I run fish. I was able to get long-option completion for gcc, polybar, firefox, man, emacs, xrandr, and fish itself. The only command I was not able to get long

I run fish. I was able to get long-option completion for gcc, polybar, firefox, man, emacs, xrandr, and fish itself. The only command I was not able to get long-option completion for was xinput. You just picked a bad program to try.