changegroup: tease out a temporary prune method for manifests...
changegroup: tease out a temporary prune method for manifests
It's extracted so extensions can filter manifest nodes if needed. This
is an unfortunate hack, but I think I only need it for manifests. The
long-term solution will be to rework the relationship between
changegroups and storage so that this isn't required.
Differential Revision:
https://phab.mercurial-scm.org/D4685