$ git clone -n https://src.fedoraproject.org/rpms/xfconf.git /var/lib/mock/f41-build-side-1-2671353-29139/root/chroot_tmpdir/scmroot/xfconf
Cloning into '/var/lib/mock/f41-build-side-1-2671353-29139/root/chroot_tmpdir/scmroot/xfconf'...
$ git fetch origin abd6f89aca9bd5d6aa7ddaf61e9791f3bb4097e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfconf
 * [new ref]         abd6f89aca9bd5d6aa7ddaf61e9791f3bb4097e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abd6f89 convert GPLv2 license to SPDX