$ git clone -n https://src.fedoraproject.org/rpms/python-uranium.git /var/lib/mock/f38-build-side-42-init-devel-994885-29133/root/chroot_tmpdir/scmroot/python-uranium
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-994885-29133/root/chroot_tmpdir/scmroot/python-uranium'...
$ git fetch origin f257a828dc465f544b54c3857e061f2b50f5eb91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-uranium
 * [new ref]         f257a828dc465f544b54c3857e061f2b50f5eb91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f257a82 make pyclipper an explicit Requires