D2701: merge: use constants for actions

[phillco (Phil Cohen)]

phillco added subscribers: sid0, quark.
phillco added a comment.


  btw, @quark mentioned there could be a perf hit (@sid0 mentioned this too a long time ago iirc)

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2701

To: indygreg, #hg-reviewers, phillco
Cc: quark, sid0, phillco, pulkit, mercurial-devel