hyprland-wiki/pages/Nix/Cachix.md
2023-02-14 15:37:52 +02:00

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Hyprland is not built by Hydra and cached in `cache.nixos.org`, like the rest
of the Nixpkgs packages.
Instead of requiring you to build Hyprland (and its dependencies, which may
include `mesa`, `ffmpeg`, etc), we provide a Cachix cache that you can add to
your Nix configuration.
The [Hyprland Cachix](https://app.cachix.org/cache/hyprland) exists to cache the
`hyprland` packages and any dependencies not found in `cache.nixos.org`.
{{< hint >}}
In order for Nix to take advantage of the cache, it has to be enabled **before**
enabling the Hyprland module(s) or adding the package.
{{< /hint >}}
{{< hint type=important >}}
Overriding Hyprland's `nixpkgs` input
(`inputs.hyprland.inputs.nixpkgs.follows = "nixpkgs";`) will make the cache
useless, since you're building from a different Nixpkgs commit.
{{< /hint >}}
```nix
# configuration.nix
{
nix.settings = {
substituters = ["https://hyprland.cachix.org"];
trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
};
}
```