D1679: rebase: fix for hgsubversion

[yuja (Yuya Nishihara)]

yuja accepted this revision.
yuja added a comment.
This revision is now accepted and ready to land.


  Queued, thanks.
  
  In https://phab.mercurial-scm.org/D1679#28741, @phillco wrote:
  
  > A better way might just be to use `None` for `self.wtcx` when rebasing on disk,
  
  
  Yeah, it might be. workingctx object must be recreated when dirstate changes.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1679

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