Nixos update 06-10-2025, add zulu java 22

machines/fujin/main/default.nix

@@ -9,6 +9,10 @@
     #./sops.nix
   ];
 
+  nixpkgs.overlays = [
+    (import ./overlays/zulu22.nix)
+  ];
+
   users.users.${username} = {
     description = "NixOS Omen Laptop";
     hashedPassword =

machines/fujin/main/overlays/zulu22.nix

@@ -0,0 +1,43 @@
+final: prev: {
+  zulu22 = prev.callPackage ({ lib, stdenv, fetchurl, makeWrapper, setJavaClassPath }:
+    let
+      platform = if stdenv.isLinux then "linux"
+                 else if stdenv.isDarwin then "macos"
+                 else throw "Unsupported platform";
+
+      arch = if stdenv.isx86_64 then "x64"
+             else if stdenv.isAarch64 then "aarch64"
+             else throw "Unsupported architecture";
+
+      version = "22.32.21";
+
+      hashes = {
+        "linux-x64" = "sha256-8fvtwOc/aXHnufwjNTvv9iB9ZIFRWhFmdLix9NtthEE=";
+        "linux-aarch64" = "sha256-3RLNNEbMk5wAZsQmbQj/jpx9iTL/yr9N3wL4t7m6c+s=";
+        "macos-x64" = "sha256-Y6PSNQjHRXukwux2sVbvpTIqT+Cg+KeG1C0iSEwyKZw=";
+        "macos-aarch64" = "sha256-o0VkWB4+PzBmNNWy+FZlyjTgukBTe6owfydb3YNfEE0=";
+      };
+
+    in stdenv.mkDerivation {
+      pname = "zulu";
+      inherit version;
+
+      src = fetchurl {
+        url = "https://cdn.azul.com/zulu/bin/zulu22.32.21-ca-crac-jdk22.0.2-linux_x64.tar.gz";
+        hash = hashes."${platform}-${arch}";
+      };
+
+      nativeBuildInputs = [ makeWrapper ];
+
+      installPhase = ''
+        mkdir -p $out
+        cp -r ./* $out/
+      '';
+
+      meta = with lib; {
+        description = "Certified builds of OpenJDK";
+        platforms = platforms.linux ++ platforms.darwin;
+      };
+    }
+  ) {};
+}