view .arcconfig @ 40690:efd0f79246e3

narrow: extract helper for parsing narrowspec file

This will be used for parsing a file that's stored in a different
location.

Differential Revision: https://phab.mercurial-scm.org/D5277

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