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Improving the interaction with language ecosystems was one of the motivating reasons for how I approached the [rework][1] of Darwin support in nixpkgs. A lot of Rust stuff was simply impossible to build due to their SDK needs and how hard it was to override the SDK correctly, but that’s fixed now (with a few remaining cases that will be fixed in the final staging cycle before 24.11). I expect other ecosystems to benefit similarly, especially since Darwin support looks more like a native toolchain while still being built and provided by nixpkgs.
For example, Zed and Wezterm (previously failing intermittently on x86_64-darwin) now build on Darwin. Someone even has [Firefox building from source][2]. PyTorch will be able to support MPS, and MoltenVK will be able to use Metal 3 features if your system supports them.
[1]: https://github.com/NixOS/nixpkgs/pull/346043
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Mostly private use, I have 2 servers and a laptop configured with this: https://github.com/matrss/nixfiles. The servers host a bunch of different services from Nextcloud to a DoT-to-ODoH proxy.
I've also introduced some light NixOS usage at work (3 hosts, one is an uptime-kuma instance, two are Forgejo Actions runners). For that I had to get some proprietary scanner software to run on it, which I could by just putting the extracted deb package in an emulated FHS environment.
Even for interfacing with legacy systems and unusual stacks I don't think you will need the escape hatch. Anything that is buildable on and above the abstraction-level of "ensure a file is present at some path with some content" should be doable declaratively, and that includes setting up an unusual software stack and running it in systemd services to communicate with some other legacy system or whatever.
The escape hatch is there to modify how NixOS itself behaves, and modifying that should only be necessary to extend NixOS' core functionality. A quick search revealed that impermanence (https://github.com/nix-community/impermanence) and in some cases sops-nix (https://github.com/Mic92/sops-nix) use it, but those fundamentally extend NixOS with ephemeral root storage support and secrets management, respectively.
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impermanence
Modules to help you handle persistent state on systems with ephemeral root storage [maintainer=@talyz]
Mostly private use, I have 2 servers and a laptop configured with this: https://github.com/matrss/nixfiles. The servers host a bunch of different services from Nextcloud to a DoT-to-ODoH proxy.
I've also introduced some light NixOS usage at work (3 hosts, one is an uptime-kuma instance, two are Forgejo Actions runners). For that I had to get some proprietary scanner software to run on it, which I could by just putting the extracted deb package in an emulated FHS environment.
Even for interfacing with legacy systems and unusual stacks I don't think you will need the escape hatch. Anything that is buildable on and above the abstraction-level of "ensure a file is present at some path with some content" should be doable declaratively, and that includes setting up an unusual software stack and running it in systemd services to communicate with some other legacy system or whatever.
The escape hatch is there to modify how NixOS itself behaves, and modifying that should only be necessary to extend NixOS' core functionality. A quick search revealed that impermanence (https://github.com/nix-community/impermanence) and in some cases sops-nix (https://github.com/Mic92/sops-nix) use it, but those fundamentally extend NixOS with ephemeral root storage support and secrets management, respectively.
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Mostly private use, I have 2 servers and a laptop configured with this: https://github.com/matrss/nixfiles. The servers host a bunch of different services from Nextcloud to a DoT-to-ODoH proxy.
I've also introduced some light NixOS usage at work (3 hosts, one is an uptime-kuma instance, two are Forgejo Actions runners). For that I had to get some proprietary scanner software to run on it, which I could by just putting the extracted deb package in an emulated FHS environment.
Even for interfacing with legacy systems and unusual stacks I don't think you will need the escape hatch. Anything that is buildable on and above the abstraction-level of "ensure a file is present at some path with some content" should be doable declaratively, and that includes setting up an unusual software stack and running it in systemd services to communicate with some other legacy system or whatever.
The escape hatch is there to modify how NixOS itself behaves, and modifying that should only be necessary to extend NixOS' core functionality. A quick search revealed that impermanence (https://github.com/nix-community/impermanence) and in some cases sops-nix (https://github.com/Mic92/sops-nix) use it, but those fundamentally extend NixOS with ephemeral root storage support and secrets management, respectively.
