view .arcconfig @ 40144:acf560bc9b56

perf: extract the timing of a section in a context manager

This makes it easier to reuse it in other (future) part of the code that
requires their own time management.

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