# https://discourse.nixos.org/t/system-wide-installation-of-gradle-and-jdk/11305/4
{ config, pkgs, ...}:
let
  jdkEnv = pkgs.runCommand "jdk-env" {
    buildInputs = with pkgs; [
      pkgs.jetbrains.jdk-no-jcef
      pkgs.jetbrains.jdk-no-jcef-17
    ];
 } ''
    mkdir -p $out/jdks
    ln -s ${pkgs.jetbrains.jdk-no-jcef}/lib/openjdk      $out/jdks/jdk-no-jcef
    ln -s ${pkgs.jetbrains.jdk-no-jcef-17}/lib/openjdk   $out/jdks/jdk-no-jcef-17
  '';
in {
  environment.systemPackages = [
    jdkEnv
  ];
  systemd.tmpfiles.rules = [
    "d /opt 755 root root -"
    "L+ /opt/java - - - - ${jdkEnv}/jdks"
  ];
}