D624: copytrace: move the full copytracing algorithm under 'full' option

[pulkit (Pulkit Goyal)]

pulkit abandoned this revision.
pulkit added inline comments.

INLINE COMMENTS

> yuja wrote in copies.py:376
> This should either abort or fall back to the default copy tracing.
> Returning None doesn't make sense.

Falling back to default copytracing make sense. I am dropping this revision as that's already the case in this series without this patch.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D624

To: pulkit, #hg-reviewers, yuja
Cc: yuja, mercurial-devel