view .arcconfig @ 49215:8d31ef3017c9 stable

run-tests: prevent race-condition when picking a channel

Before this, multiple jobs could search the list at the same time and pick the
same free channel.

We now project this search/assignment with a simple lock.

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