emacs: tangle config.org on rebuild

home/profiles/emacs/default.nix

@@ -12,7 +12,7 @@ let
 in {
   programs.doom-emacs = {
     enable = true;
-    doomPrivateDir = ./doom.d;
+    doomPrivateDir = pkgs.callPackage ./doom.d { };
   };
 
   home.packages = with pkgs;

home/profiles/emacs/doom.d/default.nix

@@ -3,12 +3,17 @@
 stdenv.mkDerivation {
   pname = "emacs-config";
   inherit version;
-  src = lib.sourceByRegex ./. [ "config.org" "init.el" ];
+  src = lib.sourceByRegex ./. [
+    "config.org"
+    "init.el"
+    "packages.el"
+    "modules(/.*)?"
+  ];
 
   buildInputs = [ emacs ];
 
   buildPhase = ''
-    cp $src/* .
+    cp -r $src/* .
     # Tangle org files
     emacs --batch -Q \
       -l org \
@@ -20,5 +25,6 @@ stdenv.mkDerivation {
 
   installPhase = ''
     install -D -t $out *.el
+    cp -r modules $out/
   '';
 }