dockerrpm: always use current user and group
Using uid 1000 and gid 1000 works by default in some cases,
but 'id -u' and 'id -g' should work in all cases.
Differential Revision: https://phab.mercurial-scm.org/D11767
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"phabricator.uri": "https://phab.mercurial-scm.org/",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}