view .arcconfig @ 47415:b1b3127227be

config: add an experimental option to list all known config

That option is not ready for prime-time, hence the `exp-` prefix. However, this
is a good base to start going toward completion. This is also quite useful for
developer on its own for now.

Differential Revision: https://phab.mercurial-scm.org/D10356

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