Taking a wild guess here, but based on your previous post, this is probably what you want:
sudo curl --output-dir "/etc/yum.repos.d/" --remote-name https://copr.fedorainfracloud.org/coprs/errornointernet/mergerfs/repo/fedora-39/errornointernet-mergerfs-fedora-39.repo
sudo rpm-ostree refresh-md --force