$ git clone -n https://src.fedoraproject.org/rpms/kf6-kded.git /var/lib/mock/f42-build-side-1-3586038-46913/root/chroot_tmpdir/scmroot/kf6-kded
Cloning into '/var/lib/mock/f42-build-side-1-3586038-46913/root/chroot_tmpdir/scmroot/kf6-kded'...
$ git fetch origin ad592d470792bf73442ae3107dc1f3d46939c997:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kded
 * [new ref]         ad592d470792bf73442ae3107dc1f3d46939c997 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad592d4 6.16.0