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home-manager/docs/manual/faq/override-package-module.md
Viktor Kronvall 80ac72bf03 docs: render without deprecated optionsDocBook 
The `optionsDocBook` function is deprecated in nixpkgs since
nixos-23.11. This commit updates the manual and manpages to
use commonmark formatted documentation instead of the deprecated
docbook format.
2023-12-07 21:27:38 +09:00

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How do I override the package used by a module?

By default Home Manager will install the package provided by your chosen nixpkgs channel but occasionally you might end up needing to change this package. This can typically be done in two ways.

  1. If the module provides a package option, such as programs.beets.package, then this is the recommended way to perform the override. For example,

    programs.beets.package = pkgs.beets.override { enableCheck = true; };

  2. If no package option is available then you can typically override the relevant package using an overlay.

    For example, if you want to use the programs.skim module but use the skim package from Nixpkgs unstable, then a configuration like

    { pkgs, config, ... }:

let

  pkgsUnstable = import <nixpkgs-unstable> {};

in

{
  programs.skim.enable = true;

  nixpkgs.overlays = [
    (self: super: {
      skim = pkgsUnstable.skim;
    })
  ];

  # …
}

    should work OK.