attempt to fix flatpaks not appearing in tofi

users/blake/dots/core/xdg/default.nix

@@ -36,9 +36,12 @@ in {
           templates = "${home_dir}/templates";
         };
 
-      #        mimeApps = {
-      #          "<type>" = ["<desktop file>"]
-      #        };        
+        mimeApps = {
+          enable = true;
+          defaultApplications = {
+            "application/pdf" = ["org.pwmt.zathura.desktop"];
+          };
+        };        
       };
 
     # misc env variables to get things out of ~ (<3 xdg-ninja)

users/blake/dots/programs/_flatpak/default.nix

@@ -21,6 +21,10 @@ in {
 
   config = lib.mkIf cfg.enable {
 
+    home.sessionVariables = {
+      XDG_DATA_DIRS = "$XDG_DATA_DIRS:/usr/share:/var/lib/flatpak/exports/share:$HOME/.local/share/flatpak/exports/share";
+    };
+
     # install the cli
     home.packages = with pkgs; [ flatpak ];