pbulk is able to handle the creation All directory itself[1].
changing the permission of ${PACKAGES} at the end of the script prevents that
from working.
Undo the change in r1.4 to create the All directory during setup & instead do
not change permissions.

Tested on OS X Tiger & FreeBSD.

Heads up by joerg
[1] http://mail-index.netbsd.org/pkgsrc-changes/2017/08/01/msg160826.html

(sevan)