D4477: merge: move purge logic from extension

[yuja (Yuya Nishihara)]

yuja added a comment.


  Queued the series, thanks.
  
  > +    matcher = scmutil.match(repo[None], dirs or (), {
  >  +        'include': opts.get('include'),
  >  +        'exclude': opts.get('exclude')})
  > 
  > - match = scmutil.match(repo[None], dirs, opts)
  
  Restored the original `match` construction, which looks simpler.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4477

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