nixos/pkgsets/emacs/doom-modeline.nix

{
  config,
  lib,
  pkgs,
  ...
}:
with lib;
  mkIf (elem "emacs::doom-modeline" config.machine.pkgs) {
    programs.emacs.init.usePackage.doom-modeline = {
      enable = true;
      hook = ["(after-init . doom-modeline-mode)"];
      config = ''
        (setq doom-modeline-icon t)
        (setq doom-modeline-height 25)
        (setq doom-modeline-bar-width 3)
        ;; The default priority of detection is `ffip' > `projectile' > `project'.
        (setq doom-modeline-project-detection 'project)
        (setq doom-modeline-buffer-file-name-style 'truncate-upto-project)
        (setq doom-modeline-unicode-fallback nil)

        (setq doom-modeline--battery-status t)
      '';
    };
  }