nixos-config/home-manager/modules/emacs/default.nix

{
  pkgs,
  config,
  lib,
  ...
}:
with lib; let
  cfg = config.eboskma.programs.emacs;
  emacs = pkgs.emacsPgtkGcc;
  orgProtocolDesktop = pkgs.makeDesktopItem {
    name = "org-protocol";
    desktopName = "Emacs Org Protocol Handler";
    icon = "emacs";
    categories = ["Development" "TextEditor"];
    keywords = ["org-protocol"];
    type = "Application";
    exec = "${emacs}/bin/emacsclient -- %u";
    terminal = false;
    mimeTypes = ["x-scheme-handler/org-protocol"];
    startupWMClass = "Emacs";
  };
in {
  options.eboskma.programs.emacs = {
    enable = mkEnableOption "activate emacs";
    daemon = mkOption {
      description = "Whether to enable emacs daemon";
      type = types.bool;
      default = true;
      example = false;
    };
  };

  config = mkIf (cfg.enable) {
    programs.emacs = {
      enable = true;
      package = pkgs.emacsPgtkGcc;
    };

    services.emacs = mkIf (cfg.daemon) {
      enable = true;
      package = emacs;
      client.enable = true;
      socketActivation.enable = true;
    };

    home.packages = with pkgs; [
      (texlive.combine {
        inherit (texlive) scheme-small wrapfig ulem capt-of;
      })
      orgProtocolDesktop
    ];
  };
}