Then I would look into home-manager and/or nix-darwin if you are on macOS. I think under the hood home-manager basically declaratively manages a Nix profile fo

Then I would look into home-manager and/or nix-darwin if you are on macOS. I think under the hood home-manager basically declaratively manages a Nix profile for you. You (or even better a home-manager managed .bash_profile) can then put that profile into your PATH.