$ git clone -n https://src.fedoraproject.org/rpms/k4dirstat.git /var/lib/mock/f41-build-851860-166100/root/chroot_tmpdir/scmroot/k4dirstat
Cloning into '/var/lib/mock/f41-build-851860-166100/root/chroot_tmpdir/scmroot/k4dirstat'...
$ git fetch origin f0b9492f82bce5a6c04ad8d44f3762e6cbfa5885:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/k4dirstat
 * [new ref]         f0b9492f82bce5a6c04ad8d44f3762e6cbfa5885 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0b9492 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild