.arcconfig

revlog: make isdescendantrev(a, b) check if a < b

This check was taken from rebase.py. It seems to make sense to move it
here, but I haven't done any measurements.

Differential Revision: https://phab.mercurial-scm.org/D3930

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