diff --git a/hosts/nixos/default.nix b/hosts/nixos/default.nix
index 1a6ee89..b20e9f2 100644
--- a/hosts/nixos/default.nix
+++ b/hosts/nixos/default.nix
@@ -99,6 +99,10 @@
             command = "/etc/profiles/per-user/blake/bin/nom-build";
             options = ["NOPASSWD"];
           }
+          {
+            command = "/etc/profiles/per-user/blake/bin/nom-shell";
+            options = ["NOPASSWD"];
+          }
         ];
       }
     ];
diff --git a/users/blake/dots/core/xdg/default.nix b/users/blake/dots/core/xdg/default.nix
index 2b74152..f26a042 100644
--- a/users/blake/dots/core/xdg/default.nix
+++ b/users/blake/dots/core/xdg/default.nix
@@ -13,13 +13,11 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
-    home.packages = with pkgs; [xdg-ninja];
+    home.packages = with pkgs; [xdg-ninja ];
 
-    xdg =
-      if pkgs.system == "x86_64-darwin"
-      then {}
-      else {
+    xdg = {
         enable = true;
+
         configHome = "${home_dir}/.config";
         cacheHome = "${home_dir}/.cache";
         dataHome = "${home_dir}/.local/share";
@@ -37,6 +35,10 @@ in {
           publicShare = "${home_dir}/public";
           templates = "${home_dir}/templates";
         };
+
+      #        mimeApps = {
+      #          "<type>" = ["<desktop file>"]
+      #        };        
       };
 
     # misc env variables to get things out of ~ (<3 xdg-ninja)
diff --git a/users/blake/dots/core/zsh/default.nix b/users/blake/dots/core/zsh/default.nix
index 2f4e305..37ae27b 100644
--- a/users/blake/dots/core/zsh/default.nix
+++ b/users/blake/dots/core/zsh/default.nix
@@ -64,6 +64,8 @@ in {
         v = "nvim";
         sv = "sudo nvim";
         vim = "nvim";
+        mime-type = "xdg-mime query filetype";
+        mime-default = "xdg-mime query default";
 
         # --- safety ---
         cp = "cp -iv";