Just got ComfyUI running on NixOS 🚀 NVIDIA + CUDA + uv + direnv, no global Python, no home dir mess.

Took less time than expected. Will write a proper blog post later.

Right now I keep all my Nix files centralized, build on my desktop, and push changes with nixos-rebuild --target-host. Thinking about experimenting with disko + nixos-anywhere next.

• nix-community/disko: Declarative disk partitioning and formatting using nix [maintainers=@Lassulus @Enzime @iFreilicht @Mic92 @phaer]
• nix-community/nixos-anywhere: Install NixOS everywhere via SSH [maintainers=@Mic92 @Lassulus @phaer @Enzime @a-kenji]

After nix flake update nixpkgs-unstable, the build failed because it tried to evaluate tree-sitter-razor, which is marked as meta.broken, even though I do not use Razor at all.

This happened because my Emacs configuration was using treesit-grammars.with-all-grammars, which evaluates every available tree-sitter grammar.

Switching to treesit-grammars.with-grammars and explicitly listing only the required grammars resolved the issue.

• emacsPackages.treesit-grammars.with-all-grammars: exclude broken by marienz · Pull Request #472609 · NixOS/nixpkgs

Refactored my NixOS firewall setup. I migrated from the deprecated meter syntax to dynamic sets in nftables.

Completed the integration of Nix files for three running NixOS machines. I still have three more left to convert, but this setup makes the process significantly easier.

Optimizing the integration of my nix files. Upon closer inspection, I found gaps everywhere—some necessary services had actually stopped.

I thought I knew better than to rely entirely on AI, but clearly I didn't. Human verification is essential after all. Glad it didn't turn out to be fatal.

Integration of Nix files is done. No issues on the desktop either. 😤

Set up mirroring between Codeberg and Forgejo (self-hosted). I did rely on ChatGPT, but it gave some pretty weird answers. If I had mechanically copy-pasted them, I might have been stuck. (Well, rollback is easy on NixOS, so it's fine.)

Now, just the laptop and another VPS left.

Currently working on unifying my NixOS configurations (server, desktop, and laptop) to manage them all on Codeberg. It's proving to be quite a challenge.

So far, the server successfully rebooted with the new unified files via nixos-rebuild switch. The real problem is the desktop...