$ git clone -n https://src.fedoraproject.org/rpms/xfce4-dict.git /var/lib/mock/f45-build-38759-728/root/chroot_tmpdir/scmroot/xfce4-dict
Cloning into '/var/lib/mock/f45-build-38759-728/root/chroot_tmpdir/scmroot/xfce4-dict'...
$ git fetch origin eee7fac67d436376310c3d2097ff41139ce931df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-dict
 * [new ref]         eee7fac67d436376310c3d2097ff41139ce931df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eee7fac Update to 0.8.10 + spec cleanup and modernization