added emacs overlay

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "emacs-overlay": {
+      "locked": {
+        "lastModified": 1631265331,
+        "narHash": "sha256-B7Z8pPFRGEEh+APOvneIHSLQk33QK9bh5l8gI9tSD74=",
+        "owner": "nix-community",
+        "repo": "emacs-overlay",
+        "rev": "2ff125e11371b88b1c4edeaa6f96355fbfee96da",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "emacs-overlay",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "locked": {
         "lastModified": 1629481132,
@@ -70,6 +85,7 @@
     },
     "root": {
       "inputs": {
+        "emacs-overlay": "emacs-overlay",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
         "picom": "picom",

flake.nix

@@ -2,16 +2,18 @@
   description = "My awesome system config";
   
   inputs = {
-    nixpkgs.url = github:nixos/nixpkgs/release-21.05;
-    unstable.url = github:nixos/nixpkgs/nixos-unstable;
-    utils.url = github:gytis-ivaskevicius/flake-utils-plus/release-1.2.0-without-deprecated-code;
+    nixpkgs.url = "github:nixos/nixpkgs/release-21.05";
+    unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+    utils.url = "github:gytis-ivaskevicius/flake-utils-plus/release-1.2.0-without-deprecated-code";
+
+    emacs-overlay.url = "github:nix-community/emacs-overlay";
 
     home-manager = {
-      url = github:nix-community/home-manager/release-21.05;
+      url = "github:nix-community/home-manager/release-21.05";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     picom = {
-      url = github:jonaburg/picom;
+      url = "github:jonaburg/picom";
       flake = false;
     };
   };

modules/emacs/default.nix

@@ -1,9 +1,11 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, inputs, ... }:
 
 let
   base = {
     programs.emacs.enable = true;
+    programs.emacs.package = pkgs.emacsGit;
     services.emacs.enable = true;
+    services.emacs.package = pkgs.emacsGit;
 
     xdg = {
       enable = true;
@@ -24,8 +26,43 @@ let
         };
       };
     };
+
+    home.packages = with pkgs; [
+      ## Emacs itself
+      binutils       # native-comp needs 'as', provided by this
+      # emacsPgtkGcc   # 28 + pgtk + native-comp
+      # ((emacsPackagesNgGen emacsPgtkGcc).emacsWithPackages (epkgs: [
+      #   epkgs.vterm
+      # ]))
+
+      ## Doom dependencies
+      git
+      (ripgrep.override {withPCRE2 = true;})
+      gnutls              # for TLS connectivity
+
+      ## Optional dependencies
+      fd                  # faster projectile indexing
+      imagemagick         # for image-dired
+      zstd                # for undo-fu-session/undo-tree compression
+
+      ## Module dependencies
+      # :checkers spell
+      (aspellWithDicts (ds: with ds; [
+        en en-computers en-science de
+      ]))
+      # :checkers grammar
+      languagetool
+      # :tools lookup & :lang org +roam
+      sqlite
+      # :lang latex & :lang org (latex previews)
+      texlive.combined.scheme-medium
+    ];
   };
 in
 {
+  nixpkgs.overlays = [ inputs.emacs-overlay.overlay ];
+
+  fonts.fonts = [ pkgs.emacs-all-the-icons-fonts ];
+
   home-manager.users.moritz = {...}: (base);
 }