$ git clone -n https://src.fedoraproject.org/rpms/rcssserver3d.git /var/lib/mock/f40-build-2107389-50596/root/chroot_tmpdir/scmroot/rcssserver3d
Cloning into '/var/lib/mock/f40-build-2107389-50596/root/chroot_tmpdir/scmroot/rcssserver3d'...
$ git fetch origin eaa0f020b0ef2d55ce4315e8c5e410228f0c1053:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rcssserver3d
 * [new ref]         eaa0f020b0ef2d55ce4315e8c5e410228f0c1053 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaa0f02 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild