.arcconfig

log: pass ctx to makefilematcher() and makehunksfilter() functions

This isn't important, but seems more consistent as changesetprinter.show()
takes a ctx, not a revision number.

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