nixos-generators

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Perhaps there is already a simple way to do this that I am missing, but I'd like to be able to generate a graphical installer ISO from an existing configuration file so that I can then install my desired config on a new machine without needing to learn the cli installer.

A custom installer doesn't effect the code generated by running the installer, so this wouldn't improve bootstrapping ergonomics. What I would use would be a way to prefill some of the code the installer generates, most importantly substituters and vim.

Right now my flow for spinning up a new machine (hardware problems so reinstalling a lot lately) isn't ideal, because I have a bunch of stuff to do before I pull my real config from github.

Wouldn't this be just using the iso target an include the same nixos installer profiler that is used in NixOS to generate the Gnome-based installer?

prefill some of the code the installer generates, most importantly substituters and vim

How could one do that?

EDIT: found this blog post I'm going to try following https://haseebmajid.dev/posts/2024-02-04-how-to-create-a-custom-nixos-iso/