$ git clone -n https://src.fedoraproject.org/rpms/initial-setup.git /var/lib/mock/f42-bootstrap-3533751-46421/root/chroot_tmpdir/scmroot/initial-setup
Cloning into '/var/lib/mock/f42-bootstrap-3533751-46421/root/chroot_tmpdir/scmroot/initial-setup'...
$ git fetch origin 85733e0cf34ac4f85fa5ea91aab68e2babe13e7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/initial-setup
 * [new ref]         85733e0cf34ac4f85fa5ea91aab68e2babe13e7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85733e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild