$ git clone -n https://src.fedoraproject.org/rpms/python-PyPDF2.git /var/lib/mock/f40-build-2317690-58172/root/chroot_tmpdir/scmroot/python-PyPDF2
Cloning into '/var/lib/mock/f40-build-2317690-58172/root/chroot_tmpdir/scmroot/python-PyPDF2'...
$ git fetch origin 634f0cad8a0a3ddfc41eeff9b255e448b22a8b4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-PyPDF2
 * [new ref]         634f0cad8a0a3ddfc41eeff9b255e448b22a8b4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 634f0ca Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild