1. Install Nix

curl -sL -o nix-installer "https://github.com/DeterminateSystems/nix-installer/releases/download/v0.16.1/nix-installer-aarch64-darwin"
chmod +x ./nix-installer
./nix-installer install

2. Run nix-darwin

nix run nix-darwin -- --flake ~/code/mattjbray/dotfiles/nix-darwin switch

Non-nix (old) - provision.sh

/bin/bash <(curl -sL "https://github.com/mattjbray/dotfiles/raw/master/.local/bin/provision.sh")