The original messages were confusing in dry-run mode in that they state
that something is being done, when in reality it isn't. Use alternative
wording in that case, to make the distinction clear.
Author: Peter Smith <smithpb2250@gmail.com> Reviewed-by: Chao Li <li.evan.chao@gmail.com> Reviewed-by: Euler Taveira <euler@eulerto.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CAHut+PsvQJQnQO0KT0S2oegenkvJ8FUuY-QS5syyqmT24R2xFQ@mail.gmail.com