Try out building with nix

[lucasw]

Use 22.04 or 24.04 or debian or something else as the build environment.

Start here:
https://github.com/lopsided98/nix-ros-overlay

Also maybe this:
https://github.com/hacker1024/nix-ros-workspace

How to install nix from source itself?

Or don't bother with that, just try it out in docker first and use the website install method (that annoyingly requires running a shell script from the website)