index: store nullrev as -1 in nodetree Nothing important, it just seems more natural to not map nullrev to INT_MAX. We just need to change the revision encoding a little to make space for the -1. Differential Revision: https://phab.mercurial-scm.org/D4005

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}