diff --git a/users/home-manager/foo-dogsquared/default.nix b/users/home-manager/foo-dogsquared/default.nix
index 167cea68..0ec7e47f 100644
--- a/users/home-manager/foo-dogsquared/default.nix
+++ b/users/home-manager/foo-dogsquared/default.nix
@@ -353,4 +353,13 @@ in
       extraArgs = [ "--depth" "1" ];
     };
   };
+
+  systemd.user.services.fetch-mutable-files = {
+    Service.ExecStartPost = pkgs.writeScript "${config.home.username}-post-fetch-mutable-files" ''
+      #!${pkgs.runtimeShell}
+
+      # Automate installation of Doom Emacs.
+      ${config.xdg.configHome}/emacs/bin/doom install --no-config --no-fonts --install --force
+    '';
+  };
 }