view .arcconfig @ 34187:4c5730c21523

extensions: register config item early

Config items are likely to be used in during extensions setup. So we much
register them before that.

For example this apply to the 'win32text.warn' options.

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