Formulae used to deploy command-line utilities related to OpenShift on Mac, these are not Linux compatible.
Two simple steps. First add the tap brew tap redhat-gpst/openshift
then install what you need brew install <formula>
or to be explicit and avoid any conflicts with core or other taps use brew install redhat-gpst/openshift/<formula>
brew install redhat-gpst/openshift/openshift-client
brew install redhat-gpst/openshift/openshift-install
brew install redhat-gpst/openshift/rosa
brew install redhat-gpst/openshift/openshift-install
brew install redhat-gpst/openshift/openshift-install
brew install redhat-gpst/openshift/odo
brew install redhat-gpst/openshift/opm