Script dependencies with Nix

If you want to run your Nix stuff on systems without Nix (let alone NixOS), nix bundle can turn them into self-contained files, including all their dependencies. I've used its "arx" output (a form of self-extracting-then-executing tarball) to put a new JVM on an old AWS AMI; and there are also outputs for RPM and Deb packages, etc.

For even simpler scripts, you can use the Nix-shell shebang