$ git clone -n https://src.fedoraproject.org/rpms/gotun.git /var/lib/mock/f40-build-2348550-60148/root/chroot_tmpdir/scmroot/gotun
Cloning into '/var/lib/mock/f40-build-2348550-60148/root/chroot_tmpdir/scmroot/gotun'...
$ git fetch origin 09c16297e871533dfef9bc9be8db4aecaad6639a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gotun
 * [new ref]         09c16297e871533dfef9bc9be8db4aecaad6639a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09c1629 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild