D3976: grep: add MULTIREV support to --allfiles flag

[sangeet259 (Sangeet Kumar Mishra)]

sangeet259 added a comment.


  In https://phab.mercurial-scm.org/D3976#64274, @yuja wrote:
  
  > Queued with minor cleanup, thanks.
  >
  > As a follow up, can you fix `hg grep --all-files -rREVS FILE` to scan
  >  unchanged revisions?
  
  
  Sure

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3976

To: sangeet259, #hg-reviewers
Cc: yuja, mercurial-devel