D7324: index: add a `rev` method (API)

[martinvonz (Martin von Zweigbergk)]

martinvonz added a comment.


  Perhaps it's best to bump the version number in this patch and the `get_rev` patch as well? I don't feel strongly, but I'll queue all the `has_node` patches to start with.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7324/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7324

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