D6440: fix: let fixer tools inherit hg's cwd so they can look at the working copy

[durin42 (Augie Fackler)]

durin42 added a comment.


  I still think we should fix the cwd for fixers, but it seems Martin and I agree that repo-root is more consistent. Would you be willing to reroll with repo-root instead of cwd?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6440/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6440

To: hooper, #hg-reviewers
Cc: martinvonz, durin42, mercurial-devel