$ git clone -n https://src.fedoraproject.org/rpms/sundials.git /var/lib/mock/f41-build-side-1-2966224-35799/root/chroot_tmpdir/scmroot/sundials
Cloning into '/var/lib/mock/f41-build-side-1-2966224-35799/root/chroot_tmpdir/scmroot/sundials'...
$ git fetch origin 617689d78646884a616da324e1df80da40751bc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sundials
 * [new ref]         617689d78646884a616da324e1df80da40751bc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 617689d Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild