{ ... }:
{
  programs.fish = {
    enable = true;
    # nixpkgs' devenv only ships fish completions, not the auto-loaded hook.
    interactiveShellInit = ''
      devenv hook fish | source
    '';
  };

  programs.bash = {
    enable = true;
    bashrcExtra = "eval \"$(devenv hook bash)\"\n";
  };

  programs.git.enable = true;
}