view .arcconfig @ 34749:acdc574cb8d7

contrib-perf: update the config registration

There are various issue with the previous code, all hidden by the try-except
clause. These are fixed now.

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