$ git clone -n https://src.fedoraproject.org/rpms/xfce4-volumed.git /var/lib/mock/f41-build-side-1-2671329-29139/root/chroot_tmpdir/scmroot/xfce4-volumed
Cloning into '/var/lib/mock/f41-build-side-1-2671329-29139/root/chroot_tmpdir/scmroot/xfce4-volumed'...
$ git fetch origin 9afac6c0e303f683f5ee66a57aa3793eac465d2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-volumed
 * [new ref]         9afac6c0e303f683f5ee66a57aa3793eac465d2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9afac6c convert GPLv3+ license to SPDX