copies: extract function for deciding whether to use changeset-centric algos...
copies: extract function for deciding whether to use changeset-centric algos
We'll eventually have a "experimental.copies.read-from=changeset-only"
option too and I don't want to spread the logic for determining if we
should use changeset-centric of filelog-centric algorithms.
Differential Revision:
https://phab.mercurial-scm.org/D6163