mq: always show relative path to .orig backup Same as previous commit, but for mq (I would have folded them, but test-check-commit doesn't like "revert/mq" as a topic and I couldn't think of a better one). Differential Revision: https://phab.mercurial-scm.org/D5872

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