$ git clone -n https://src.fedoraproject.org/rpms/python-niaclass.git /var/lib/mock/f40-build-2351581-60188/root/chroot_tmpdir/scmroot/python-niaclass
Cloning into '/var/lib/mock/f40-build-2351581-60188/root/chroot_tmpdir/scmroot/python-niaclass'...
$ git fetch origin f3012b1aa16b642b8627d58e7cde68e7cab0b571:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-niaclass
 * [new ref]         f3012b1aa16b642b8627d58e7cde68e7cab0b571 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3012b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild