...ine public binary cache; but some dependencies are not available on such a cache and must be built on the CI machine on every run. It is however possible to
A Nix binary cache can be set up in a local directory (say ''~/nix.store'') which will be pres
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{{Expansion|What is the format of a binary cache? How does it differ from a local/remote Nix store? See [https://github.com/
...result for other machines. Any machine with Nix installed can be a binary cache for another one, no matter the operating system.
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...e --query --requisites}} to query the runtime closure of the build for a ''binary distribution".
...source transitive closure'''; which is unecessary if the goal is to simply cache ''buildInputs''.
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Currently, fetching a new version of a package from a [[Binary Cache]] will fetch all files of the new version, without any deduplication, causi
== Distributed Binary Cache ==
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...der cpus of the same architecture. This is essential because of the binary cache feature of nix: if a package is compiled on hydra by a recent CPU, older sy
...f your cpu. Note that you will not be able to take advantage of the binary cache and thus build everything locally from scratch. The first step is to determ
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...its associated binary cache] won’t contain nearly as many things as <code>cache.nixos.org</code>. So doing so will probably entail rebuilding most of your
To use the binary cache <code>cache.ngi0.nixos.org</code> to speed up your builds, merge the following into you
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* able to cache the build dependencies
== Overlays and binary cache ==
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...-action one action] to setup [https://cachix.org/ cachix], a hosted binary cache.
...ps://garnix.io/ Garnix] is a nix-specific CI provider that also provides a cache. it currently only works with flake-enabled repos.
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...tly] is a global CDN provider that powers [https://cache.nixos.org https://cache.nixos.org], one of our mission-critical services, through their [https://ww
...large upgrades internally, but should mostly be invisible to users. See [[#Cache v2 plans]], and [[#Known issues]].}}
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== Does nix support binary grafting like guix? ==
.../default/share/man</code> for manpages. It can build a cache at <code>/var/cache/man/nixpkgs</code>.
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...cross errors. The idea is to fetch non-essential dependencies from binary cache of regular aarch64 binaries.
# this will use aarch64 binaries from binary cache, so no need to build those
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...cially supported and has binary packages available from the official nixos cache. Therefore it is highly recommended to use the aarch64 version of nix if yo
For some more information on, for example, community maintained binary caches, check also: https://nixos.wiki/wiki/NixOS_on_ARM
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...efore sending the build to A, which will build it instantly since it is in cache.
...ady available there. Here is how to set this up via ssh. See also [[Binary Cache]] for an alternative using http and nix-serve.
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...ill benefit from both verified commits and binary packages from the binary cache.
...e channels (<code>nixos-23.11</code>, <code>nixos-unstable</code>) provide binary builds for the full breadth of Nixpkgs.
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== I've downloaded a binary, but I can't run it, what can I do? ==
...ill benefit both from verified commits and binary packages from the binary cache.
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...g the [https://app.cachix.org/cache/cuda-maintainers#pull cuda-maintainers cache] is recommended! It will save you valuable time and electrons. Getting set
...enable builds with CUDA support with a nixpkgs wide configuration, or use binary packaged CUDA compatible software such as [https://github.com/edolstra/nix-
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...ge has the benefit of being able to use the publicly available Hydra build cache.
...is has the benefit that others can help maintaining the package and that a binary of your package will be available for you to download.
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# Largest cache dirs
".cache"
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|<syntaxhighlight lang="console">$ apt-cache depends emacs</syntaxhighlight>
|<syntaxhighlight lang="console">$ apt-cache rdepends emacs</syntaxhighlight>
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...utable. Unfortunately, almost all unfree and proprietary software comes in binary form - the main reason to include binaries is because no source code is ava
This tutorial will guide you through packaging a binary executable.
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