation to correctly get the contents from the
container instead of copying the directory itself.

Signed-off-by: Paul Gier <02c55f18a892b365bcd1802db9e5c9df39c04674@redhat.com>
prometheus/promu