$ git clone -n https://src.fedoraproject.org/rpms/kf6-kuserfeedback.git /var/lib/mock/f40-build-2480451-61626/root/chroot_tmpdir/scmroot/kf6-kuserfeedback
Cloning into '/var/lib/mock/f40-build-2480451-61626/root/chroot_tmpdir/scmroot/kf6-kuserfeedback'...
$ git fetch origin e2b09c37db708572bb2d0255254bf761315aacf1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kuserfeedback
 * [new ref]         e2b09c37db708572bb2d0255254bf761315aacf1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2b09c3 6.0.0