See https://mailman-int.corp.redhat.com/archives/rhel-devel/2021-April/msg00049.html
(cd /etc/yum.repos.d; sudo curl -O --location https://download.devel.redhat.com/rel-eng/RCMTOOLS/rcm-tools-fedora.repo)
sudo dnf install -y rhpkg
+# CentOS stream
+sudo dnf copr enable -y james/centpkg
+sudo dnf install -y centpkg streamkoji
+
# coverity
sudo dnf copr enable -y copr.devel.redhat.com/kdudka/covscan
sudo dnf install -y covscan-client