$ git clone -n https://src.fedoraproject.org/rpms/python-fb-re2.git /var/lib/mock/f41-build-812554-148420/root/chroot_tmpdir/scmroot/python-fb-re2
Cloning into '/var/lib/mock/f41-build-812554-148420/root/chroot_tmpdir/scmroot/python-fb-re2'...
$ git fetch origin b426f50bf0caa090f467b8bd49b653e351f40c41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fb-re2
 * [new ref]         b426f50bf0caa090f467b8bd49b653e351f40c41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b426f50 Rebuilt for Python 3.13