[pxc]

> I gave up and switched back to Debian after I couldn't get a decent answer on how to set it up easily with my github keys to easily, y'know, check projects out. The mental gymnastics required wer silly.

Huh? NixOS doesn't require any special configuration to use SSH keys or Git or even SSH keys stored on special hardware like Yubikeys. What went wrong here, or did I misunderstand your use case?