D7147: diff: use unfiltered repo if we're diffing the working copy

[marmoute (Pierre-Yves David)]

marmoute added a comment.


  Do you have performance number for this ?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7147/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7147

To: martinvonz, #hg-reviewers
Cc: marmoute, mercurial-devel