$ git clone -n https://src.fedoraproject.org/rpms/sundials.git /var/lib/mock/f42-bootstrap-3462949-45593/root/chroot_tmpdir/scmroot/sundials
Cloning into '/var/lib/mock/f42-bootstrap-3462949-45593/root/chroot_tmpdir/scmroot/sundials'...
$ git fetch origin 68ac642c3e460c3142f6911b5f6706d57ffde16f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sundials
 * [new ref]         68ac642c3e460c3142f6911b5f6706d57ffde16f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68ac642 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild