$ git clone -n https://src.fedoraproject.org/rpms/389-ds-base.git /var/lib/mock/f41-build-side-1-3130715-39596/root/chroot_tmpdir/scmroot/389-ds-base
Cloning into '/var/lib/mock/f41-build-side-1-3130715-39596/root/chroot_tmpdir/scmroot/389-ds-base'...
$ git fetch origin b3f6ccd011c449187902ec741aa42fbd2900d447:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/389-ds-base
 * [new ref]         b3f6ccd011c449187902ec741aa42fbd2900d447 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3f6ccd Resolves: VLV errors in Fedora 40 with RSNv3 and pruning enabled (rhbz#2317851)