D582: rebase: add a changes flag to rebase which will show the hash changes

[quark (Jun Wu)]

quark requested changes to this revision.
quark added a comment.
This revision now requires changes to proceed.


  Per discussion at https://phab.mercurial-scm.org/D581, we probably want to go the `-T '{changes|json}'` approach instead of `-T json --changes`.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D582

To: pulkit, #hg-reviewers, quark
Cc: quark, mercurial-devel