For all my #nix users out there with a need for java, I've been working on a nix flake for the adoptopenjdk style OpenJDK distros, with support for temurin and semeru.

I need to slighlty decursify my updater and get it running automatically in github actions, and write a readme, but it's otherwise ready to use:

https://github.com/nathans-flakes/java