$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxtesters.git /var/lib/mock/f40-build-2318930-58321/root/chroot_tmpdir/scmroot/python-sphinxtesters
Cloning into '/var/lib/mock/f40-build-2318930-58321/root/chroot_tmpdir/scmroot/python-sphinxtesters'...
$ git fetch origin f76afd21871197c16e0560255b32a6309af70a8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxtesters
 * [new ref]         f76afd21871197c16e0560255b32a6309af70a8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f76afd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild