$ git clone -n https://src.fedoraproject.org/rpms/unuran.git /var/lib/mock/f40-build-2331763-59108/root/chroot_tmpdir/scmroot/unuran
Cloning into '/var/lib/mock/f40-build-2331763-59108/root/chroot_tmpdir/scmroot/unuran'...
$ git fetch origin b705cfa8094ebd485f98586affe4f55bae66c736:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unuran
 * [new ref]         b705cfa8094ebd485f98586affe4f55bae66c736 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b705cfa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild