$ git clone -n https://src.fedoraproject.org/rpms/kf6-knotifyconfig.git /var/lib/mock/f42-build-862208-170689/root/chroot_tmpdir/scmroot/kf6-knotifyconfig
Cloning into '/var/lib/mock/f42-build-862208-170689/root/chroot_tmpdir/scmroot/kf6-knotifyconfig'...
$ git fetch origin b4568b24390771857e77544790dc22c692d330fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knotifyconfig
 * [new ref]         b4568b24390771857e77544790dc22c692d330fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4568b2 6.8.0