.arcconfig

localrepo: rename crev in _filecommit() to cnode, since it's a node

I know we often use "rev" generically, but here's it always a node, so
it helps to be specific.

Differential Revision: https://phab.mercurial-scm.org/D6181

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