view .arcconfig @ 49660:593f5e4076ff stable

setup: support building from an ongoing merge

Before this change the two parents from the merge would duplicate some command
output and modify some others in a way python 3.11 chokes on.

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