I love nix if only because for a given project apt/yum/pacman updating my host won’t break things, the environment is replicable easily, and cross compile envir

I love nix if only because for a given project apt/yum/pacman updating my host won’t break things, the environment is replicable easily, and cross compile environments are a breeze. It’s like pythons virtualenv on steroids and it’s freakin awesome. The build never breaks until I decide to update something, even the compiler!