view .arcconfig @ 35307:921680c3e2ea

revset: make follow() accept multiple startrevs

The diff might look slightly complicated, but the initial "c = repo['.']" was
effective if rev = None.

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