nixos/pkgs/inject-darwin.nix

{
  writeShellApplication,
  coreutils,
  curl,
  gnutar,
  nix,
  ...
}:
writeShellApplication {
  name = "inject-darwin";
  runtimeInputs = [
    coreutils
    curl
    gnutar
    nix
  ];
  text = ''
    dir="$(mktemp -d)"
    cd "''${dir}"

    # Install nix-darwin
    nix-build https://github.com/LnL7/nix-darwin/archive/master.tar.gz -A installer
    ./result/bin/darwin-installer

    # Get my configuration
    mkdir -p ~/.config/darwin
    cd ~/.config/darwin
    curl -O -L https://github.com/greg-hellings/nixos-config/archive/refs/heads/main.tar.gz
    tar xvzf main.tar.gz --strip-components 1

    # Build NixOS for this system
    pushd "''${dir}"
    nix build "''${HOME}/.config/darwin#darwinConfigurations.$(hostname -s).system"
    ./result/sw/bin/darwin-rebuild switch --flake ~/.config/darwin
    popd
    rm -r "''${dir}"
  '';
}