First drop a line about which package you are about to land into IRC ‘#rpmfusion-admin’ and why.
Also don’t forget to clean-up older packages in overrides as the repo will override even newer EVR packages.
ssh koji.rpmfusion.org -A
git clone https://github.com/rpmfusion-infra/rpmfusion-tools.git ~/bin
umask 002
newgrp sysadmin-build
cd /mnt/koji/buildsys-override
cd f43-free
koji -q -p koji-fedora download-build gstreamer1-plugins-bad-free-1.26.10-1.fc43
rpm-dispatch
koji-rpmfusion regen-repo f43-free-build --nowait
koji-rpmfusion regen-repo f43-free-multilibs-build --nowait