push

modules/software/gaming/minecraft.nix

@@ -1,9 +1,9 @@
 { inputs, ... }: {
   den.aspects.minecraft = {
     nixos = { pkgs, ... }: let
-      inherit (pkgs) fetchurl;
+      inherit (pkgs) fetchurl symlinkJoin makeWrapper;
 
-      minecraft = (inputs.minecraft.legacyPackages.${pkgs.stdenv.hostPlatform.system}.v1_21_11.fabric.client.withConfig [{
+      base = (inputs.minecraft.legacyPackages.${pkgs.stdenv.hostPlatform.system}.v1_21_11.fabric.client.withConfig [{
         mods = [
           (fetchurl {
             name = "fabric-api.jar";
@@ -99,9 +99,21 @@
             sha256 = "sha256:1w33kyknwc0qsi6l0saww906iwi9d3hkn0nm7hnl4bc3lws0d8i4";
           })
         ];
+
+        appArgs = [ "--gameDir" "/home/bug/.local/share/minecraft" ];
+      };
+
+      minecraft = symlinkJoin {
+        name = "minecraft-wrapped";
+        paths = [ base ];
+        nativeBuildInputs = [ makeWrapper ];
+        postBuild = ''
+          wrapProgram $out/bin/minecraft \
+            --set XDG_DATA_HOME "/home/bug/.local/share/minecraft"
+        '';
       };
     in {
-      users.users.bug.packages = [ minecraft];
+      users.users.bug.packages = [ minecraft ];
     };
   };
 }