{ pkgs, ... }:

  pkgs.writeShellApplication {
    name = "my-script";
    runtimeInputs = with pkgs; [ hugo ];
    text = ''
      cat hugo/content/header.md result/home.md | sed "s/DATE-TIMESTAMP/$(date -u +%Y-%m-%d)/g" > hugo/content/home-manager/index.md
      cat hugo/content/header.md result/nixos.md | sed "s/DATE-TIMESTAMP/$(date -u +%Y-%m-%d)/g" > hugo/content/nixos/index.md
      cd hugo
      hugo
    '';
  }