$ git clone -n https://src.fedoraproject.org/rpms/kf6-knotifyconfig.git /var/lib/mock/f42-build-side-1-3573584-46768/root/chroot_tmpdir/scmroot/kf6-knotifyconfig
Cloning into '/var/lib/mock/f42-build-side-1-3573584-46768/root/chroot_tmpdir/scmroot/kf6-knotifyconfig'...
$ git fetch origin c4e09f09494b78be5c197f8cfdd079fa095ac22a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knotifyconfig
 * [new ref]         c4e09f09494b78be5c197f8cfdd079fa095ac22a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4e09f0 6.15 and plasma 3.4 compatibility rebuild