Same Emacs

common/base-packages.nix

@@ -22,7 +22,10 @@
   #
   # TODO: Resolve the disparity.
   ((emacsPackagesFor emacs-unstable).emacsWithPackages
-    (epkgs: with epkgs; [ treesit-grammars.with-all-grammars ]))
+    (epkgs: with epkgs; [
+      treesit-grammars.with-all-grammars
+      mu4e
+    ]))
   notmuch mu isync
   keychain ledger gnupg
   ledger2beancount beancount

common/exwm.nix

@@ -1,5 +1,12 @@
 { config, pkgs, ... }:
-
+let
+  emacs =
+    ((pkgs.emacsPackagesFor pkgs.emacs-unstable).emacsWithPackages
+      (epkgs: with epkgs; [
+        treesit-grammars.with-all-grammars
+        mu4e
+      ]));
+in
 {
   environment.systemPackages = with pkgs; [
     picom
@@ -12,7 +19,7 @@
     windowManager.session = [{
       name = "my-exwm";
       start = ''
-        ${pkgs.emacs-unstable}/bin/emacs -l /home/benson/.emacs.d/init.el
+        ${emacs}/bin/emacs -l /home/benson/.emacs.d/init.el
       '';
     }];
 

home/users/benson.nix

@@ -101,11 +101,9 @@
         (pkgs.emacsPackagesFor pkgs.emacs-unstable)
           .emacsWithPackages (epkgs: with epkgs; [
             treesit-grammars.with-all-grammars
+            mu4e
           ]));
       enable = true;
-      extraPackages = epkgs: with epkgs; [
-        mu4e
-      ];
     };
 
     direnv = {