view .arcconfig @ 40555:b5b3dd4e40c3

perf: add `parent-2` as possible source for perfrevlogwrite

This source will use a diff against p2 if it exists and fall back to p1
otherwise.

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