#!/bin/sh

if [ ! -f nix-portable ]; then
  curl -LO https://github.com/DavHau/nix-portable/releases/download/v008/nix-portable
  chmod +x nix-portable

  ./nix-portable nix-channel --add https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-21.05-small.tar.gz nixos
  ./nix-portable nix-channel --update
  ./nix-portable nix-shell -p cachix --run "cachix use pn"
fi

NP_MINIMAL=1 ./nix-portable nix-shell