$ git clone -n https://src.fedoraproject.org/forks/hursand/rpms/python-setuptools.git /var/lib/mock/f42-build-3156418-40813/root/chroot_tmpdir/scmroot/python-setuptools
Cloning into '/var/lib/mock/f42-build-3156418-40813/root/chroot_tmpdir/scmroot/python-setuptools'...
$ git fetch origin 6cc83dcdb1a3c5f8b1463693f2fa0d684df750f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hursand/rpms/python-setuptools
 * [new ref]         6cc83dcdb1a3c5f8b1463693f2fa0d684df750f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cc83dc Enable bootstrap