pkgs: epkgs:
let
  inherit (epkgs) melpaPackages nongnuPackages elpaPackages;

  buildEmacsPackage = args:
    epkgs.trivialBuild {
      pname = args.name;
      inherit (args) src;
      version = args.src.rev;
      propagatedUserEnvPkgs = args.deps;
      buildInputs = args.deps;
    };

  # *Attrset* containig extra emacs packages
  extraPackages = {
    combobulate = buildEmacsPackage {
      name = "combobulate";
      src = pkgs.fetchFromGitHub {
        owner = "mickeynp";
        repo = "combobulate";
        rev = "e9c5be84062e8183f556d7133d5a477a57e37e51";
        hash = "sha256-r6jObsYx7RRTJUmrCN5h3+0WcHqJA67emhr4/W3rBrM=";
      };
      deps = [ ];
    };
  };

  # *List* containing emacs packages from (M)ELPA
  mainPackages = builtins.filter
    # if an extra package has the same name then give precedence to it
    (package: !builtins.elem package.pname (builtins.attrNames extraPackages))
    (with melpaPackages; [
      meow
      meow-tree-sitter
      dracula-theme
      nord-theme
      catppuccin-theme
      modus-themes
      # solaire-mode
      nerd-icons
      nerd-icons-completion
      nerd-icons-ibuffer
      nerd-icons-dired
      ligature
      treemacs-nerd-icons
      eshell-syntax-highlighting
      fish-completion # fish completion for eshell
      eshell-prompt-extras
      eshell-atuin
      eshell-command-not-found
      clipetty
      sideline
      consult-eglot
      # sideline-flymake
      rainbow-delimiters
      vertico
      marginalia
      consult
      orderless
      embark
      embark-consult
      magit
      magit-delta
      magit-todos
      difftastic
      with-editor
      diff-hl
      corfu
      cape
      which-key
      nix-mode
      nix-ts-mode
      agenix
      zig-mode
      unisonlang-mode
      purescript-mode
      dhall-mode
      envrc
      inheritenv
      popper
      paredit
      yaml-mode
      hl-todo
      markdown-mode
      haskell-mode
      terraform-mode
      diredfl
      org-modern
      org-roam
      org-roam-ql
      org-roam-ui
      visual-fill-column
      consult-org-roam
      pass
      password-store-otp
      eldoc-box
      go-translate
      notmuch
      consult-notmuch
      poly-org
      casual
      gptel
      agenix
      solidity-mode
      # org-re-reveal # FIXME very not nice hash mismatch when building
      # gptel # TODO uncomment when there will be a new release including GPT-4o 
    ]) ++ (with elpaPackages; [ delight kind-icon ef-themes indent-bars ement ])
    ++ (with nongnuPackages; [ eat corfu-terminal haskell-ts-mode ]);
in mainPackages ++ (builtins.attrValues extraPackages)