$ git clone -n https://src.fedoraproject.org/rpms/python-stuf.git /var/lib/mock/f39-build-1426612-31602/root/chroot_tmpdir/scmroot/python-stuf
Cloning into '/var/lib/mock/f39-build-1426612-31602/root/chroot_tmpdir/scmroot/python-stuf'...
$ git fetch origin b76f0e8036c3d0b4e189af68adf6b1d8eb9597fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-stuf
 * [new ref]         b76f0e8036c3d0b4e189af68adf6b1d8eb9597fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b76f0e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild