$ git clone -n https://src.fedoraproject.org/rpms/k4dirstat.git /var/lib/mock/f40-build-2275768-55103/root/chroot_tmpdir/scmroot/k4dirstat
Cloning into '/var/lib/mock/f40-build-2275768-55103/root/chroot_tmpdir/scmroot/k4dirstat'...
$ git fetch origin 70c52b9e9f72466c916e0369f3621f9f18b3144b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/k4dirstat
 * [new ref]         70c52b9e9f72466c916e0369f3621f9f18b3144b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70c52b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild