update, add orca slicer

users/josh/home_manager/slicer.nix

@@ -1,4 +1,33 @@
 { pkgs, ... }:
+let
+  orca-slicer-fix = pkgs.stdenv.mkDerivation {
+    name = "orca-slicer";
+    buildInputs = [ pkgs.makeWrapper ];
+    unpackPhase = "true";
+    buildPhase = ''
+      mkdir -p $out/bin
+      makeWrapper ${pkgs.orca-slicer}/bin/orca-slicer $out/bin/orca-slicer \
+        --set WEBKIT_DISABLE_DMABUF_RENDERER 1
+    '';
+
+    installPhase = ''
+      mkdir -p $out/share/applications
+      cat > $out/share/applications/orca-slicer.desktop <<EOF
+      [Desktop Entry]
+      Name=Orca Slicer
+      Comment=3D printing slicer
+      Exec=$out/bin/orca-slicer
+      Icon=orca-slicer
+      Terminal=false
+      Type=Application
+      Categories=Graphics;3DGraphics;
+      EOF
+    '';
+  };
+in
 {
-  home.packages = [ pkgs.prusa-slicer ];
+  home.packages = with pkgs; [
+    prusa-slicer
+    orca-slicer-fix
+  ];
 }