nichts/modules/programs/editors/emacs/module.nix

{
  config,
  lib,
  pkgs,
  inputs,
  ...
}: let
  cfg = config.modules.system.programs.editors.emacs;
  inherit (config.modules.other.system) username;
  inherit (lib) mkIf;

  # Taken from outfoxxed since figuring this out is really annoying.
  pkgswithemacs =
    pkgs.appendOverlays
    (with inputs.emacs-overlay.overlays; [
      emacs
      package
    ]);

  custom-emacs = with pkgswithemacs; ((emacsPackagesFor
      (emacs29-pgtk.override {
        withNativeCompilation = true;
        withTreeSitter = true;
      }))
    .emacsWithPackages (epkgs:
      with epkgs; [
        treesit-grammars.with-all-grammars
        vterm
      ]));
in {
  config = mkIf cfg.enable {
    home-manager.users.${username} = {
      imports = [inputs.nix-doom-emacs-unstraightened.hmModule];
      programs.doom-emacs = {
        enable = true;
        # doomDir = ./doom;
        emacs = custom-emacs;
        extraBinPackages = with pkgs; [git python3 pinentry-tty];
        extraPackages = epkgs:
          with epkgs; [
            vterm
            treesit-grammars.with-all-grammars
            eshell-prompt-extras
            esh-autosuggest
            fish-completion
            esh-help
            eshell-syntax-highlighting
            pinentry
          ];
        provideEmacs = true;
        # experimentalFetchTree = true;
      };
      home.packages = with pkgs; [
        # needed my native-comp
        binutils
        # Emacs itself
        custom-emacs

        # Doom dependencies
        git
        ripgrep
        gnutls

        ## Optional dependencies
        fd # faster projectile indexing
        imagemagick # for image-dired
        # (mkIf (config.programs.gnupg.agent.enable)
        #   pinentry-emacs) # in-emacs gnupg prompts
        zstd # for undo-fu-session/undo-tree compression
        nodePackages.prettier
        # Module dependencies
        # :checkers spell
        (aspellWithDicts (ds: with ds; [de en en-computers en-science]))
        # :tools editorconfig
        editorconfig-core-c # per-project style config
        # :tools lookup & :lang org +roam
        sqlite
        # :lang latex & :lang org (latex previews)
        texlive.combined.scheme-medium
        # :lang beancount
        # beancount
        # fava
        # :lang nix
        age
      ];
    };
  };
}