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Written by binaryphile on 2025-01-24 at 18:41

Say, is there anyone in my network who knows how #NixFlakes work? I'm struggling getting a nix flake with my nodejs development environment for linux and macos to run quickly on mac. It takes about 1.6 seconds to fire up nix develop on linux (already too long) but 6.4 seconds on mac.

[#]Nix #NixOS

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Written by Brian May 🐧 on 2025-01-24 at 20:48

@binaryphile nix is not a fast language. It can be frustrating slow at times. See projects like TVIX https://tvl.fyi/blog/rewriting-nix that claims to get to address this problem (still early stages afaik).

You can use direnv to cache the environment so it doesn't have to be evaluated every time. See https://www.danielcorin.com/til/nix/nix-and-direnv-with-flakes/ for example.

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Toot

Written by binaryphile on 2025-01-24 at 21:38

@penguin_brian Thanks for the link, that was an interesting read. Good to see a similar flake to the one I was using, that means I'm probably not too far off the beaten path.

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