$ git clone -n https://src.fedoraproject.org/rpms/python-boututils.git /var/lib/mock/f40-build-2486542-61645/root/chroot_tmpdir/scmroot/python-boututils
Cloning into '/var/lib/mock/f40-build-2486542-61645/root/chroot_tmpdir/scmroot/python-boututils'...
$ git fetch origin b291ef4831b1a7a3d21993f4d9bfb0a5744124ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-boututils
 * [new ref]         b291ef4831b1a7a3d21993f4d9bfb0a5744124ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b291ef4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild