D696: registrar: add a enum 'cmdtype' for the type of the command

[pulkit (Pulkit Goyal)]

pulkit abandoned this revision.
pulkit added a comment.


  Send the series as https://phab.mercurial-scm.org/D736, https://phab.mercurial-scm.org/D737 and https://phab.mercurial-scm.org/D738.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D696

To: pulkit, #hg-reviewers, durham, yuja
Cc: yuja, durham, indygreg, mercurial-devel