view .arcconfig @ 42846:01d3ce3281cf

rust-cpython: fix unsafe inner(py).borrow_mut() calls

Since self.inner is managed by PySharedState, it must not be borrowed
mutably through the RefCell interface. Otherwise, the underlying object
could be mutated while a reference is leaked to Python world.

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