view .arcconfig @ 45889:e5a0efd26f7a

config: clean up message about ignored untrusted config

The error message relied on Python's default formatting of arguments
to an Exception's constructor. Let's try to make it a little more
readable for users.

Differential Revision: https://phab.mercurial-scm.org/D9352

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