D4292: pure: fix pure-Python revlog to support [0] lookups on empty log

[martinvonz (Martin von Zweigbergk)]

martinvonz added a comment.


  In https://phab.mercurial-scm.org/D4292#66551, @yuja wrote:
  
  > As a side note, prefix lookup of nullhex no longer works with pure since
  >  null is excluded from the index.
  
  
  Yep, I had noticed. I have a fix that I'll send after running all pure and native tests on it will hopefully be the end of this series of patches fixing things I missed in https://phab.mercurial-scm.org/rHGa3dacabd476b6bed04932b08962d7aa2fd2fad41.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4292

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