{
  config,
  pkgs,
  unstable,
  inputs,
  nix-your-shell,
  ...
}:

{

  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  # Set your time zone.
  time.timeZone = "Australia/Melbourne";

  fonts = {
    fontDir.enable = true;
    enableGhostscriptFonts = true;
    packages = with pkgs; [
      nerdfonts
      # berkeley-mono-typeface
    ];
  };

  programs.firefox.enable = true;

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  programs.fish = {
    enable = true;
    interactiveShellInit = ''
      nix-your-shell fish | source
    '';
  };

  programs.bash = {
    interactiveShellInit = ''
      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
      then
        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
        exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
      fi
    '';
  };

}