view .arcconfig @ 41883:1f069f37e601

discovery: simplify the building of the children mapping

Since we only care about the revisions inside the set we are sampling, we can
use simpler code (and probably sightly faster).

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